You may be wondering how much it costs to get a balcony extension because you’re tired of your balcony not having enough space for setting up more furniture items and hanging out with your friends and family while unwinding after a long day.
Many people are curious about how feasible it is to get their balconies extended, which is a simple process that requires you to approach professional construction workers who have expertise in extending balconies.
Most balconies are long and narrow, which sometimes depends on your apartment building, but it can also be the case if you have a balcony on landed property.
If you consider the quantity of materials used and the labor cost involved in extending a balcony, the value comes out to be between 20 USD and 90 USD per square foot, depending on the type of materials you use and the quality of service you opt for.
On average, many people looking to extend their balconies pay around 35 USD per sq. foot, which is not very expensive considering how much extra space you’ll have that can accommodate more furniture items to create a cozy atmosphere where you can hang out with just about anyone.
Let’s explore the costs relating to a balcony extension in more detail.
If you’re looking to add more space to your home, a balcony extension can be a great option. Not only does it provide extra living space, but it can also add value to your property. However, before you start planning your balcony extension, it’s important to understand the costs involved.
Balcony extensions can vary widely in price depending on a number of factors, including the size and design of the balcony, the materials used, and the labor costs. In general, you can expect to pay anywhere from $20 to $90 per square foot, with most people paying around $35 per square foot.
For a small balcony that’s big enough to accommodate a few chairs and a coffee table (4 feet by 10 feet), you can expect to pay anywhere from $600 to $2,400. However, for a larger balcony with more elaborate features, the cost can easily exceed $10,000 or more.
Key Takeaways
- Balcony extensions can add extra living space and value to your property.
- Costs can vary widely depending on factors such as size, design, materials, and labor costs.
- Small balconies can cost as little as $600, while larger, more elaborate balconies can cost $10,000 or more.
Understanding Balcony Extensions
When it comes to extending your balcony, there are a few things you should keep in mind. A balcony extension is a great way to add space and value to your home.
It can also be a fun project for those who enjoy DIY. However, it’s important to understand the design, materials, and cost involved in a balcony extension.
First, consider the type of balcony you have. A cantilevered balcony is a popular option for those who want to extend their balcony.
This type of balcony extends from the wall of the building and is supported by beams or columns. A cantilevered balcony is often used for second-story balconies and requires careful planning and design.
Next, think about the design of your balcony extension. There are many balcony extension ideas to choose from, including adding a railing, covering your balcony, or extending the size of your balcony.
It’s important to choose a design that complements your home’s architecture and fits your personal style.
When it comes to materials, there are several options to choose from. Cement is a popular choice for balcony extensions as it is structurally sound and can be painted to match your home.
Wood is another option, but it requires sealing to protect against the elements. Other materials to consider include metal, glass, and composite decking.
Finally, the cost of a balcony extension can vary depending on the size and complexity of the project.
According to HomeAdvisor, the cost to build a balcony can range from $20 to $90 per square foot, including materials and labor costs.
The basic cost of an extension is $1,400 to $1,800 per square meter. Keep in mind that the cost can increase if you choose high-end materials or hire a professional to complete the project.
In summary, a balcony extension can be a great way to add space and value to your home.
Consider the type of balcony you have, the design of your extension, the materials used, and the cost involved when planning your project.
With careful planning and design, you can create a beautiful and functional balcony extension that complements your home’s architecture and fits your personal style.
Size and Design Considerations
When considering a balcony extension, size and design are two important factors to keep in mind. The size of the balcony will depend on the available space and the intended use.
A small balcony can provide extra outdoor space for a few chairs and a coffee table, while a larger balcony can be used for dining, entertaining, or even gardening.
When it comes to flooring, there are several options available, including wood, concrete, and composite materials.
Wood is a popular choice for its natural look and feel, but it requires regular maintenance.
Concrete is durable and low-maintenance, but it can be cold and hard underfoot. Composite materials offer the best of both worlds, with the look of wood and the durability of concrete.
The walls, frames, panels, doors, and windows of the balcony should be designed to match the existing building design and style.
This will ensure that the balcony looks like a natural extension of the building rather than an afterthought.
The materials used for the walls and frame should be weather-resistant and durable to withstand the elements.
When it comes to privacy, privacy screens can be used to protect the privacy of both the balcony occupants and their neighbors.
