Extension Builders in Charlton

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4 (20 reviews)

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Some of our top rated extension builders in Charlton

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Petre Marius
Rating: 5 out of 5
Extension Builder in Charlton
My name is Petre and together with my friends will form a team of four adept workers.My team is very reliable and respectful of client's property. We work hard to make sure that all the work carried out is to the highest standards
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Latest review:
Plastering- 4 Apr 2019
Petre and his colleague arrived promptly and worked very fast and efficiently. They fitted a new plasterboard ceiling and plastered the whole kitchen in one day. They were polite and tidy. Their work is to a very high standard and I will definitely be using them again.
DKM BRICKWORK LIMITED
Rating: 5 out of 5
Extension Builder in Charlton
Here at DKM Brickwork we’re proud of our work and with over 18 years bricklaying experience we always deliver an exceptionally high standard of craftsmanship and customer satisfaction, So Whether its a garden wall, patio or complete new build DKM Brickwork are here for all your brickwork needs. We are a family business and our reputation is your assurance of quality.
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Latest review:
Bricklaying- 25 Feb 2020
Terry did a good job, worked hard on the day and cleared everything up afterwards. I would use him again
S & S Builders
Rating: 5 out of 5
Extension Builder in Charlton
Hi my name is Stephen and I have 30 years building experience specialising in extensions and loft conversions I do 1 job at a time and I am on site every day. I have extensive knowledge of structural engineering I also carry building insurance .and i am a member of the National federation of builders.
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Latest review:
Extensions- 18 Jun 2025
Steve and his team were excellent throughout. Turned up on time every day, very reliable. Excellent attention to detail and great pride in their work. All areas of building work undertaken to a very professional standard. We had new bathroom fitted, new fence and handmade shed, lean-to rebuilt from scratch with new roof, patio doors, new flooring, plastering, outside patio. Very happy with the work. Good value for money. Highly recommended would use again without hesitation.
Bwt construction south east ltd
Rating: 5 out of 5
Extension Builder in Charlton
Small family business that’s does all aspects of work from new builds to kitchen refurbishments. We have a wide range of completed project with great feed back from satisfied customers.
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Latest review:
Extensions- 12 Feb 2022
A saviour? thorough Gentleman , brilliant and professional workmanship, absolute paitanice, very transparent. Family was conned by a cow boy builder. Matthew BWT Construction put it right. It was one of those jobs where everything he touched was a mess. He worked it all out , saved us from living hell. I would recommend Matthew, BWT Construction without any hesitation.
Kauri Construction
Rating: 5 out of 5
Extension Builder in Charlton
Kauri Construction is an East London based Kiwi owned and operated company specialising in loft conversions, extensions and general rebuild refurbishments. We also have experience in landscaping works and joinery. Our company has a good working relationships with many subtrades including roofers, electricians, plumbers and brick layers. We have over 15 years of construction experience with wide ranging projects and values. We are small but very personable contractor happy to build strong relationships and provide clear and detailed information from planning stage and throughout the project. We are happy to quote for any jobs big or small, whether it be a week long project or a full 8 month and beyond refurbishment. As stated above we are based in East London but are willing to travel amongst the greater London area and beyond.
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Latest review:
Carpentry- 6 Apr 2026
The job went fairly well. Wilson is a very good carpenter and knows his way around wood. I have already recommended him to other people.
Avion Homes Limited
Rating: 5 out of 5
Extension Builder in Charlton
