Extension builders in South London

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.4 (21 reviews)

Easily find verified South London Extension Builders. Just post your job to get quotes from MyBuilder's Extension Builders in South London.

Select a service

How it works

Post your job for free

Tell us about your job, and we’ll alert suitable tradespeople in your area. It’s simple and free.

Tradespeople respond

Once your job is posted, you’ll get responses from interested tradespeople through the website.

Review profiles and choose

Browse profiles, work history, and feedback, then choose who you wish to share your details with.

Some of our top rated extension builders in South London

3612 Results

Sort by:

Diamond Construction & Build Limited
No reviews yet
Extension Builder in South London
Diamond Construction are a well established family business that has been operating successfully and providing clients with a professional and excellent service since 1981. We cover all aspects of building work specialising in extensions, conversions, new builds and all types of refurbishment works. We offer a bespoke design and planning service. We provide a free no obligation quote with written specifications and references, working with all councils and building control standards
Get in touch
Bohdan Havdyda
No reviews yet
Extension Builder in South London
Bohdan Havdyda we take pride in delivering high-quality workmanship with a reliable, friendly, and professional service. Our core expertise is in painting and decorating, helping homeowners and businesses transform their properties with attention to detail and a high-quality finish. Whether it’s a single room, a full property redecoration, or exterior painting, we are committed to achieving results that exceed expectations. Alongside decorating, we work with a trusted team of experienced tradespeople, allowing us to offer a wide range of home improvement services, including carpentry, flooring, roofing, loft conversions, extensions, and general property renovations. This means our customers can rely on one team to manage projects of all sizes from start to finish. We believe in honest communication, fair pricing, and leaving every job clean and tidy. Customer satisfaction is at the heart of everything we do, and we work hard to build lasting relationships through quality workmanship and dependable service. Whether you’re looking to refresh your home with a professional paint finish or planning a larger renovation project, we’re here to help.
Get in touch
Kamboj Construction Ltd
No reviews yet
Extension Builder in South London
Hi We undertake full building construction works Internal and externals. Specialist in following, Brickwork ,Concrete ,plumbing, Electric, plastering, Block Paving ,Granite paving, Tiles, Painting etc.
Get in touch
AH Reliant Energy LTD
New on MyBuilder
Extension Builder in South London
🏗️ AH Reliant Energy Ltd – Quality You Can Trust At AH Reliant Energy Ltd, we bring quality workmanship, reliable service, and professional project management to every job. From home improvements and building renovations to plumbing, heating, insulation, and energy efficiency upgrades, we deliver solutions tailored to our customers’ needs. Our experienced team is committed to completing every project to a high standard, with a strong focus on attention to detail, customer satisfaction, and value for money. Our Services Include: • 🏠 Building Work & Property Renovations • 🔨 Extensions & Home Improvements • 🚿 Plumbing & Heating • ♨️ Boiler Installations & Upgrades • 🌡️ Insulation & Energy Efficiency Improvements • 💨 Ventilation Upgrades • ⚡ Electrical Services • 🏢 Property Maintenance & Refurbishment • 📋 Retrofit & Property Compliance Solutions Why Choose AH Reliant Energy Ltd? ✅ Professional and reliable service ✅ Quality workmanship and attention to detail ✅ Competitive and transparent pricing ✅ Customer-focused approach ✅ Experienced project coordination ✅ Solutions tailored to your property and budget Whether you need a small home improvement or a complete property upgrade, we aim to make the process straightforward, stress-free, and cost-effective. AH Reliant Energy Ltd — Reliable Solutions. Quality Workmanship. Lasting Results.
Get in touch
Elvis Torba
No reviews yet
Extension Builder in South London
Hi, I’m Elvis, a professional bricklayer with over a decade of experience in all aspects of brickwork and masonry. I take pride in delivering high-quality workmanship, whether it’s garden walls, extensions, repointing, repairs, patios, or new builds. I’m reliable, hardworking, and always make sure every job is completed to a high standard with attention to detail. Customer satisfaction is very important to me, and I always aim to keep work areas tidy, finish on time, and provide honest, competitive pricing. I cover local surrounding areas and am happy to take on both small repairs and larger projects. If you’re looking for a trustworthy bricklayer who takes pride in their work, I’d be happy to help.
Get in touch
Prince Design London
No reviews yet
Extension Builder in South London
hello ,my business is high end and I work with very good architects or with clients who require a very professional builder who also has a design degree and highly skilled craftsmen who work for me . 15 years experience in construction before that 10 years as a furniture designer and cabinet maker I would take on quality building work of most types from lofts to extensions to new builds ,I think my website will show you the quality of works we undertake .
Get in touch
Revive Electrical Group Ltd
No reviews yet
Extension Builder in South London
Having worked in the electrical industry for over 20 years in all types of premises our customer satisfaction target is for them to feel that they have received a clean efficient and quality service.
Get in touch
Matteo construction Ltd
No reviews yet
Extension Builder in South London
Hi there hope you’re all keeping well I would like to introduce myself and my company Matteoconstruction Ltd I kindly ask if you could take a moment and visit our website site and see the service that we offer Please share with me if there is anything that we can assist you in the future with your work loads Kind regards Flo At Matteoconstruction Ltd
Get in touch
Starbuilds construction LTD
No reviews yet
Extension Builder in South London
I offer reliable communication and completion of work on time and I believe we can understand each other from any point of view.
Get in touch
24 Hour Landlord Solutions Ltd
No reviews yet
Extension Builder in South London
24 Hour Landlord Solutions, provide IT and electrical, plumbing, gas, fire alarms and all sorts of commercial and domestic services these include PAT testing and etc…
Get in touch
I craft limited
No reviews yet
Extension Builder in South London
The best in what we do
Get in touch
Sks builders construction ltd
No reviews yet
Extension Builder in South London
Hi my plaster experience is 12 year
Get in touch
Doctor construction
No reviews yet
Extension Builder in South London
Hey.... My name is Ankit builder .... Me and my team doing good jobs in all over London and outside London as well ... Works are being done by us ... Carpenter Skimming Plumbing Kitchen and door fitting Flooring Bathroom fitting Paint... Give us a chance to decorate your house ... Thank you ...
Get in touch
I.k maintenance
No reviews yet
Extension Builder in South London
✅ Gas Safe Registered Engineer ✅ Boiler Installation, Servicing & Repairs ✅ Central Heating Installation & Repairs ✅ Full Bathroom Design & Installation ✅ Kitchen Supply & Installation ✅ Home Extensions ✅ Loft Conversions ✅ Carpentry & Joinery ✅ Full Property Renovations ✅ Interior & Exterior Painting & Decorating ✅ Electrical Rewiring & Installations (carried out by qualified electricians) ✅ Garden Landscaping & Fencing ✅ General Building & Maintenance ✅ Plastering, Tiling & Flooring
Get in touch
handyman
No reviews yet
Extension Builder in South London
my experience work is 15 years at construction skills.
Get in touch
Keith & son's builder's
No reviews yet
Extension Builder in South London
Take passion in my work. Precision is a must . Strive for perfection each time and job I do
Get in touch

4.4

Top rated Extension Builders

Our Extension Builders in South London, are rated 4.4 out of 5 based on 21 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.