These screens can be made from a variety of materials, including wood, metal, and fabric. They can be designed to match the style of the balcony and can be customized to fit the available space.
Finally, the size of the balcony should be determined based on the available floor space.
A balcony that is too small will be cramped and uncomfortable, while a balcony that is too large can be overwhelming and difficult to maintain.
It is important to strike a balance between size and functionality to create a balcony that is both beautiful and practical.
Planning and Permits
When it comes to balcony extensions, planning, and permits are an essential part of the process.
We need to ensure that we are following the proper regulations and obtaining the necessary permits before we start building.
First, we need to plan the extension carefully. This may involve consulting with an architect or structural engineer to ensure that the extension is safe and structurally sound.
They can also help us determine the best materials to use and the most efficient way to build the extension.
Once we have a plan in place, we need to obtain the necessary permits. This may include building permits, which are required for any new construction or modifications to existing structures.
The cost of building permits can vary depending on the size and scope of the project, but they typically range from $50 to $2,000 HomeGuide.
It’s important to note that building permits are not the only permits required for balcony extensions.
Depending on the location and the specifics of the project, we may also need to obtain permits for electrical work, plumbing, and other aspects of the construction process.
Obtaining permits can be a time-consuming process, but it’s essential to ensure that we are following the proper regulations and building a safe and structurally sound balcony extension.
We should allow plenty of time for the permit application process and be prepared to provide detailed plans and specifications for the project.
In summary, planning and permits are critical components of any balcony extension project.
We need to ensure that we are following the proper regulations, obtaining the necessary permits, and working with professionals to create a safe and structurally sound extension.
Installation and Labor Costs
When it comes to installing a balcony extension, labor costs are a significant factor to consider.
The cost of labor for installing a balcony can range from $10 to $45 per square foot, depending on the complexity of the job and the professional you choose.
If you need the services of a structural engineer or a more complex balcony construction, you can expect to pay more for labor.
The installation process of a balcony extension usually involves a few steps. First, the existing structure needs to be evaluated to ensure that it can support the weight of the balcony.
Then, the balcony frame is constructed, followed by the installation of the balcony deck and railing.
The installation process can take anywhere from a few days to a few weeks, depending on the size and complexity of the balcony.
It’s important to note that the cost of labor can vary depending on your location. Labor costs tend to be higher in urban areas where the cost of living is higher.
Additionally, the cost of labor can also be affected by the time of year.
For example, if you choose to install a balcony extension during the busy summer months, you may end up paying more for labor.
When it comes to working with a professional for your balcony extension installation, it’s important to choose someone who is experienced and knowledgeable in this type of work.
A professional can help you navigate the installation process and ensure that your balcony is constructed safely and efficiently.
Overall, labor costs are a significant factor to consider when installing a balcony extension.
By working with a professional and understanding the installation process, you can ensure that your balcony is constructed safely and efficiently while staying within your budget.
Safety and Maintenance Considerations
When it comes to balcony extensions, safety and maintenance should always be a top priority. Here are some important considerations to keep in mind:
Safety
- Balcony size: Larger balconies may require additional support to ensure they are structurally sound and safe for use.
- Weight capacity: The balcony and its supports must be able to safely support the weight of people and any furniture or equipment that may be placed on it.
- Railings: Proper railings are essential for safety. They should be sturdy, at least 42 inches high, and have no more than 4 inches of space between each baluster.
- Building codes: It is important to ensure that your balcony extension meets all local building codes and regulations. Failure to do so could result in fines or even legal action.
Maintenance
- Rust: If your balcony is made of metal, rust can be a serious problem. Regular inspections and maintenance can help prevent rust from causing structural damage.
- Cleaning: Regular cleaning is important to prevent dirt and debris from accumulating on the balcony surface, which can cause damage over time.
- Sealing: If your balcony is made of wood, it is important to seal it regularly to protect it from moisture and other environmental factors that can cause it to deteriorate.
By keeping safety and maintenance considerations in mind, you can ensure that your balcony extension is not only beautiful but also safe and long-lasting.
Adding Value to Your Property
Adding a balcony extension to your property can not only enhance your living space but also add value to your property. With a balcony, you can enjoy the outdoors while still being in the comfort of your home.
A well-designed balcony not only adds aesthetic appeal to your property but also provides a functional space for relaxation, entertainment, and even dining.