Avion Homes Limited specialises in residential new builds, extensions, refurbishments, and bespoke self-build projects across Essex, West Kent, and surrounding areas. With years of experience managing residential developments for major nationwide housebuilders, we deliver high-quality construction with a strong focus on workmanship, organisation, and reliability from start to finish. Our services include: • Residential New Builds • Property Extensions • House Refurbishments • Self-Build Projects • Construction Management As an FMB member and TrustMark registered company, we are committed to delivering professional, compliant, and well-managed construction projects for homeowners, investors, and developers.
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Su Su Construction Limited
Rating: 5 out of 5
Extension Builder in Charlton
Welcome to Susu Construction: Your Premier London Construction Partner Are you searching for a London construction company that stands out for its excellence, commitment, and innovation? Look no further than Susu Construction, your go-to choice for top-notch construction solutions in the bustling capital of London.
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Latest review:
Groundwork & Foundations- 2 Dec 2022
We are very happy and glad to have found Su Su Construction. It is great to work with such an open minded contractor who is very experienced and diligent. To us architects it is really important to be able to explore alternative means of construction in order to create long lasting, beautiful and healthy environments and with SuSu we are on the right track. Highly recommend.
Maclondonbuilding
Rating: 4.9 out of 5
Extension Builder in Charlton
MACLONDONBUILDING specialist in general construction and renovation services. All kind of house conversions . Our works are performed at the highest standard with attention to the details. Professional team always happy and enjoyed of the work.
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Latest review:
Tiling- 16 Jan 2026
Mac was fantastic and went above and beyond to do the job to a high standard, working well into the evening to get it done. I’d recommend him without hesitation for any work you need doing - big or small. We’re delighted with the finished product.
DF Construction
Rating: 5 out of 5
Extension Builder in Charlton
DFGC are commercial and residential refurbishment specialists. We've created partnerships with high profile companies to complete large scale projects, in the South East of England - shown on my profile. We are known for a wide range of undertakings, from complete refurbishments, extensions, bathrooms, driveways, to name a few. There's very little we can't do, with regards to construction. We're a one stop shop for all your construction needs - we can take your vision and make it a reality.
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Latest review:
Extensions- 13 Dec 2021
Couldn't recommend Domi & Emile enough. They have great building knowledge and kept us informed and up to date throughout the whole building process. The job was finished to a high standard and they even came back free of charge to tie up a few snags a few weeks later. Great builders and a great team!
KG BUILD
Rating: 5 out of 5
Extension Builder in Charlton
With your specifications and our expertise, we happily take on any building work and produce excellent results. Extensions, Loft conversions, kitchens, bathrooms, garden rooms/studios/outbuildings, roofing, flooring, carpentry and joinery etc
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Latest review:
Carpentry- 13 Dec 2025
Kwame did a great job and was thoughtful, communicative and very skilled with the work he was carrying out on our joists. I would recommend KG build to anyone looking for a good price and a high standard of work.
H&J Properties 02 Ltd
Rating: 5 out of 5
Extension Builder in Charlton
H&J Properties is your friendly, reliable small team with over 10 years of experience in the building industry. We design, plan, build, and project manage, so you can rely on us for a full round of service. From floor and wall tiling to full kitchen and bathroom installations, we’ve got your home covered. We handle plastering, painting, drylining, insulation, and more with precision and pride. Need a loft, rear or basement extension, a new roof, or concrete work? No problem. Whether it’s bricklaying, basement waterproofing, or installing windows and doors, we bring craftsmanship and care to every job. Big or small, we build it right. Please message us directly for more project images.
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Latest review:
We have contracted H&J Properties for our house refurbishment in London. I was impressed with the team's professionalism and project management from start to finish. We had no plans or planning approved, so we wanted a design and build company who will be able to look after the project from start to finish. They did just that. Working with the architects and the planning application before starting the project planning. As always, there are, of course, unforeseen issues arising with the old houses in london but I could't be happier with the communication received from the team. Thanks for the great job.
