Extension Builders in North London

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4 (20 reviews)

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Some of our top rated extension builders in North London

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Dara Builders & Electricians
Rating: 5 out of 5
Extension Builder in North London
Dara Builders Ltd are expert local builders based in Carshalton, South West London, specialising in house extensions, loft conversions, kitchen fitting, bathroom renovations, refurbishments, and structural alterations. We proudly serve Sutton, Wallington, Cheam, Wimbledon, Raynes Park, Purley, Banstead and nearby areas. With over 15 years’ experience and rated highly on Google Reviews, we deliver quality workmanship with trusted trades. As a Which? Trusted Trader, we offer clear communication and professional project management from start to finish. Contact Dara Builders Ltd today for reliable local building services.
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Latest review:
Hard Flooring- 30 Sep 2018
Dara Builders were fantastic I will definitely use them again. Very pleased to have found them. Great job and finish, gave helpful advise and suggestions, plus very tidy and considerate.
MCAF Consulting Ltd
No reviews yet
Extension Builder in North London
We are trusted builders in London and Berkshire with over 15 years of experience delivering exceptional results on both residential and commercial projects. Our team specialises in house extensions, loft conversions, and full property refurbishments, combining skilled craftsmanship with clear communication and professional project management. From small domestic renovations to large mansion houses, we take pride in providing a reliable, high-quality service that meets deadlines and exceeds expectations. Every project is handled with attention to detail, transparency, and respect for your home. If you’re looking for experienced, fully insured builders to transform your property, MCAF offers complete design-to-completion solutions tailored to your needs. Quality workmanship, honest pricing, and client satisfaction are at the heart of everything we do.
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Alpha omega builds ltd
No reviews yet
Extension Builder in North London
We specialise in extensions, loft conversions, renovations, outhouses and office pods. All our team members are fully qualified with over 15 years of experience. We pride ourselves in high quality, efficient work but provide competitive rates and can accommodate various budgets.
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Yoffy construction ltd
No reviews yet
Extension Builder in North London
Yoffy Construction was founded in 2014 to deliver high-quality projects for clients in a professional manner generally associated with the larger PLCs in this industry. We have a commitment to quality, along with continued strategic and controlled growth, continues to be translated into a large number of satisfied clients and a high degree of repeat business. We work collaboratively with our clients, consultants and supply chain - ensuring that the project deliverables are achieved.
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Construction Andrea Sosoli
No reviews yet
Extension Builder in North London
I am an experienced builder with over 20 years in the trade, offering reliable and high-quality building and renovation services. I have a wide range of experience, including plumbing, partition walls, tiling, flooring, wood sanding, repairs, refurbishments and general building work. I take pride in completing every job to a high standard, paying close attention to detail and making sure customers are happy with the final result. I am hardworking, trustworthy and always aim to provide a clean, professional and efficient service. No job is too small, and I am happy to discuss your project, offer advice and provide a fair quote.
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Morina Property Limited
No reviews yet
Extension Builder in North London
At Morina Property we deliver bespoke Building and Maintenance services to home owners and businesses. Providing Consultancy Service, creating project plans and dealing with planning consent, services issues and supporting project owners in dealing with day to day issues including delivery of project on time and within budget. Specialised in refurbishments and development of properties. Property and Block Maintenance. Complete Project Management from beginning to end.
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Toto Construction LTD
No reviews yet
Extension Builder in North London
Hi! My name is Kyriako Toto and I have 34 years of experience in bricklaying, plastering, windows, plasterboard, wardrobe placement, insulation and basement extention. I am the owner of the Toto Construction Ltd ,where our engineers and builders are problem solvers offering honest, reliable and cost effective solutions.All quotations are free and with no obligation kind regards
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Steve Howell man with a trowel builder, property maintainance ,handyman
Rating: 4.9 out of 5
Extension Builder in North London
Hi my name is Steve and i am a bricklayer by trade. I have done a 4 year apprenticeship in city and guilds so i am fully qualified I have 35 yrs experience I have a great sence of houmour and easy to work with, thats Steve howell man with a trowel I take on a small extension work and project manager the hole thing from start to finish Also small jobs fencing, gutter repairs, plastering etc I will also do the handyman jobs as well Hope this helps
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Latest review:
Extensions- 22 Feb 2019
I am so happy with Steve's work. He has been kind and extremely helpful in working with building regs and making sure everything was done to my speciations. A real joy to work with and has produced a fantastic bathroom extension at a reasonable price. I would employ him again any time and would encourage others to do the same. Thankyou Steve. I can't say enough about him.
George
No reviews yet
Extension Builder in North London
Us at G&GO Constructions Limited are a small team of full experties. We are specialised in decorating, tiling, plastering, carpentry and extensions. We've been in the construction industry for over 20 years and we perform and deliver excellent results to all our customers.