It can serve as an extension of your living room, kitchen, or master suite, adding more space and functionality to your home.
A balcony can also increase the value of your property, especially if it is well-designed and located in a desirable location.
According to a study by the National Association of Realtors, outdoor living spaces, including balconies, are among the top features that home buyers look for when searching for a new home.
In addition, a balcony can provide a great return on investment. The cost of adding a balcony varies depending on factors such as the size, materials, and location.
However, on average, a balcony addition can cost between $20 to $90 per square foot, including materials and labor costs.
When designing your balcony, consider factors such as the location, railing design, and seating options.
A balcony located in a desirable location, such as overlooking a scenic view, can increase the value of your property even more.
A well-designed railing not only adds safety but also adds aesthetic appeal to your balcony.
In summary, adding a balcony extension to your property can provide many benefits, including enhancing your living space, increasing the value of your property, and providing a great return on investment.
When designing your balcony, consider factors such as location, railing design, and seating options to create a functional and aesthetically pleasing space.
Weather Considerations
When planning a balcony extension, it is important to consider the weather conditions in your area.
We need to take into account the wind, rain, temperature, insulation, and HVAC system to ensure that the balcony is comfortable and safe to use throughout the year.
Wind
Strong winds can make a balcony uncomfortable and even dangerous to use. We need to consider the direction and strength of the wind to determine the appropriate design and materials for the balcony.
We may need to install windbreaks or use materials that are more resistant to wind damage.
Rain
Rain can damage the balcony and make it slippery and unsafe to use. Proper drainage is essential to prevent water from pooling on the balcony surface.
We may also need to use materials that are resistant to water damage and apply a protective coating to the balcony surface.
Temperature
The temperature can have a significant impact on the comfort of the balcony. We need to consider the climate in our area and choose materials that are appropriate for the temperature range.
We may also need to install heating or cooling systems to ensure that the balcony is comfortable to use throughout the year.
Insulation
Proper insulation is essential to prevent heat loss and reduce energy costs. We need to ensure that the balcony is properly insulated to prevent drafts and maintain a comfortable temperature inside the building.
HVAC System
The HVAC system plays a crucial role in maintaining a comfortable temperature in the building.
We need to ensure that the balcony extension does not interfere with the operation of the HVAC system and that it is properly integrated into the system to ensure optimal performance.
Overall, weather considerations are an important factor to keep in mind when planning a balcony extension.
We need to consider the wind, rain, temperature, insulation, and HVAC system to ensure that the balcony is comfortable and safe to use throughout the year.
Privacy and Neighbor Considerations
When planning a balcony extension, it is important to consider the privacy of both yourself and your neighbors.
Depending on the design and location of your balcony, it may be possible for neighbors to see into your space, or for you to see into theirs. This can lead to uncomfortable situations and potential conflicts.
To address these concerns, there are several options available. One option is to install privacy screens or enclosures.
These can be made from a variety of materials, such as wood, metal, or fabric, and can be designed to fit your specific balcony dimensions.
Privacy screens can help block the view of neighbors, while still allowing you to enjoy the outdoors.
Another option is to work with an experienced balcony extension architect.
They can help you design a balcony that takes into account privacy concerns and meets all necessary building codes and regulations.
With their help, the process of getting the necessary approvals and completing the work can be quite painless.
It is also important to consider the impact your balcony extension may have on your neighbors.
If your balcony will overlook their property, it is important to be respectful of their privacy.
Consider using privacy screens or other measures to protect their privacy and be mindful of noise levels when using your balcony.
Overall, it is important to be considerate of your neighbors when planning a balcony extension.
By taking steps to address privacy concerns and minimize disruptions, you can ensure that everyone can enjoy their outdoor spaces in peace.
Architectural Styles
When it comes to balcony extensions, there are a variety of architectural styles that can be incorporated into the design.
The style of the extension should complement the existing architecture of the home. Here are some popular architectural styles that can be used for balcony extensions:
Art Deco
Art Deco is a style that originated in the 1920s and 1930s. It is characterized by bold geometric shapes, bright colors, and streamlined designs.
Art Deco balcony extensions can feature curved lines and intricate patterns.
Craftsman
Craftsman style is known for its use of natural materials, such as wood and stone. Craftsman balcony extensions can feature exposed wood beams and stone accents.