LEBELLE HERITAGE & RESTORATION LTD
Rating: 5 out of 5
Extension Builder in Charlton
Lebelle Heritage & Restoration Lebelle Heritage & Restoration is a professional building and construction company specialising in renovations, refurbishments, and heritage restoration. We take on all types of projects, from full property renovations and structural upgrades to detailed interior finishes and the careful restoration of period features. Our team is skilled in both traditional craftsmanship and modern construction methods, allowing us to deliver work that is reliable, high-quality, and built to last. Whether we’re restoring the character of an older property or breathing new life into a modern home, we focus on precision, honesty, and clear communication throughout every stage of the job. We pride ourselves on delivering clean, efficient, and well-executed work that meets the needs of our clients and respects the integrity of each building. At Lebelle Heritage & Restoration, we build, renovate, refurbish, and restore with a commitment to quality and long-term durability.
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Latest review:
After a previous contractor took our money and left our loft extension unfinished, we were devastated and worried about how we would ever get our home back to normal. Then Lewis from Lebelle stepped in and completely turned things around. Lewis was patient, understanding, and incredibly professional. He worked quickly, kept costs under control, and finished the loft extension to a standard we’re so happy with. The stress he took off our shoulders was unbelievable. We honestly can’t thank Lewis enough. If you’re looking for someone trustworthy, skilled, and genuinely caring, Lebelle is the company to call.
B&T LINE LTD
Rating: 4.9 out of 5
Extension Builder in Charlton
B&T LINE LTD is a construction company focusing on property renovation and property refurbishment services to clients in London and surrounding areas. Our workers are skilled and motivated people who act with integrity and are inspired to deliver a customer experience of excellent quality.
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Latest review:
Handyman- 2 Apr 2026
Speedy appointment.Arrived on time. Clean, neat worker, respectful of property. Really professional. Pleased with both jobs completed. Highly recommend.
Roman Levitskyi
Rating: 5 out of 5
Extension Builder in Charlton
I offer a full range of renovation work🏣🚐
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Latest review:
Carpentry- 31 May 2026
Words Can’t describe how I feel about this Man, Roman is an amazing individual who is so selfless and devoted, professional, friendly and faithful to his Words. I tasked him with a milestone and he went 10 milestones. I couldn’t be happier to have him in my house for this job. I highly recommend him. His charges on top of that is more than reasonable. I can go on and on, that’s because I’m trilled with the exceptional job he’s done for me Thank you again Roman.
Z&V PROPERTIES LIMITED
Rating: 5 out of 5
Extension Builder in Charlton
I have been working in this industry for 30 years. I have moved to London just about 8years ago. I`v been working as carpenter, builder site and rebuild house is out side and inside as well. Because my English language is not the best i have my little helper my son. Also he is working with me as well. He can take part in the same jobs as me .
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Latest review:
Carpentry- 2 Apr 2025
Zoltan did a great job of fitting my fire doors.
Pavdeja brother construction ltd
Rating: 5 out of 5
Extension Builder in Charlton
We are a team of experienced, enthusiastic and reliable workers with project managers who work with you from start to finish. Our extensive team holds many years of experience in the construction, development and refurbishment field and aim to provide the best results for your property at competitive prices! We offer the following services: Full refurbishment Interior and exterior Bathroom fitting Kitchens Plastering Painting and decorating Extensions Loft conversion Plumbing
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Latest review:
Plastering- 3 Jun 2025
Edar and his team were excellent from start to finish. Very professional and I’d definitely hire them again and recommend their service to others. Thanks Edar and the team.

