Extension Builders in South Lambeth

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.1 (17 reviews)

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Some of our top rated extension builders in South Lambeth

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Simms building and civil engineering LTD
Rating: 5 out of 5
Extension Builder in South Lambeth
The business offers a range of services from small groundwork and foundation work, to full domestic extension construction projects and civil engineering works. I am a chartered civil engineer, with the Institution of Civil Engineers (membership number 51967168), with 17 years experience in the construction industry.
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Latest review:
Extensions- 12 Mar 2018
Nick brought many skills and talent to his work. He was polite and punctual and worked hard to get the job done as quick as he could. He and his team were professional and worked well together especially working through the challenges we all faced. His work ethic is second to none and he always remained considereate to my neighbours and I.
Mihail
No reviews yet
Extension Builder in South Lambeth
For all your building and home improvement needs. Quality work and guaranteed. Professional Tradesman YOUR HOME IN EXPERT HANDS Building • Renovating • Transforming · 🛠️ Kitchen Fitting · 🚿 Bathroom Renovation · 🧱 Bricklaying & Extensions · 🎨 Painting & Decorating · ⬜ Plastering · ◻️ Tiling (Walls & Floors) · � Patios & Driveways Get in touch for a friendly consultation and a competitive quote! 📍London Based
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Mandeep singh
Rating: 5 out of 5
Extension Builder in South Lambeth
Hii we do all types of ground work landscaping and demolition on very decent prices
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Latest review:
Groundwork & Foundations- 30 May 2026
Really happy with Mandeep and the team. They are friendly, hard working and helpful. Communication is excellent and honest. I would not hesitate to recommend them
M4U BUILDING & DESIGN LTD
No reviews yet
Extension Builder in South Lambeth
We are a commercial & residential construction company who specialise in both works . We inspire homeowners to live within there own creation and always encourage our customers to get the most out of there build . We treat every project with upmost of care and treat all jobs equally. The start of the process from the design element to the build element we aim to provide all our customers with the smoothest of services . We are very competitively priced within the market and offer full guarantees on our works . Our portfolio boats all types of projects which will showcase our working abilities to all future customers . We look forward to working with you .
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LOLLI DESIGN
No reviews yet
Extension Builder in South Lambeth
With years of hands-on experience in plastering, skimming, insulation, drywall installation, and general building works, we take pride in turning your vision into reality. We work closely with homeowners, architects, and design studios to ensure every project is completed on time, on budget, and to the highest standards
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JCN Brickwork and Building Specialists
No reviews yet
Extension Builder in South Lambeth
hi I’m Jim Newman I’ve been in the trade (building-bricklaying landscaping extensions) For 15-18 years now learning firstly from my father then college I am hardworking and honest and always provide quality workmanship
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4CS Building Solution
No reviews yet
Extension Builder in South Lambeth
4CS Building Solutions, While we're experts in HMO development,From breathing new life into homes through meticulous refurbishments to crafting stunning bathroom and kitchen renovations, we're here to transform your vision into reality. Need extra space? Our house extensions unlock endless possibilities, while our loft renovations add charm and functionality. No project is too small – we're your trusted partner for all your construction needs.
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IQSURV LTD
No reviews yet
Extension Builder in South Lambeth
IQSURV LTD is a RICS Regulated Firm and is a Chartered member of CIOB. The premier destination for top-quality refurbishment and construction services. With years of industry experience, we specialize in transforming spaces into stunning, functional environments. At IQSURV, we understand the significance of creating a space that reflects your unique vision while meeting specific requirements. Whether it’s a residential property, commercial space, or large-scale project, our skilled professionals are here to bring your ideas to life.
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MB BG CONSTRUCTIONS LTD
No reviews yet
Extension Builder in South Lambeth
Welcome to MB BG CONSTRUCTIONS LTD We are a company based in South London offering the service that we would expect to receive ourselves. Our values run through every aspect of what we do – from the moment you commission us, to the moment we hand over the keys. We offer no obligation quotes for any of the following areas: Roofing Extensions Loft Conversions Garage Conversions Building Renovations Groundwork & Drainage Kitchens & Bathrooms Painting % Decorating
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Jhand construction ltd
Rating: 4.5 out of 5
Extension Builder in South Lambeth
Hi i have 14 years experience in construction industry we do loft conversion, extensions please feel free contact us
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Latest review:
