Extension Builders in South London

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 3.9 (18 reviews)

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Some of our top rated extension builders in South London

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Raf Building Services
No reviews yet
Extension Builder in South London
Fully qualified carpenter, NVQ3 , insured and happy to help.. No job to small or to big - from flat pack furniture to complete loft covertion.
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BrownBricks Construction
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Extension Builder in South London
"Welcome to Brown Bricks Constructions, your local builders with a witty touch! From painting and decorating to handyman work and everything needed within the house, we've got you covered. With our skilled craftsmen and friendly approach, we turn your house into a home. No task is too big or small for us – whether it's fixing a leaky faucet or transforming your space with a fresh coat of paint, we handle it all with precision and flair. Trust Brown Bricks Constructions for quality workmanship, attention to detail, and a touch of local charm. Let's build something wonderful together!"
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First Class Builds Limited
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Extension Builder in South London
With over 30 years of experience in the construction industry, First Class Builds has become a trusted name in the field of construction. Our team of experts has the knowledge, skills, and expertise to handle any project, big or small. We have completed numerous projects ranging from residential homes to commercial buildings, and our clients can attest to our commitment to quality and excellence. At First Class Builds, we offer a wide range of services to meet the diverse needs of our clients. Our services include design-build, general contracting, construction management, and more. We work closely with our clients to understand their unique needs and deliver solutions that exceed their expectations. We are committed to delivering projects that are on time, within budget, and of the highest quality. We offer a wide range of construction service ranging from large-scale renovations to smaller-scale projects. Our services include: Home extensions Loft conversions Internal layout reconfiguration Kitchen and bathroom fitting Wood flooring Bespoke wardrobes Landscaping Painting and decorating Patios and driveways Civil Engineering and groundwork
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Swiftbuid Solutions Ltd
No reviews yet
Extension Builder in South London
An experienced and dedicated builder with over 10 years of hands-on experience in residential, commercial, and industrial construction projects. Proficient in a wide range of building techniques, including loft conversion, house extension, house renovation etc, with a focus on quality, safety, and client satisfaction
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J&H BUILDERS LTD
No reviews yet
Extension Builder in South London
Construction of Domestic buildings Internal and external house works Heating & plumbing Extensions Loft conversion Bathroom Kitchen
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CR LINE LIMITED
No reviews yet
Extension Builder in South London
We do all kind of renovations from flooring till top roof.
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Arcus Construction Ltd
No reviews yet
Extension Builder in South London
Arcus Construction was formed with the view to deliver the highest quality standards alongside exceptional customer service, making the construction process simple, seamless, well managed and entirely positive for our clients. As refurbishment & construction specialists, our multi-skilled team covers all trades, enabling us to provide a complete in-house, end-to-end service, which is managed & completed to our own impeccably high standards
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MSS CREATIVE
No reviews yet
Extension Builder in South London
I would be happy to work for the people who chose me. I am based on the plan to offer the client in the shortest time something created by us qualitatively.
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PSP Building services Ltd
No reviews yet
Extension Builder in South London
Tradesmen with over 25 years experience Carrying out all works for all trades Fully insured Any works covered small to Large works From Social housing to residential extensions
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J&G uk construction ltd
No reviews yet
Extension Builder in South London
Experience of over 15years drylining.Ceiling grid. SAS ceiling. all sort of drylining needs Qualifications CSCS cards NVQ level 6. SMSTS. First aid and a few other qualifications. Good team.
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NKA BUILDERS LTD
No reviews yet
Extension Builder in South London
We are a company with experience and providing services with best quality and also providing warranty to the work that we build and we have liability insurance covering millions. Our services Paint and decorating Drylining Studs work plaster boarding Insulating Bathroom renovation 3d ceiling plus any other ceiling Flooring and flooring heating Tailing And much more Happy to help to anyone who is interested in our services
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Daljeet Singh
No reviews yet
Extension Builder in South London
We specialize in high-quality bathroom fitting, plumbing, electrical and new home build workmanship. We also do expert fencing and electrical work, ensuring every project is completed to the highest standard.
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Bpm Contractors Ltd
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Extension Builder in South London
BPM contractors are a reputable company, known for our cost-effective prices. Our company offers both competitive pricing and flexibility to the needs of our customers. Some of our services include:General Maintenance,Refurbishment,PlumbingElectrical,Painting,Decorating,Carpentry,Flooring,Windows.
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elite surveying and consultancy ltd
No reviews yet
Extension Builder in South London
Having nearly 20 years experience in the masonry and construction sector my knowledge come directly from hands on experience, having built and managed projects from small extension right through to 400 unit high rise developments, my main experience is in high end one off bespoke houses so you can be assured I have the knowledge and expertise to undertake any type of project you require.
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Manmeet construction and design
No reviews yet
Extension Builder in South London
“Resourceful builder with 5 years of experience in roofing, tiling, bathrooms, kitchens, floor fitting, painting, and garden constructions. Skilled in multi‑trade tasks from renovation to decoration. Known for precision, reliability, and delivering high‑quality workmanship under tight schedules.”
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Ps construction company
No reviews yet
Extension Builder in South London
We are good in our work
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3.9

Top rated Extension Builders

Our Extension Builders in South London, are rated 3.9 out of 5 based on 18 reviews from customers like you.

Quality screening

Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

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

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 South London 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 South London who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in South London?

Before getting started with your extension project, it’s important to have a clear budget in place. On average, extension builders in South London 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 South London extension builders near you on MyBuilder. This allows you to compare what each quote covers and how much your South London home extension project is likely to cost.

Find extension builders in South London with MyBuilder

Hiring the right extension builder in South London 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 South London extension builders. Once your job is live, we’ll share it with home extension builders in South London who can express their interest.

Step 2: Compare different extension builders in South London

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

Step 3: Hire South London extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in South London, 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.

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

What to ask a South London extension builder before hiring?

Before hiring an extension builder in South London or extension building company in South London, 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 South London?

An extension builder in South London 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 South London 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 South London?

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 South London 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 South London 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 South London

Can an extension builder in South London help with planning permission?

Yes, many extension builders in South London 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 South London handle everything from design to construction?

Many South London 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 South London help with materials and finishes?

Yes, most extension builders in South London 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.