Extension Builders in Barnet, Greater London

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

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

3016 Results

Sort by:

J.M.C Electrical & Build Ltd
No reviews yet
Extension Builder in Barnet, Greater London
JMC Electrical & Build was established in 2018 and has been working on projects in Greater London and surrounding areas ever since. we have a small team of professional who have carried out several domestic and commercial projects. we are mostly recommended by word of mouth due to our expertise service. we offer one stop solution for your needs.
Get in touch
Fourth Little Pig
No reviews yet
Extension Builder in Barnet, Greater London
We are a specialist garden room company that offers beautiful buildings with bespoke dimensions and finishes while remaining affordable. We make this possible through our advanced, integrated design and manufacturing system which reduces cost without compromising on quality. Our system allows us to offer customers the ability to self design their garden room online and see instant pricing as they make changes. We use timber frame construction which reduces the overall footprint and cost, and our quality detailing and craftsmanship means it doesn't compromise on longevity or aesthetics while delivering better insulation and lower heating costs in winter months than alternative materials. Don't settle for standard when you could have bespoke!
Get in touch
JC Carpentry Services
No reviews yet
Extension Builder in Barnet, Greater London
Carpentry Services
Get in touch
K R E Roofing and Building
Rating: 5 out of 5
Extension Builder in Barnet, Greater London
I run a well established business, with over 20 years building experience. I work with a team of qualified professional tradesmen, to deliver your building needs. Prices are very competitive and quotations are free of charge. I have Public liability insurance. I am new to MyBuilder hence awaiting to be selected for jobs, and the 0 feedback rating, I have reference available if required.
Get in touch
Latest review:
Good prompt service and most importantly a job well done
J C CONSTRUCTION GROUP LTD
No reviews yet
Extension Builder in Barnet, Greater London
JC Construction Group Ltd are a building project company built from good family values and years of excellent work and experience. We cover every aspect relating to Building and Construction. From the groundwork through to giving you the keys at the end. Its what we do and its what we do well.
Get in touch
Ivo Kunev
New on MyBuilder
Extension Builder in Barnet, Greater London
Over 15 yrs of experience with structural and architectural steelwork!
Get in touch
chris
No reviews yet
Extension Builder in Barnet, Greater London
Electrical installation, Landlord certificate, EICR, Condition report , Fault finding etc
Get in touch
EcoHome Essex Ltd
No reviews yet
Extension Builder in Barnet, Greater London
Eco Friendly Construction Company. Our Eco Friendly & Carbon Neutral Projects Include New Construction, Tiny Homes, Guest Houses, Garden Rooms, Garden Offices And Also Extensions & Renovations. If it is "OFF THE GRID" Living You Require Or Ensuring Your Project Is As Eco Friendly As Possible By Installing As Many Eco Friendly Credentials Achievable Then We Can Help!
Get in touch
Cubic Architectural designs
No reviews yet
Extension Builder in Barnet, Greater London
At **Cubic Architectural Consultancy Ltd**, we specialise in designing, building, and commissioning your dream home or extension. From initial site surveys to detailed construction drawings, we guide you through every step, including planning permission, design amendments, and building regulations compliance. Our team of expert architects and designers is dedicated to creating bespoke, innovative spaces that reflect your vision and lifestyle. Whether it’s a new build, renovation, or extension, we manage the entire process with precision and care. With a focus on quality, creativity, and customer satisfaction, we handle the technical details so you can enjoy the journey of transforming your home. Your dream home starts with us.
Get in touch
P. Edwards Brickwork & Construction
No reviews yet
Extension Builder in Barnet, Greater London
We undertake all aspects of construction.
Get in touch
D Timis
No reviews yet
Extension Builder in Barnet, Greater London
Hello, I’m your go-to painter, here to bring color and life to your spaces. Whether you need a fresh coat for your home, a bold new look for your office, or a custom design that reflects your unique style, I’m dedicated to delivering high-quality finishes with precision and care. With a passion for detail and a commitment to excellence, I’ll work with you to transform your walls into a true reflection of your vision. Let’s brighten your world, one brushstroke at a time!
Get in touch
Elite Renovations Limited
No reviews yet
Extension Builder in Barnet, Greater London
Renovation work. From boilers to bathrooms, kitchens to decorating. We cover it all. We started off as a plumbing firm 8 years ago and have now expanded to a full renovation company.
Get in touch
Bostan London Ltd
No reviews yet
Extension Builder in Barnet, Greater London
At Bostan London, we take immense pride in delivering exceptional quality and craftsmanship. Our CEO, with over 25 years of unparalleled industry experience, stands as a true authority in the building sector. His extensive experience and profound knowledge of structural dynamics ensure that we excel in every aspect of construction. From intricate loft conversions and innovative extensions to meticulous refurbishments, cutting-edge new builds, and sophisticated commercial projects, we bring unparalleled expertise to every endeavor In essence, our CEO’s mastery and dedication ensure that we deliver nothing short of excellence. So why not give us a try? You have nothing to lose and everything to gain!"
Get in touch
Bergin Surveying Ltd
No reviews yet
Extension Builder in Barnet, Greater London
Over 30 years combined experience within the construction industry. Specialists in high end, contemporary and sustainable building. The management team consists of chartered Construction manager (MCIOB) Leading operations and a fully qualified Quantity Surveyor leading commercial. Looking for work including: - - New Build Projects - Extensions - Refurbishments - Loft Conversions - Basements - Maintenance contracts
Get in touch
ATB Construction Group Limited
No reviews yet
Extension Builder in Barnet, Greater London
Welcome to ATB Construction Group, where expertise and innovation come together in design and construction. Whether you're looking to build your dream home or renovate your living spaces, including outdoor areas, we’re here to guide you every step of the way. Explore our services and discover how we can bring your vision to life.
Get in touch
MK Piatek
No reviews yet
Extension Builder in Barnet, Greater London
Plumbing
Get in touch

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.

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 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.