Plastering- 21 Aug 2025
Best construction company, amazing staff. Thank you so much for the service.
shorrt ltd
No reviews yet
Extension Builder in South Lambeth
Onyx Design & Build – Your Trusted Partner in Quality Construction and Design Welcome to Onyx Design & Build! Based in Surrey, we are a dedicated team of experienced professionals specializing in high-quality home renovations, extensions, and bespoke builds. With a keen eye for detail and a commitment to exceptional craftsmanship, we bring every project to life with precision and care. Our services range from complete home refurbishments and kitchen installations to loft conversions and stunning home extensions. We take pride in creating spaces that reflect your vision while seamlessly blending with the existing character of your home. At Onyx Design & Build, we prioritize client satisfaction. We believe that every project is unique, so we work closely with you from concept to completion, ensuring clear communication, efficient timelines, and results that exceed expectations. Using top-of-the-line tools and premium materials, we guarantee durability and quality in every aspect of our work.
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Longstone Builders Limited
No reviews yet
Extension Builder in South Lambeth
We are a family run building company, established in the year 2000. Our prices have always been found to be very reasonable and most of our work has been from word of mouth without the need to advertise. The majority of our work has been the conversion of houses into flats, but we have also undertaken numerous new builds, extensions and loft conversions. All our work is fully guaranteed and insured for all liabilities.
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BM Lofts ltd
No reviews yet
Extension Builder in South Lambeth
BM Lofts offers the best quality of lofts conversion, roofing, refurbishment and extension. The company has been created recently, after many years of experience in construction.
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New tech design&build ltd
No reviews yet
Extension Builder in South Lambeth
We run a business which aims to exceed the customers expectation. We work closely with each client to ensure that we offer the very best service possible, our goal is to provide 1st class services. We work to an extremely high standard and are meticulous with cleanliness and hygiene , we understand the importance of keeping our customers' homes clean, and this reflects by our customer reviews We regularly review our pricing to ensure we are always competitively priced.
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MaxContractorsint
No reviews yet
Extension Builder in South Lambeth
Hello, my name is Darek, I’m a profesional builder with nearly 27 years of experience in England. Over the years, I have gained extensive expertise in a variety of areas including loft conversions, roof work, home extensions, bathroom and kitchen renovations and many more. I make sure to complete any work to the highest standard as I am a reliable worker.
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DRT Design Services
No reviews yet
Extension Builder in South Lambeth
Hello, I'm Dan. I'm a qualified Architectural Designer with more than 10 years experience working within the design and construction industry. I mainly specialise in domestic home refurbishments, extensions and renovations. I believe that architectural services should be accessible to the ordinary homeowner and not just the wealthy elite. Therefore this I what I value as an ethos and practice as a professional. I love working closely with homeowners helping them achieve the home that they love. I offer a transparent honest, and straighforward service. Whether it's just a simple space planning design you need, to delivering the construction of your extension, I'm here to help.
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4.1

Top rated Extension Builders

Our Extension Builders in South Lambeth, are rated 4.1 out of 5 based on 17 reviews from customers like you.

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

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 Lambeth 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 Lambeth who are available and interested can respond to your post.

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

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

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

Find extension builders in South Lambeth with MyBuilder

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

Step 2: Compare different extension builders in South Lambeth

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

Step 3: Hire South Lambeth extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in South Lambeth, 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 Lambeth extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a South Lambeth extension builder before hiring?

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

An extension builder in South Lambeth 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 Lambeth 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 Lambeth?

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 Lambeth 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 Lambeth 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 Lambeth

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

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

Many South Lambeth 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 Lambeth help with materials and finishes?

Yes, most extension builders in South Lambeth 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.