Extension Builders in Coulsdon

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 3.7 (16 reviews)

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Some of our top rated extension builders in Coulsdon

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Extension Builder in Coulsdon
Hi there. I'm a fully qualified plaster with over 30 years experience winning awards for my plastering skills. Cover all internal/ external plastering works. Also cover a wide range of other trades in building extensions along with refurbishments. Many thanks Simon
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Zayan Ltd
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Extension Builder in Coulsdon
Zayan LTD services We are based in East Molesey , Zayan LTD services has been trading since 2015, but director Halit has been involved in landscaping and construction for 10 years. We cover London and Surrey, carrying out landscaping and building work. We have a dedicated team of professionals to ensure your project is carried out to the highest standard.
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LG builds
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Extension Builder in Coulsdon
Experienced builders with a focus on quality and attention to detail. Delivering reliable, tailored solutions for every project. Always aiming to exceed expectations.
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Saber Building and Landscaping
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Extension Builder in Coulsdon
Hi my names Chris I have been in the construction industry 18 years. I started my journey In brickwork through an apprenticeship when I was 17. I have worked on all sorts of contracts from the London Shard to Garden walls and patios. I have also worked for myself on lots of other other small projects from ground works up. I always take great enjoyment from working with a customer to bring their vision to life and discussing different design ideas. I take great pride in my work no matter how small the job. Thankyou for taking the time to read Chris.
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Highpoint roofing and building contractors
Rating: 5 out of 5
Extension Builder in Coulsdon
At Highpoint roofing and building contractors we have over 40 years of experience Collectively, we take pride in our work to ensure 100% customer satisfaction With our free no obligation quotation you will be given all the advice you need to ensure total piece of mind our goal is to meet and exceed expectations of every customer all work carried out to the highest Possible standards and at very competitive prices
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Latest review:
Roofing (Flat)- 6 Jan 2026
Completed the job as promised and was very tidy in his job
Sam's Building Maintenance and Constructions Ltd
Rating: 5 out of 5
Extension Builder in Coulsdon
Sam's Building Maintenance and Construction Ltd has more than 25 years experience in First and Second Fix carpentry, Kitchen installation, extension, loft conversion and general refurbishment work. We deliver quality services to meet customers' specifications and within stipulated deadlines .
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Latest review:
Sam did 5 and half meter kitchen, with large shower and laundry rooms extension for me. He is of very good character, worked professionally, reliable and his work was good.
AKAM BUILDERS LIMITED
Rating: 5 out of 5
Extension Builder in Coulsdon
Akam Builders have over ten years experience in providing cost effective solutions for domestic & commercial building requirements be it simply refreshing an old bathroom to building a nursing home. We have a hard working team ready to help you transform your house into your dream home.
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Latest review:
I had a commercial property converted into 2 one bedroom flats. Akam builders did an A-class job. The work was done to a very high standard and within the time scale stated by Gurwinder. I was impressed by the extra work he did without any extra charge. This builder is a genuine and reliable builder. The work is in perfect condition after 6 months.
OLIVEIRAS CONSTRUCTION LIMITED
No reviews yet
Extension Builder in Coulsdon
Oliveiras is a construction services provider, we serve companies, decorators, architects and clients in general with excellence. Oliveiras is made up of a team of qualified professionals. Oliveiras Construction offers excellence in work, bringing dignity, agility and commitment. Our professionals have unique skills, from foundation to finishing. We are always available to do whatever is necessary to evolve more each day, bringing what is most current on the market.
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Ebbstone Construction Ltd
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Extension Builder in Coulsdon
We have extensive experience in construction industry and provide following services New Build Internal Conversion Refurbishment Extension GRP or Pitched Roof Flooring Loft Conversion General Property Improvements Painting & Decorating Maintenance & Repairs
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ThorneBack
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Extension Builder in Coulsdon
I have worked in the building industry for the last 7 years doing trade work including, capentary, bricklaying and grounds work, some of our work involves pitching roofs, buildings walls, digging foundations and drainage.
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Paulo Alves
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Extension Builder in Coulsdon
I'm a very experienced bricklayer. I've been on the construction business for over 20 years being the last 10 dedicated to the bricklaying art.
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Antonio Abreu
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Extension Builder in Coulsdon