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Multiarch building services ltd
No reviews yet
Extension Builder in North London
Multiarch is a new company but the tradesman employed by us have over 10 years experience and fully qualified. We are fully insured and our structural work comes with a 10 years guarantee. We can provide references and fotos of our work upon request.
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JK Building Services
Rating: 5 out of 5
Extension Builder in North London
JK Building Services estabileshed in 1998,has build a solid reputation for providing quality work at affordable prices. We are specialist in house extensions,,renovations, full refurbishments, brickwork specialists ,all general building work, structure works like construction of roofs, dormers , opening load bearing walls interior and exterior and installing steels . Also we offer welding services to our lovely clients from welding big steels on site to small household items too:)) *review* Lindsey : Jacek was brilliant. He is very professional, friendly, knowledgeable, tidy and made great recommendations. Jacek is talented in a lot of areas. Very refreshing to work with someone like him. We've already hired him again for bigger jobs. Highly recommend him.
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Latest review:
Conversions - General- 22 Jun 2026
Fantastic job. Lovely guy. Would definately use him again!
Daltons power
New on MyBuilder
Extension Builder in North London
Welcome to our family-run business, where quality, reliability, and customer satisfaction are at the heart of everything we do. We specialise in excavation, groundwork, and a wide range of construction services for residential and commercial projects. Whether it’s site preparation, foundations, drainage, landscaping, or general building work, we are committed to delivering high-quality workmanship with attention to detail. As a family business, we take pride in building long-lasting relationships with our clients through honesty, professionalism, and dependable service. Every project, big or small, is completed with the same dedication and care, ensuring it is finished safely, on time, and to the highest standards. We believe that trust, hard work, and experience are the foundations of our success. If you’re looking for a reliable team to bring your project to life, we’re here to help every step of the way. Contact us today to discuss your requirements and receive a free, no-obligation quote.
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Masterful Build Limited
No reviews yet
Extension Builder in North London
We are a family run company with a highly skilled workforce who have decades of experience and expertise in the construction industry.
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MC HandyMan
No reviews yet
Extension Builder in North London
Hello, I'm Martin, and I've got hands-on experience in the construction industry ranging from general handywork, building works and lanscaping. I've most recently been building garden rooms, laying flooring, tiling, cladding. I can fit doors, hardware/ironmongery and kitchens and am constantly assembling furniture, painting and decorating for my interior designer partner who is redesigning our flat. Whilst I’m new to this platform, I have successfully completed numerous projects within the residential sector and within hospitality where I worked for a number of years - in cafes, wine bars, and restaurants. Whether it’s a full build, a home improvement project, or smaller handywork, I take pride in my problem-solving skills, attention to detail, and honesty. Don't hesitate to get in touch and let me know what I can help you with.
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Ylian Cakoni
No reviews yet
Extension Builder in North London
I'm an Electrician mainly but my dad whom I work with is good with literally anything from plumbing to carpentry and much more. He has been doing this for many years so whatever sort of work you're looking for we've got you covered as well as we do free local quotes, and we could price match. If you ask any of our customers, you will know that we are serious and do a proper job and don't half ass anything. The area we are based in is Wembley.
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Mariusz Moniuszko
No reviews yet
Extension Builder in North London
I have had a registered general contracting company since 2004. I have also achieved Master Builder status
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Top rated Extension Builders

Our Extension Builders in North London, are rated 4 out of 5 based on 20 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 North 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 North 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 North London who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in North London?

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

Find extension builders in North London with MyBuilder

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

Step 2: Compare different extension builders in North London

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

Step 3: Hire North London extension builders with confidence

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

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

What to ask a North London extension builder before hiring?

Before hiring an extension builder in North London or extension building company in North 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 North London?

An extension builder in North 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 North 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 North 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 North 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 North 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 North London

Can an extension builder in North London help with planning permission?

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

Many North 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 North London help with materials and finishes?

Yes, most extension builders in North 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.