The design is typically simple and elegant, with clean lines and minimal ornamentation.
Contemporary
Contemporary style is characterized by its use of clean lines and minimal ornamentation.
Contemporary balcony extensions can feature sleek, modern designs with large windows and open spaces. The use of glass and steel is common in contemporary designs.
Mid-Century Modern
Mid-Century Modern is a style that originated in the 1950s and 1960s. It is characterized by its use of clean lines, simple shapes, and natural materials.
Mid-Century Modern balcony extensions can feature large windows, exposed wood beams, and stone accents.
French Provincial
French Provincial style is known for its use of ornate details and elegant designs.
French Provincial balcony extensions can feature intricate patterns, wrought iron railings, and decorative stone accents. The design is typically grand and luxurious, with a focus on symmetry and balance.
When choosing an architectural style for a balcony extension, it is important to consider the existing architecture of the home and the surrounding landscape.
A well-designed balcony extension can enhance the overall aesthetic of the home and increase its value.
Additional Features
When planning a balcony extension, there are additional features you may want to consider.
These features can enhance the functionality and aesthetics of your balcony, but they will also add to the overall cost of the project.
Here are some of the most common additional features you may want to consider:
Lighting
Adding lighting to your balcony can create a warm and inviting atmosphere, as well as provide additional safety and security.
There are many different types of lighting you can choose from, including string lights, lanterns, and spotlights.
The cost of lighting will depend on the type of lighting you choose and the complexity of the installation.
Roof
If you want to use your balcony in all weather conditions, you may want to consider adding a roof. A roof will protect you from the rain and sun and allow you to use your balcony year-round.
The cost of a roof will depend on the size and complexity of the installation.
Foundation
If your balcony is going to be large or has a lot of weight, you may need to reinforce the foundation of your home.
This can be a costly addition, but it will ensure that your balcony is safe and secure.
Higher-End Materials
If you want to create a luxurious and high-end look for your balcony, you may want to consider using higher-end materials.
This can include materials like hardwood, stone, or metal. These materials will add to the overall cost of the project, but they will also create a stunning and unique look for your balcony.
Firepit
If you want to use your balcony as an outdoor entertaining space, you may want to consider adding a firepit.
A fire pit can create a cozy and inviting atmosphere, as well as provide warmth on cool evenings. The cost of a firepit will depend on the size and complexity of the installation.
Outdoors
Finally, you may want to consider adding outdoor furniture and decor to your balcony. This can include items like chairs, tables, plants, and rugs.
The cost of outdoor furniture and decor will depend on the type and quality of the items you choose.
Overall, adding additional features to your balcony can enhance its functionality and aesthetics, but it will also add to the overall cost of the project.
We recommend carefully considering your budget and needs before adding any additional features to your balcony extension project.
Room Extensions
When it comes to extending your home, adding a room extension is a popular choice.
Room extensions can be added to various parts of your home, such as the living room, bedroom, kitchen, and family room.
The cost of a room extension depends on several factors, including the size of the room, the materials used, and the complexity of the design.
For example, a living room extension can cost anywhere from $5,000 to $70,000, depending on the size of the room and the materials used.
A bedroom extension can cost between $10,000 and $80,000, while a kitchen extension can cost between $15,000 and $100,000.
If you’re looking to add a master bedroom, expect to pay between $20,000 and $100,000. A family room extension can cost between $20,000 and $80,000, while a breakfast nook extension can cost between $5,000 and $30,000.
When it comes to adding a master bathroom, the cost can vary greatly depending on the materials used and the size of the room. On average, a master bathroom extension can cost between $15,000 and $80,000.
If you’re looking for a larger addition, a two-story addition can cost between $100,000 and $300,000. A dormer addition can cost between $20,000 and $50,000, while a garage addition can cost between $15,000 and $30,000.
For those with a green thumb, a greenhouse extension can cost between $10,000 and $50,000. And if you’re looking to add an in-law suite, expect to pay between $50,000 and $100,000.
Overall, the cost of a room extension depends on several factors, including the size of the room, the materials used, and the complexity of the design.
It’s important to work with a professional contractor to ensure the project is done correctly and within your budget.
