Extension Builders in Canonbury

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

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Some of our top rated extension builders in Canonbury

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Global Gate Homes UK Ltd
No reviews yet
Extension Builder in Canonbury
Global Gate Homes UK Ltd specialises in quality home extensions across London and surrounding areas. Backed by 20+ years of construction expertise and a Master's degree in Engineering, we deliver projects with precision and care. ✓ £10 million Public Liability Insurance ✓ Companies House registered ✓ HMRC compliant Free, no-obligation quote available.
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Empe building services ltd
Rating: 5 out of 5
Extension Builder in Canonbury
BASED IN WEST LONDON EMPE BUILDING SERVICES ltd. ARE A COMPANY OFFERING A RANGE OF BUILDING SERVICES. WE TAKE GREAT PRIDE IN OUR WORK AND PLACE A STRONG FOCUS ON WORKING VERY CLOSELY WITCH OUR CUSTOMERS THROUGHOUT ALL THE STAGES OF THE PROJECT, AS TO ENSURE EVERY DECISION IS DISCUSSED AND QUERYS ARE ADRESSED. OUR REPUTATION IS THE FUNDATION OF OUR SUCCESS. WE TAKE PRIDE IN OUR APPROCHABLE, PROFESIONAL, EFFICIENT AND TRANSPARENT SERVICE. PLEASE VIEW OUR GALLERY FOR EXAMPLES OF OUR WORK.
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Latest review:
Extensions- 31 Jan 2020
We had a porch built by Emil & Peter's team & lead water pipe changed, our house has gone from the tattiest on the street to the smartest now :) The guys turned up on time when they said & worked hard all day, their workmanship is excellent & my neighbour has also used them to do quite a few jobs now& are really pleased with their work. I will definitely be using them again & would highly recommend them!
R Hamandi Limited
Rating: 5 out of 5
Extension Builder in Canonbury
R.Hamandi Limited was established in January 2010 and firm in London, providing construction management, general contracting and consultant services. RHL specialises in construction and restoration of private and commercial sector in the heart of London including Residential refurbishment,Commercial,New build,Design and build, Basement construction, Kitchens specialists, Listed buildings, Sustainable buildings
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Latest review:
My colleague referred me to Raed who previously have had used R.Hamandi Ltd for construction work and they were very happy with the quality of service. Along with some other building company's last year I also contacted Raed for an estimate. Raed gave us a reasonable price with all the details of proposed work. He also explained about the possible options of how we could get the best value for our money. His professional and friendly advice helped us a lot to understand what exactly we needed and what was best for us to go ahead for our project. We decided to go ahead with R.Hamandi ltd. Raed gave us breakdown of the project and everything was documented. His support in communicating with council and planning related issues was valuable. All the planning permission requirements were followed. Presence of experienced and trust worthy staff including laborers, handymen, carpenters and painters really made it easy for me and family to be around and comfortable while they were working or to leave the house whenever we had to. Raed himself used to visit the site everyday to oversee the progress and used to discuss and take care of any possible issues. Raed's team used to turn up on time and the project was finished on time too. Even after the completion of the project staff at R.Hamandi ltd and Raed himself contacted us few times to find out if we're happy with the work carried out or if we needed any further assistance. Now we have a fully refurbed house with double side extension and loft conversion. Overall amazing service, professional, reliable and trustworthy. I recommend R.Hamandi ltd to everyone for an A+ service. Thanks,
ERCON LTD
Rating: 5 out of 5
Extension Builder in Canonbury
We are an Engineering & Design Company with 20 years experience within the industry. We make structural calculations and drawings as well as the construction works from scratch. We are providing top quality services for all type of projects. We are here to design and build creative and elegant projects of all sizes as well as to design refurbishment projects such as loft conversion and extensions.
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Latest review:
Joinery & Cabinet Making- 16 Dec 2022
I'm so happy with shelving that ozzy and his colleague made. Ozzy took the time to understand want I wanted (floating alcove shelving) provided a clear and comprehensive quote, and kept me updated on completion of the shelving in his workshop. On day of installation, the guys were lovely and friendly, they went the extra mile in dealing with floors and walls that aren't at all straight, and the finished result blew me away, it's transformed the space completely. Such a pleasure to deal with, would highly recommend and i would definitely use them again in the future.
HM construction
No reviews yet
Extension Builder in Canonbury
H.Muzaci Contractor is a well-established building company with over 25 years of experience in the construction and renovation industry. We specialise in home renovations, extensions, refurbishments, and general building work, delivering high-quality results from start to finish. We pride ourselves on excellent workmanship, reliability, and attention to detail, no matter the size of the job. From initial planning through to completion, we work closely with our clients to ensure projects are delivered on time, within budget, and to a high standard. Customer satisfaction is at the heart of everything we do. We are tidy, respectful, and committed to clear communication throughout the project. Much of our work comes from repeat customers and recommendations, which reflects the quality and trust we’ve built over the years. Clients from all over City of London with references (Mayfair, Chelsea, Portsman Square). If you’re looking for an experienced, honest, and professional builder, H&M Construction would be happy to help.
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LBS Property Maintenance Ltd
Rating: 5 out of 5
Extension Builder in Canonbury
When it comes to fulfilling a full-range of home-renovation needs, we are the team-of-choice for central and southeast London property-owners. Entrusting your building-needs to us means your work is done now, done right, and done at an affordable cost. Guaranteed.
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Latest review:
Extensions- 7 Jan 2019
I would definitely recommend LBS Property Services and would definitely use them again. LBS have a highly professional team and are very well organised and managed on site. Raymond has a very collaborative, proactive and honest approach with excellent communication skills and was a pleasure to work with throughout all stages of the project. All works were completed to high standard within the agreed construction programme.