I have been working in construction for 20 years. I first started as a Carpenter did my NVQ Level 2 then worked for a company fitting kitchens and bathrooms for 2 years. After that started working on my own and then build a small team. We now specialise in lofts, extensions, full house refurbishment, kitchen fitting bathroom fitting and decorating. We are very professional, very easy to work with, and have loads of excelent references.
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Marco ltd
Rating: 4.8 out of 5
Extension Builder in Coulsdon
we put effort and commitment into our work so that the client is satisfied with our work
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Latest review:
Plastering- 19 Mar 2026
Friendly guy.
PK Construction
No reviews yet
Extension Builder in Coulsdon
Family run loft conversion and extension specialist with over 25 years experience. PK Construction offers dedicated building services at competitive prices without compromising on quality. Word-of-mouth is where we get the majority of our work but we are always looking for new customers. Our expert team has the knowledge and to undertake both large and small projects
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ALMO Property Group Limited
Rating: 5 out of 5
Extension Builder in Coulsdon
ALMO Property Group delivers comprehensive property services, from maintenance and renovations to consultancy and management, with efficiency, expertise, and attention to detail. Backed by experienced professionals and full insurance coverage, we provide a dependable service, clear communication, and consistently high standards on every project, with a focus on providing value for all our clients.
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Latest review:
We recently completed a full house refurbishment including a 4-metre rear extension, dormer loft conversion, and complete interior renovation with ALMO Property Group—and I genuinely couldn’t recommend them more highly. From the very beginning, the team managed everything seamlessly, from planning and design through to execution. What could have been an incredibly stressful process was made smooth, organised, and surprisingly enjoyable thanks to their professionalism, communication, and attention to detail. The quality of workmanship throughout the project has been exceptional. Every stage was handled with care, precision, and a clear commitment to delivering a high-end finish. The team were reliable, efficient, and always kept us informed, which gave us real peace of mind. A special mention has to go to Ameer, who was absolutely outstanding from start to finish. His dedication, responsiveness, and willingness to go above and beyond made a huge difference. He was always on hand to answer questions, offer solutions, and ensure everything ran perfectly. ALMO Property Group have completely transformed our house into a beautiful home, and we are beyond happy with the results. If you’re looking for a trustworthy, skilled, and professional team, I would highly recommend them.
Maxmar Construction Ltd
Rating: 4.7 out of 5
Extension Builder in Coulsdon
We are a company that pride ourselves on taking excellent care of the ‘whole project’, from design to completion. We can, on your behalf, manage your project, coordinating all the required trades to turn up as and when required, leaving you to get on with daily life. Your dream home could be closer than you think, allow us to turn your ideas into reality. My company has lots of experience working on many different projects, big or small! On a personal level I am a honest hardworking individual. I have a lot of experience in all aspects of building work. I am familiar with building regulations and used to dealing with building control officers from the various local authorities. I have a fully skilled team of builders who cover all types of general building maintenance including kitchen and bathroom fitters, plasterers, flooring specialists, painters and decorators. The company offers a fully insured and guaranteed comprehensive
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Latest review:
Conversions - General- 21 Jul 2013
Flooring & lighting to extension not completed appropriately and resulted in later problems.

3.7

Top rated Extension Builders

Our Extension Builders in Coulsdon, are rated 3.7 out of 5 based on 16 reviews from customers like you.

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

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

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

What are the hourly rates of extension builders in Coulsdon?

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

Find extension builders in Coulsdon with MyBuilder

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

Step 2: Compare different extension builders in Coulsdon

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

Step 3: Hire Coulsdon extension builders with confidence

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

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

What to ask a Coulsdon extension builder before hiring?

Before hiring an extension builder in Coulsdon or extension building company in Coulsdon, 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 Coulsdon?

An extension builder in Coulsdon 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 Coulsdon 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 Coulsdon?

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 Coulsdon 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 Coulsdon 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 Coulsdon

Can an extension builder in Coulsdon help with planning permission?

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

Many Coulsdon 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 Coulsdon help with materials and finishes?

Yes, most extension builders in Coulsdon 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.