Extension Builders in Beckenham, Kent

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 3.9 (19 reviews)

Easily find verified Beckenham, Kent Extension Builders. Just post your job to get quotes from MyBuilder's Extension Builders in Beckenham, Kent.

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 Beckenham, Kent

2921 Results

Sort by:

Sweet Home Construction
Rating: 4.4 out of 5
Extension Builder in Beckenham, Kent
We are professionals in extensions (side double story, rear single story, side and rear single story and loft conversion. We also deal with refurbishing the whole house as per requirements of the customer.
Get in touch
Latest review:
Extensions- 2 Oct 2018
Completed Side extension and 6m rear extension last Oct. Overall happy with the work. Digging, foundation, Bricks, structure, insulation, Roofing, Tiles, plumbing, flooring, painting, etc were done to good standard. Some of the minor corrections, changes or fixes needed near completion were done accordingly. Quote was in midrange and reasonable compared to compared to some others I received. Raman is very easy to work with and clear in his communication. Never had any issues all through construction through to finalising stages. Would recommend Raman to others.
Project A Construction Limited
No reviews yet
Extension Builder in Beckenham, Kent
Project A covers all aspects of groundwork, extensions, driveways, refurbishments and tiling. Our work is build with experience and reliability.
Get in touch
One solution construction ltd
New on MyBuilder
Extension Builder in Beckenham, Kent
One Solution Construction is a friendly, reliable building company based in Epsom, serving Surrey and the surrounding areas. With over 20 years of experience in the construction industry, we specialise in house extensions, full refurbishments, loft conversions, renovations, structural alterations and general building work. We take pride in delivering high-quality workmanship, clear communication and a professional service from start to finish. Whether you are extending your home, renovating a property or undertaking a complete refurbishment, our experienced team is committed to completing every project on time, within budget and to the highest standard. Customer satisfaction is at the heart of everything we do, and we work closely with our clients to ensure their vision becomes a reality. No job is too big or too small, and we offer free, no-obligation quotations.
Get in touch
Jodan Building Contractors
No reviews yet
Extension Builder in Beckenham, Kent
Father and Son business with 30 years experience. We do most general building work, full refurbs, extensions, kitchen and bathroom fitting, plastering, tiling. No job is too small.
Get in touch
Mamre & Partners LLP
No reviews yet
Extension Builder in Beckenham, Kent
Mamre & Partners LLP is a trusted construction and home improvement company based in London. We specialize in renovations, extensions, kitchen and bathroom installations, garden work, plastering, flooring, and more. Whether it's a full refurb or small upgrade, we deliver quality workmanship with professionalism and care. Free quotes available—get in touch today to discuss your project.
Get in touch
Pascu Building Services
No reviews yet
Extension Builder in Beckenham, Kent
Been in the building industry for over 15 years working on a self employed basis, for the past 3 years I am running my own company having different trades subcontracting for me, we mainly deal with general building projects as (house extensions, loft conversions, general refurbishments and house alterations we have a long relation with Waltham Forest Council and Barnet Council as we had a fair amount of jobs in these areas
Get in touch
GL Design and build Ltd
No reviews yet
Extension Builder in Beckenham, Kent
Refurbishments, Extensions, loft conversions all building works
Get in touch
JRS
No reviews yet
Extension Builder in Beckenham, Kent
At JRS Roofing Solutions, we are more than just a roofing company — we are a family-run business built on honesty, trust, and craftsmanship you can rely on. Delivering exceptional work with care, skill, and attention to detail. Every project is completed using high-quality materials, the right tools, and a team of experienced professionals who take pride in getting it right the first time. But don’t just take our word for it — our reviews speak for themselves. Our Services Include: New Roof Installations – Expertly installed roofs using high-performance materials built to last. Roof Repairs – Fast, effective solutions to stop leaks and prevent further damage. Flat Roofing Systems – Torch-on felt, fiberglass, and polyurethane systems installed to industry standards. Cladding Installation & Repairs – Modern, durable cladding to enhance insulation and appearance. Fascia, Soffits & Guttering – Complete replacement or repair to ensure correct water flow and protection. Chimney Work – Repointing, leadwork, repairs, and safe removal where required. Moss Removal & Biocide Treatment – Restore the look of your roof and extend its lifespan. Dry Ridge & Dry Verge Systems – Maintenance-free, secure solutions for long-term protection. Give us a call, your local friendly roofers.
Get in touch
SURREY HILLS EXTEND AND RENOVATE LIMITED
Rating: 4 out of 5
Extension Builder in Beckenham, Kent
At Surrey Hills Extend & Renovate we promise Quality and Craftsmanship. We take pride in delivering superior quality in every detail of our work, ensuring long-lasting and visually appealing results. We have a Customer-Centric Approach and your satisfaction is our top priority. We work closely with you, understanding your needs and preferences, to create spaces that truly reflect your vision.
Get in touch
Latest review:
Conservatories- 17 Feb 2025
If I could give 0! Surrey Hills Extend and Renovate Limited is a company which is a scammer. Thye have scammed 80 Plus people. Do not use them. Now thye have declined to start workk and the Directors are going for Voluntary Liquidation after taking away millions. MyBuilder should have vetted the company before putting on their site