Tips for Hiring Professionals
When it comes to extending your balcony, hiring a professional is essential to ensure that the job is done right. Here are some tips to help you find the right professional for your balcony extension project:
Do Your Research
Before hiring a professional, do your research. Look for professionals in your area who specialize in balcony extensions. Check their websites, online reviews, and ratings to get an idea of their work quality and customer satisfaction.
Get Referrals
Ask your friends, family, and neighbors if they know of any professionals who have done balcony extensions in the past. Referrals can be a great way to find reliable and trustworthy professionals.
Check Credentials
Make sure the professional you are considering is licensed, insured, and has the necessary certifications to do the job. Check with your local licensing board to verify their credentials.
Get Multiple Quotes
Get quotes from at least three different professionals to compare prices and services. Make sure the quotes are detailed and include all the necessary costs.
Ask for References
Ask the professional for references from their past clients. Contact those references and ask about their experience working with the professional.
Communication is Key
Make sure the professional you hire communicates clearly and regularly throughout the project. They should be able to answer your questions and keep you updated on the progress of the project.
Trust Your Instincts
Finally, trust your instincts when hiring a professional. If something doesn’t feel right, it’s better to look for someone else.
The right professional will make you feel confident and comfortable throughout the entire process.
By following these tips, you’ll be able to find a reliable and trustworthy professional for your balcony extension project.
How Much Does It Cost to Extend Your Balcony?
Most people opt for a standard balcony extension size of 4×10 feet, which can give you a range of prices depending on the quality of work you decide to get done.

The lowest range for a 4×10 balcony extension can cost 600 USD, and if you’re looking for high-quality work to be done, it can go up to 2400 USD, which isn’t too bad, all things considered.
Half of the price for the balcony extension comes from the price of the materials used for construction, such as planks, concrete, beams, railings, and more.
For these materials, the price ranges from 10 USD to 45 USD per sq. foot, allowing you to choose the cheaper option or go all in and extend your balcony using the highest quality materials.
Many people forget that spending more money initially on quality materials saves much more in the long run due to the extra durability that allows the materials to last in harsh weather conditions without getting damaged or experiencing wear and tear.
High-quality construction materials also require minimum maintenance, which is something to consider since you likely want to get the job done properly without having to call back the construction workers later for any structural complications that may arise.
If you plan to sell your home at some point in the future, it is worth remembering that its resale value is affected by a superior and spacious balcony, which is why it’s in your favor to get the best work done you can afford.
The labor price for a balcony can vary depending on the expertise of the construction workers you hire, who can charge anywhere between 10 USD and 45 USD per sq. foot, depending on the job complexity and reputation of the construction agency.
Your labor costs will automatically go up if you need to hire a structural engineer who is more qualified than a laborer and has the expertise to provide excellent feedback and get your balcony to look like a work of art.
Obviously, the size of the balcony affects the cost, which is why the price primarily depends on how large you want your balcony to be.
The smallest balcony extension you can opt for is 4×10 feet, and the largest extension is 10×24 feet, which can cost anywhere between 3600 USD and 14,400 USD.
Types of Balconies and Materials to Use
There are so many types of decking materials you can opt for when constructing a balcony, such as wooden, composite, and PVC, whose prices vary, making it important for you to consider factors like average balcony lifespan and repair and maintenance costs.
This is why it’s not always the smart decision to choose the cheapest option since it can come and bite you in the back later on.
Wooden balconies can cost anywhere between 30 USD and 60 USD per sq. foot, which is the price you’ll pay for standard, generic wood and not hardwood, which is more expensive.
This price is divided between material cost and labor cost, making it inclusive.
Composite balconies are fairly popular and cost more than wooden balconies because they are more durable, have a longer lifespan, and do not require much maintenance in the long run.
For these reasons, people are willing to spend more so they can get the job done properly once and not have to think about extra expenses popping up eventually.
Composite balconies can cost anywhere between 45 USD and 80 USD per sq. foot, which is not too absurd but still more costly than using wood.
PVC balconies are another favorite that many people opt for because they last the longest out of all the decking materials and require the least amount of maintenance while maintaining their pristine condition for many years to come.
They cost anywhere between 40 USD and 95 USD, which isn’t much different from PVC balconies and still relatively affordable, allowing you to choose the material you like to create the balcony of your choice.
It might not always depend on the pricing and quality of materials since many people like having wooden balconies, which may spur them to try and find hardwoods that are difficult to obtain and much more expensive.