Building services
Rating: 4.7 out of 5
Extension Builder in Canonbury
We are specialists in Loft conversion, extension, refurbishment, carpentry and decorating projects over the past 20 years, we provide all type of general building services & refurbishment projects with our skilled and reliable team. We are a company you can trust for all Commercial, Domestic services. Contact us for Free Quotation!
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Latest review:
Carpentry- 7 Aug 2015
Excellent service and very professionally carried out. Rahim came round at a time that was convenient for me and charged a very fair price for the job. Would certainly recommend.
Ultra renovations
No reviews yet
Extension Builder in Canonbury
I’m a multi-skilled builder with hands-on experience across carpentry, joinery, plastering, tiling, and general construction. I take pride in delivering quality workmanship, problem-solving on site, and finishing jobs to a high standard
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Dara Builders & Electricians
Rating: 5 out of 5
Extension Builder in Canonbury
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.
Bricklayer
No reviews yet
Extension Builder in Canonbury
Brikwork, Blockwork, extension,garden wall ,stonework
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Castle view construction Surrey Ltd
No reviews yet
Extension Builder in Canonbury
Castle view construction Surrey Ltd is a building and refurbishment company delivering high quality construction services across residential and commercial projects. We specialise in full property renovations extensions structural works fit outs and maintenance
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SDH INTERIORS LIMITED
No reviews yet
Extension Builder in Canonbury
I have a new business but with long time experience in carpentry and plumbing
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Star 5 construction ltd
Rating: 5 out of 5
Extension Builder in Canonbury
Hi everyone,Star 5 construction Ltd provides best quality of work with affordable price and finish your project with in giving time. For coustmer satisfaction we will provide you our liability insurance details. Our services: New build Extension. New loft conversation and new Roofing. Supply and fit new double glazed windows and doors, with K silicone rendering or Standard plastering. All types interior and exterior design and build. All types supplied and install steel beams. Free quotes and estimate. Many more offers if you need any information feel free to send us email with your plan, happy to provide you all the information.
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Latest review:
Mr singh and his team have done an excellent job,couldn’t have been more happier.Mr Singh’s experience and advice has saved me some serious money.really happy with the final product. It was big and complex task but it was completed in very efficient and professional manner.without any hesitation I’ll be recommending their services to friends and family
AMR BC Ltd
No reviews yet
Extension Builder in Canonbury
AMR is a building construction company based in London, offering a range of high-quality services for both residential and commercial clients. With years of experiences, we pride ourselves on delivering bespoke and innovative solutions to meet our clients’ requirements.
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Vikram
Rating: 5 out of 5
Extension Builder in Canonbury
Vikram building works is a building firm that primarily focus on renovation and refurbishment, house extensions , bathroom fittings, kitchen fittings . Our main aims are delivering quality service on time and at consequences of our client. Satisfaction of clients is always our priority .
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Latest review:
Bathroom Fitting- 2 Feb 2026
Vikram is a very hardworking man that takes great pride in his work. He is very accommodating and always put our wishes first. From start to finish we had no issues and hope to hire him again in the future.
Pro Construction London Ltd
No reviews yet
Extension Builder in Canonbury
Pro Construction London is a trusted London-based building company with over two decades of experience delivering high-quality renovations, refurbishments, and property maintenance. We pride ourselves on our professionalism, reliability, and attention to detail, ensuring every project is completed to the highest standard. From full property renovations and loft conversions to bespoke finishes and one-off repairs, we provide a seamless service from start to finish — clear communication, transparent pricing, and a tidy worksite every time. Our reputation is built on satisfied clients who return to us for future projects, knowing they can rely on a skilled and dedicated team to bring their ideas to life.
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4.1

Top rated Extension Builders

Our Extension Builders in Canonbury, are rated 4.1 out of 5 based on 18 reviews from customers like you.

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What types of services are offered by local extension builders in Canonbury?

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 Canonbury 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 Canonbury who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in Canonbury?

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

Find extension builders in Canonbury with MyBuilder

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

Step 2: Compare different extension builders in Canonbury

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

Step 3: Hire Canonbury extension builders with confidence

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

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

What to ask a Canonbury extension builder before hiring?

Before hiring an extension builder in Canonbury or extension building company in Canonbury, 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 Canonbury?

An extension builder in Canonbury 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 Canonbury 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 Canonbury?

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 Canonbury 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 Canonbury 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 Canonbury

Can an extension builder in Canonbury help with planning permission?

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

Many Canonbury 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 Canonbury help with materials and finishes?

Yes, most extension builders in Canonbury 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.