Extension Builders in Barnet, Greater London

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 3.9 (16 reviews)

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Some of our top rated extension builders in Barnet, Greater London

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Jatindery
No reviews yet
Extension Builder in Barnet, Greater London
Fencing Specialist – Reliable, Affordable & High-Quality Work We are a reliable and hardworking fencing contractor with experience installing, repairing, and replacing all types of fencing across domestic and commercial properties. We take pride in delivering strong, neat, and long-lasting fences tailored to each customer’s needs and budget. Our services include: • Closeboard, feather edge & lap panel fencing • Concrete & timber posts • Gravel boards (timber & concrete) • Fence repairs & replacements
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JCH BUILDING SERVICE
No reviews yet
Extension Builder in Barnet, Greater London
I have over 25 years’ experience in the building trade, working across residential projects of all sizes. Over the years I’ve completed multiple garden extensions, loft extensions, full house renovations, and everything in between. I’ve seen it all and know how to handle jobs properly from start to finish. Based locally and happy to travel within the surrounding areas for the right job. I’m flexible, reliable, and always upfront about availability and travel before starting any work. my skills cover all core aspects of domestic building work, including: • Extensions & structural alterations • Loft conversions • Full property renovations • Brickwork & blockwork • Foundations & drainage • Steelwork (RSJs & structural openings) • Plastering & making good • Rip-outs & prep work • General handyman & repair jobs I coordinate work efficiently and ensure all jobs meet Building Regulations standards. I regularly work on prestigious homes and for long-standing clients who trust me as their first call for building work. I take real pride in what I do and I’m a perfectionist when it comes to quality and finish. I believe in honest work, clear communication, and leaving every job done right.
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Samuel Motac
New on MyBuilder
Extension Builder in Barnet, Greater London
Reliable Building & Home Improvements I provide reliable, professional building and home improvement services for homeowners across London and the surrounding areas. With professional experience working in residential construction and project management, including my role working with Motacus Constructions, I bring a high standard of workmanship, organisation and attention to detail to every project. I undertake a range of residential projects, including brickwork, blockwork, repointing, garden walls, landscaping, patios, concrete bases, drainage, property repairs, kitchen and bathroom installations, and general interior improvements. Whether you need a small repair, a home improvement project or help bringing your ideas to life, I offer a straightforward, reliable service with attention to detail and clear pricing.
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AMALGAM BUILDERS LTD
No reviews yet
Extension Builder in Barnet, Greater London
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Sebastian's Builders
Rating: 5 out of 5
Extension Builder in Barnet, Greater London
My business comprises of general building works, including extensions, loft conversions and house refurbishments. I also undertake smaller works including bathrooms, kitchens garden patios and fencing. I have been in the building trade for 15 years starting as a dry lining contractor and then moving to a general building firm.
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Latest review:
Bathroom Fitting- 5 Oct 2022
Sebastian did a fantastic job with our downstairs toilet. Stayed close to me as there were delays in the delivery of some of the installations I’d ordered, he worked around it quite well for us. The quality of work is great! Thanks Seb.
Roman ignat
No reviews yet
Extension Builder in Barnet, Greater London
Skilled carpenter with very good experience in drylining,painting,tiling 1st and 2nd fix,roofing.
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Mamre & Partners LLP
No reviews yet
Extension Builder in Barnet, Greater London
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.
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Seaton-Robinson construction limited
No reviews yet
Extension Builder in Barnet, Greater London
Seaton-Robinson construction limited I'm a builder with 30 years experience I have a team who work for me ( plumbers,eletriction, carpenters ,all trades. We do all aspects of building works from small extensions ,loft conversions ,double storey extensions and total refurbishments. We can do all aspects of work on the building site even down to the decorating.
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Barry Howland Building & Decorating Services
No reviews yet
Extension Builder in Barnet, Greater London
I am and all round general builder my main trade being painting and decorating. My experience in the trade is vast I have built extensions, loft conversions, fitted kitchens and bathrooms all to a very high standard. I also lay patios and can build sheds and summers houses etc no job too small.
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KL Interior Architecture Construction and Advertisement Limited
No reviews yet
Extension Builder in Barnet, Greater London
KL Interior Architecture and Construction Limited™ has been working in interior design and construction business over the last 20 years. We are ready to serve
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Raffa Constaction Ltd
No reviews yet
Extension Builder in Barnet, Greater London
We are a company with experience over 35years very professional with experience work and large portfolio. We are offering best services, best price and highest quality of work.
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Eurocenter-online Ltd
No reviews yet
Extension Builder in Barnet, Greater London
I wanted to become a construction worker since I was a child and I became one. I like what I do and that's why I do it very professionally to satisfy every client who chooses me.
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JBP Developments Ltd
No reviews yet
Extension Builder in Barnet, Greater London
1. Surveys - Offering drone and Matterport surveys for planning applications and marketing purposes 2. Architectural Services - Providing drawings for pre-app and planning submissions. 3. Project Management - Managing multiple consultants, sub-contractors, and statutory authorities at any stage of the construction process. 4. Design and Build
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Mardea Contruction Limited
Rating: 5 out of 5
Extension Builder in Barnet, Greater London
MARDEA Construction Limited is a family owned business of more than 10 years' experience in all aspects of residential and commercial building work. We have completed building projects from full project management of new builds, extensions, loft conversions, patios, garden work
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Latest review:
Extensions- 5 Aug 2019
He is honest and trustworthy.he did a very good job.They worked very hard and managed to finish the building sooner than I expected. I would recommend them.
A&s builders
No reviews yet
Extension Builder in Barnet, Greater London
Greater London January 2000 to December 2023 20+ years self-employed experience in the construction trades which include the following: Central heating system Installed combo boiler Double story side and rear extensions Loft conversion Conversion of flats Installing new kitchens and bathrooms Drives and The above is the experience I have gained working on both my own and clients projects. My clients have all been left very satisfied and were repeat customers
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FS CONSTRUCTION DESIGN
No reviews yet
Extension Builder in Barnet, Greater London
We are a professional and reliable team with experience. Our team offer a wide variety of affordable property maintenance throughout London. We specialise in: * Loft conversions * Extension * Carpentry * Bathroom instalment * Door Lock * Electrician work * Furniture instalment/fitting * Gardening * House renovation * Flooring * Painting * Plastering * Plumbing * Roof work (leakage etc) * Tiling fittings * Wallpaper
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3.9

Top rated Extension Builders

Our Extension Builders in Barnet, Greater London, are rated 3.9 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 Barnet, Greater 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 Barnet, Greater 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 Barnet, Greater London who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Barnet, Greater London?

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

Find extension builders in Barnet, Greater London with MyBuilder

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

Step 2: Compare different extension builders in Barnet, Greater London

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

Step 3: Hire Barnet, Greater London extension builders with confidence

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

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

What to ask a Barnet, Greater London extension builder before hiring?

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

An extension builder in Barnet, Greater 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 Barnet, Greater 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 Barnet, Greater 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 Barnet, Greater 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 Barnet, Greater 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 Barnet, Greater London

Can an extension builder in Barnet, Greater London help with planning permission?

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

Many Barnet, Greater 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 Barnet, Greater London help with materials and finishes?

Yes, most extension builders in Barnet, Greater 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.