Balconies have an aesthetic appeal that can enhance your home’s value and look, and many people are in the market to find excellent woods that can improve their balcony design greatly.
You can opt for several balcony types, such as the famous Juliet balcony, which is a classic design that appeals to many architectural fanatics.
Other balconies include the cantilever and stacked balconies, which are also fairly popular and have unique characteristics that make them desirable to different people.
Juliet balconies are much cheaper than their counterparts because they are not real balconies, which basically means that they’re railings that add extra support to the structure.
Although there are fancier models that you can buy, the fact still stands that you can get better options.
Cantilever balconies are pretty common constructions that are fairly priced, allowing you to have a balcony in your home without any support structures like braces but a 2-feet depth limit.
These construction designs have support beams inside your home, which add a safety feature that keeps your balcony durable and floating in midair.
Stacked balconies are affordable to many people and are very safe due to the various types of pillars that offer much structural support to keep your balcony stable.
This option appeals to those whose property walls aren’t strong enough for other balcony types, such as bolt-on or cantilever balconies.
All balconies are fairly safe, or else they wouldn’t be constructed in the first place, but the pillars that come with a stacked balcony can be used to enhance your home’s aesthetic appeal greatly, depending on where you choose to place the pillars.
For these reasons, you may want to make several drawings of what you have in mind and approach an architect so that they may offer some insights that can beautify your home in a different way.
Should You Hire a Professional?
Unless you’re very experienced in construction jobs, you will want to hire a professional to get the job done properly because this task is not something that can be learned from a YouTube tutorial, especially since safety is always the number one priority.
You may want to reach out to a professional contractor and even approach many before choosing one that you like and trust since it is in your best interests to get several quotes instead of settling for the first one you find.
Although this process can be a little time intensive, if you are adding a balcony extension to your home, you want to ensure that you hire the right people for the job and do not get scammed by companies or contractors that have fake licenses and do not know how to get permits from relevant authorities.
Engineers can also be hired to provide structural insights relating to the building load, wall strength, and any additional support structures that need to be incorporated to maximize safety.
Final Verdict
A balcony extension can be cheap or pricey, depending on who you hire and what materials you choose to get the job done.
If your balcony needs to be extended by 4×10 feet, you won’t have to pay more than 2400 USD, which is fairly affordable to most people who choose to save up for their home construction projects.
It is in your best interests to do the research thoroughly and find a suitable contractor who is very experienced and has had multiple clients for all sorts of jobs, especially balcony constructions.
Contractors can also provide insights relating to the permits you might need and who to approach for what reason, which will undoubtedly make the project much easier for you to overlook.
Frequently Asked Questions
What is the average cost of adding a balcony to a second-floor bedroom?
The average cost of adding a balcony to a second-floor bedroom is around $20 to $90 per square foot, including materials and labor costs.
However, the final cost will depend on various factors such as the size of the balcony, the materials used, and the complexity of the design.
How much does it cost to add a balcony to an existing house?
The cost of adding a balcony to an existing house can vary significantly depending on the size, materials, and complexity of the design.
On average, you can expect to pay around $20 to $90 per square foot, including materials and labor costs.
What is the cost of a bolt-on balcony?
A bolt-on balcony is a prefabricated balcony that can be attached to the exterior of a building.
The cost of a bolt-on balcony can vary depending on the size, materials, and design. On average, you can expect to pay around $2,000 to $10,000 for a bolt-on balcony.
How much does it cost to build a balcony?
The cost of building a balcony can vary depending on various factors such as the size, materials, and complexity of the design.
On average, you can expect to pay around $20 to $90 per square foot, including materials and labor costs.
Does adding a balcony add value to a home?
Yes, adding a balcony can add value to a home. A well-designed and functional balcony can increase the curb appeal and overall value of a property.
However, the value added will depend on various factors such as the quality of the balcony, the location of the property, and the demand for outdoor living spaces in the area.
What is the value added to a flat by adding a balcony?
The value added to a flat by adding a balcony can vary depending on various factors such as the size, materials, and design of the balcony, as well as the location of the property.
On average, adding a balcony can increase the value of a flat by around 5% to 10%.
However, it is important to note that this value can vary significantly depending on the local property market and demand for outdoor living spaces.
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