Extension Builders in North London

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.1 (18 reviews)

Easily find verified North London Extension Builders. Just post your job to get quotes from MyBuilder's Extension Builders in North London.

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 North London

3481 Results

Sort by:

Israel torres
No reviews yet
Extension Builder in North London
Tiling, painting, block layer, drywall design,
Get in touch
Hr fastway brickwork limited
No reviews yet
Extension Builder in North London
Brickwork Repointingh New build Extensions
Get in touch
Simran
No reviews yet
Extension Builder in North London
All types of work undertaken Loft conversions, extensions, full refurbishments Driveways and landscaping
Get in touch
Urban Planning & Construction Limited
No reviews yet
Extension Builder in North London
We focus on stress-free, high-value home renovations. Understanding the significance of this step, we provide tools for informed decisions. Our structured approach, with a dedicated team, ensures effective and efficient delivery of high-value projects. Reputation built on transparency, honesty, and commitment to excellence. From small remodels to large-scale renovations, we work closely with you to realize your vision on time and within budget. Contact us to start your dream home today!
Get in touch
Pal
New on MyBuilder
Extension Builder in North London
For a strong Thumbtack company description, focus on being professional, clear, and personable. You want to convince potential customers that you are the best person for their specific job.
Get in touch
Brother’s786 trading
No reviews yet
Extension Builder in North London
Hi, I’m Harman Singh ,a trusted and experienced window and door installer with a strong focus on quality workmanship, reliability, and customer satisfaction. With 4 years of hands-on experience in the trade, I specialise in the supply and installation of: • uPVC, aluminium, and composite doors • Casement, sash, bay, and tilt & turn windows • Energy-efficient and secure glazing solutions I’m fully qualified, FENSA-registered, and committed to meeting all relevant building regulations and British Standards. Whether you’re upgrading your home or tackling a new build, I’ll work with you every step of the way to ensure a smooth, professional finish — on time and on budget. 💬 Friendly advice, clear communication, and no hard selling — just honest, high-quality work you can trust. I look forward to helping you improve your home!
Get in touch
GV Construction LTD
No reviews yet
Extension Builder in North London
We are not merely transforming land into blocks and bricks. We believe in the beauty of creation and the power of design. And more importantly, we believe in the realization of your dreams.The expertise and experience we offer is based on the industry's standards, all for a reasonably packaged price
Get in touch
NOVATE ACS LTD
Rating: 3 out of 5
Extension Builder in North London
NOVATE ACS LTD, you can see more detail on our services on our website. We are an innovative design led London based Chartered RIBA Architectural Practice and an Accredited Construction Company. We specialise in home extensions, loft conversions, refurbishments and new builds
Get in touch
Latest review:
Architecture- 21 Dec 2024
Good rating and very helpful.
DAAS DEVELOPERS LIMITED
Rating: 2 out of 5
Extension Builder in North London
We are Specialists in Extensions & Refurbishments, Bathroom designing and installations, Floorings , Painting & Decorating and General Building with 20 years of experience in Building Industry
Get in touch
Latest review:
Extensions- 8 Jan 2023
Avoid. A total nightmare. Avoid.
essex lofts and extensions
No reviews yet
Extension Builder in North London
hello i am Aaron writing on behalf of the essex lofts and extensions we are a family run business that that can handle any of your domestic issues or solutions with a solid team of reliable tradesman in any feild. no job is to big or to small as we have electricians plumbers and our construction team ready for anything you desire from plumbing issues to fitting kitchen or patios and extensions don't hesitate to get in contact
Get in touch
SOUTH CONSTRUCTIONS LTD
No reviews yet
Extension Builder in North London
A little about us With many happy and returning customers over the last 12 years, you can be sure of being well looked after. Our aim is to provide a stress free project, delivered in a manner that I am confident will exceed your expectations. We are proud to be an established business who are known locally for our fantastic service. Our customers are accustomed the outstanding quality of projects we complete
Get in touch
N Flack building services Ltd
No reviews yet
Extension Builder in North London
I’m very good builder with 30years experience. I work all over north London and Hertfordshire. I’m a multi trader also with a team of experienced tradesmen to cover all areas. You can find my business on facebook and instagram.
Get in touch
Gkr Builders Ltd
No reviews yet
Extension Builder in North London
Reliable and Experienced Contractors with good work ethics. All building work undertaken from Extensions, Loft Conversions, roofing, Plastering, rendering, Brick laying, Tiling, Plumbing, kitchens, Bathrooms, Patio, driveways..
Get in touch
SPS GAS SERVICES LTD
No reviews yet
Extension Builder in North London
At SPS Design and Build, we don’t just construct buildings — we bring your vision to life with skill, precision, and professionalism. As a trusted build company, we manage projects of all sizes, from complex renovations to full-scale new builds. What sets us apart is our commitment to quality, safety, and client satisfaction. We are fully Electrically Certified and Gas Safe Registered, ensuring that all electrical and gas work is completed to the highest industry standards. Whether you're planning a new home, a commercial space, or a full property transformation, SPS Design and Build delivers reliable, end-to-end construction services with a focus on craftsmanship, compliance, and lasting results. Built right. Built safe. Built to last.
Get in touch
Luxatti homes ltd
No reviews yet
Extension Builder in North London
Building Luxury, Perfecting Detail At Luxatti Homes Ltd, we bring over 15 years of experience delivering high-end residential construction, bespoke new builds, extensions, and full refurbishments across London and the Home Counties. Led by Satwinder (Sunny) Johar, our team combines craftsmanship, innovation, and reliability — treating every home as if it were our own. We cover West London, Buckinghamshire, Berkshire, Surrey, and Middlesex, including Gerrards Cross, Beaconsfield, Maidenhead, Wimbledon, Uxbridge, Hayes, and surrounding areas. Our expertise includes luxury new builds, loft conversions, kitchen and bathroom installations, glazing, roofing, underfloor heating, and complete project management under JCT standards. Clients choose Luxatti Homes for our attention to detail, transparent communication, and flawless delivery. Every project reflects our belief that true luxury lies in precision, honesty, and pride in workmanship. No shortcuts. No compromises. Just exceptional homes.
Get in touch
Danny builer
No reviews yet
Extension Builder in North London
I’m available for work on new projects
Get in touch

4.1

Top rated Extension Builders

Our Extension Builders in North London, are rated 4.1 out of 5 based on 18 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.