Top rated Extension Builders

Our Extension Builders in Charlton, are rated 4 out of 5 based on 20 reviews from customers like you.

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What types of services are offered by local extension builders in Charlton?

Building an extension is a major milestone for any home. It’s not just about adding extra space, it’s a big step that can transform how you live day to day, opening up new possibilities for comfort, lifestyle, and family needs.

This is why it’s so important to find the right extension builders in Charlton for you. They can help with a variety of tasks and projects, including:

Extending your home with an extra room
Two+ storey extensions
Adding partition walls to create more rooms
Building annexes or external structures

To find the right extension builder near you, simply post your job on MyBuilder. Explain the type of help you’re looking for, and then home extension builders in Charlton who are available and interested can respond to your post.

Browse profiles, read customer reviews and get quotes from your chosen Charlton extension builders, all before you decide who to hire.

What are the hourly rates of extension builders in Charlton?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in Charlton will charge between £16 and £42 per hour.

Single-storey rear extensions cost between £20,000 and £60,000 depending on size and finish.
The cost of double-storey extensions, which add more space and value, can range from £100,000 to over £170,000.
Larger wrap-around extensions that combine multiple extension types can range from £40,000 to over £120,000.

The cost of an extension will vary depending on your property. For instance, extending in certain areas may require structural adjustments to ensure stability, which can increase your material and labour costs.

To get an accurate price for your home extension, request detailed quotes from several Charlton extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your Charlton home extension project is likely to cost.

Find extension builders in Charlton with MyBuilder

Hiring the right extension builder in Charlton with MyBuilder couldn’t be easier. Just follow these simple steps:

Step 1: Post your extension project on MyBuilder

Whether you’re planning a single-storey extension, a loft conversion, or adding a new room, post your job on MyBuilder to find local Charlton extension builders. Once your job is live, we’ll share it with home extension builders in Charlton who can express their interest.

Step 2: Compare different extension builders in Charlton

When you start receiving interest, review profiles of local Charlton extension builders, check their previous work, and read real customer reviews. Ask about timelines, materials, and request detailed quotes.

Step 3: Hire Charlton extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in Charlton, compare their experience, guarantees, and costs before choosing who to hire.

You’ll also have confidence knowing that every tradesperson on MyBuilder is verified through several checks, including:

ID verification: When a tradesperson joins MyBuilder, we ask for a valid ID, such as a passport, ID card, or eIDAS certificate.
Company verification: For tradespeople operating under a company, we make sure every tradesperson has a registered business.

Did you know? Our continuous monitoring and complaints process ensures that tradespeople who don’t meet our standards are promptly removed from MyBuilder’s platform.

Charlton extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a Charlton extension builder before hiring?

Before hiring an extension builder in Charlton or extension building company in Charlton, ask a few key questions to make sure you’re choosing the right professional for your home extension project.

What qualifications and experience do you have as an extension builder in Charlton?

An extension builder in Charlton should have a strong track record with similar projects and relevant building qualifications or trade memberships, such as the Federation of Master Builders (FMB) or TrustMark.

Will my home extension meet all building regulations and planning requirements?

Your Charlton extension builder should ensure the project complies with Building Regulations and, where necessary, handle or assist with planning permissions. Ask how they manage building control inspections and what documentation you’ll receive once the project is complete.

What experience do you have with similar extensions in Charlton?

Ask to see examples of their previous work, or view examples of their work on MyBuilder. Ideally projects similar to yours in scale and design. This helps you assess the Charlton extension builder’s ability to deliver a result that meets your expectations.

How long will the extension take to complete?

Extension project timelines can vary depending on size, complexity, and weather. A typical single-storey extension might take around 8 - 12 weeks. Request a detailed schedule so you know what to expect and when key milestones will be reached.

Do you offer a guarantee for your work? Most Charlton extension builders offer a guarantee or warranty on their work, often between 1 and 10 years depending on the project and materials used. This gives you assurance that any issues will be resolved after completion.

If you still have questions about the professional you are looking to hire, we have a full detailed guide on hiring the right builder here.

FAQ: Common questions about home extensions in Charlton

Can an extension builder in Charlton help with planning permission?

Yes, many extension builders in Charlton can guide you through the planning process. They can help prepare drawings, advise on local requirements, and liaise with your local council to ensure your project meets all necessary regulations.

Can an extension builder in Charlton handle everything from design to construction?

Many Charlton extension builders offer full design-and-build services, managing both the architectural planning and construction stages. Ask your builder whether they can provide a complete package or if you’ll need to hire an architect or designer separately.

Will an extension builder in Charlton help with materials and finishes?

Yes, most extension builders in Charlton can source materials and offer advice on finishes that suit your design and budget. You can also choose to supply certain materials yourself, just make sure this is agreed upon before work starts.