Saunders Developments Ltd
Rating: 5 out of 5
Extension Builder in Beckenham, Kent
Saunders Developments are a Property Development company that specialise in Design & Build, Extension's, Conversions, Gas engineering & Steel Structures. We currently cover London, Surrey, hampshire, West & East Sussex. We have over 16 years of experience within the construction industry, with our grounding in Structural Steel. Our in-house team of expert's consist of CAD operators, Surveyors, Gas Engineers, Plumbers, Electricians, Builders & Carpenter's
Get in touch
Latest review:
Restoration & Refurbishment- 22 Jan 2020
Saunders Developments were friendly, efficient and left my house clean and tidy, after what was quite a dusty and dirty job. I'm really pleased with the work and would happily recommend them to others!
Read Developments
No reviews yet
Extension Builder in Beckenham, Kent
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
Get in touch
TLP Properties Limited
No reviews yet
Extension Builder in Beckenham, Kent
TLP Properties is a Residential Construction and Project Management company with a presence in London, The Home Counties and Bristol, specialising in high-end residential projects. Our experience is in providing a tried and tested construction service for new builds private homes, small residential developments, apartment blocks, change of use conversions from office to residential, extensions, basements and more
Get in touch
EasyConstruct
No reviews yet
Extension Builder in Beckenham, Kent
All in construction we made
Get in touch
Safe Rexel Ltd
New on MyBuilder
Extension Builder in Beckenham, Kent
We turn visionary designs into enduring, award-winning buildings – trusted by architects, developers, and clients across London and the UK. As a leading construction specialist, we deliver complex, high-quality residential, commercial, and mixed-use projects, recognised nationally for exceptional build quality, technical skill, and collaborative delivery. Our work has earned prestigious RIBA Awards – including landmark projects Barretts Grove (RIBA London Award & RIBA National Award 2017) and Clerkenwell Close (RIBA London Award & RIBA National Award 2018, Stirling Prize Shortlist 2021) – projects celebrated for innovation, craftsmanship, and outstanding contribution to the built environment Why Choose Us? 🏆 Proven Award-Winning Expertise – Our track record on RIBA-winning projects proves we deliver quality that stands up to national scrutiny. 🛠️ Technical Mastery – Specialists in complex builds, heritage-sensitive sites, innovative materials, and architecturally demanding designs. 🤝 Collaborative Approach – We work seamlessly with architects, engineers, and clients, ensuring design intent is protected and enhanced at every stage. ⏱️ On Time, On Budget – Rigorous planning, clear communication, and reliable delivery.
Get in touch
Dan
No reviews yet
Extension Builder in Beckenham, Kent
we perform work qualitatively, quickly and punctuality
Get in touch
Blue energy 24 Ltd
No reviews yet
Extension Builder in Beckenham, Kent
I’m a professional contractor specialising in gas engineering, boiler installation, bathroom and kitchen fitting, full refurbishments, and interior design. With years of hands-on experience across construction and home improvement, I deliver reliable, high-quality work tailored to each client’s needs. As a certified Gas Safe engineer, I handle everything from safe gas and boiler installations to full property renovations and design upgrades. My services include: • Boiler installation, servicing & repair • Gas installations and safety checks (Gas Safe registered) • Bathroom fitting and design • Kitchen installation and refurbishment • Full property renovations • Interior design and layout planning Whether you’re upgrading a boiler, renovating a kitchen, or transforming an entire property, I’m here to ensure your project is completed safely, professionally, and to the highest standard. Let’s bring your vision to life
Get in touch

3.9

Top rated Extension Builders

Our Extension Builders in Beckenham, Kent, are rated 3.9 out of 5 based on 19 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 Beckenham, Kent?

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 Beckenham, Kent 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 Beckenham, Kent who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Beckenham, Kent?

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

Find extension builders in Beckenham, Kent with MyBuilder

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

Step 2: Compare different extension builders in Beckenham, Kent

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

Step 3: Hire Beckenham, Kent extension builders with confidence

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

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

What to ask a Beckenham, Kent extension builder before hiring?

Before hiring an extension builder in Beckenham, Kent or extension building company in Beckenham, Kent, 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 Beckenham, Kent?

An extension builder in Beckenham, Kent 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 Beckenham, Kent 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 Beckenham, Kent?

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 Beckenham, Kent 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 Beckenham, Kent 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 Beckenham, Kent

Can an extension builder in Beckenham, Kent help with planning permission?

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

Many Beckenham, Kent 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 Beckenham, Kent help with materials and finishes?

Yes, most extension builders in Beckenham, Kent 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.