Extension Builders in Gunnersbury

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 3.8 (18 reviews)

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

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 Gunnersbury

3602 Results

Sort by:

A. plastering
Rating: 5 out of 5
Extension Builder in Gunnersbury
Hi. My name is Fatos. I have been in construction for over 17 years. We undertake rendering, plastering and painting jobs. High standard finish in very competitive prices. We also do loft conversion,roofing, plumbing, electric, tiling, extension ect. Our prioritie is to get the job done in very high quality
Get in touch
Latest review:
Plastering- 22 Oct 2024
We needed to plaster our house ASAP and Fatos completed it in a short time. The house looks amazing, he was quick, efficient and was a great communicator. I would highly recommend him.
Himanshu
Rating: 5 out of 5
Extension Builder in Gunnersbury
Whether you're looking to modernize your home's exterior, improve insulation performance, or create a stunning brick-effect finish, we provide tailored solutions that combine aesthetics, durability, and long-term value. Contact us today to discuss your project and arrange a free consultation.
Get in touch
Latest review:
Insulation- 16 Sep 2026
I hired Himanshu to do my external insulation work and I was more than pleased with the work he did. He paid attention to details, he was patient with the job. Himanshu and his team were always on time and fast as well. They did an exceptional job on my property. I am definitely hiring him again for any building and insulation works. I highly recommend working with him.
Marcin Building Contractor
Rating: 5 out of 5
Extension Builder in Gunnersbury
25 years experience,all building work undertake, handyman service
Get in touch
Latest review:
Hard Flooring- 12 Dec 2017
Two rooms in one day. The work was done to a high standard and everything fit as it should. He left the job tidy and neat, when I walked into the room, it was if the floor had laid itself. We also hired him to install a double glazed window for us, again work done excellently and no less left
FSB Company (UK) LTD
Rating: 5 out of 5
Extension Builder in Gunnersbury
FSB is a well-organized contracting company with a team experienced in large-scale development projects with leading UK construction companies. Based primarily in London, we offer a variety of self delivered services, including complete extensions, and conversions, small works, structural alterations, steel work installations, ground work (foundations, drainage, concrete sub and superstructures), hard landscaping and paving and soft landscaping. We manage our sites carefully and have a digital site management tool kit. Our fully managed service connects skilled tradespeople with experienced construction management directly ensuring attention to detail that begins with our Contractors Proposals and continues through to practical completion and aftercare.
Get in touch
Latest review:
Extensions- 17 Nov 2025
Freddie, Kaz and Dan are a great team. I felt they were friendly and professional throughout. Any slight niggles were discussed and solutions found, quickly and professionally. They were respectful and went out of their way to get on with all the neighbours. Over all I would say they are a team of very nice people, who care about what they do and take pride in achieving the result their clients are after.
Malkeet1construcstion
Rating: 5 out of 5
Extension Builder in Gunnersbury
“Hi, I’m Gurpreet singh. I’m a qualified builder with 7 years of experience in residential and commercial work. I specialise in all type of building work such as renovations, extensions, and general building. I take pride in quality workmanship and reliable service.”
Get in touch
Latest review:
Bathroom Fitting- 6 Sep 2026
Very happy with the work carried out by Gurpreet. Honest, reliable, professional and reasonable prices. I have no hesitation in recommending his work. New bathroom and kitchen fittings, painting and decoration.
Bawabuilder
Rating: 5 out of 5
Extension Builder in Gunnersbury
We can extend
Get in touch
Latest review:
Fencing- 13 Mar 2026
We hired Bawa to install new fencing, and he did a fantastic job from start to finish. You can immediately tell he’s an all-rounder who understands construction very well. The work was carried out efficiently and to a high standard. Bawa has a great attitude, is very hard-working, and clearly takes pride in what he does. Communication was easy throughout, and the whole process felt smooth and professional. It was a real pleasure having Bawa work for us, and I wouldn’t hesitate to recommend him.
Koncore Plumbing & Heating Ltd
Rating: 5 out of 5
Extension Builder in Gunnersbury
*PLEASE ONLY SHORTLIST US IF YOU ARE HAPPY WITH OUR QUOTE* We have many years of experience and, as such, have seen almost every imaginable plumbing and heating emergency that you can imagine, and we can fix them all. We aim to fix every problem on our first visit, in the fastest time possible. NO JOB TOO BIG OR TOO SMALL, WE DO IT ALL!!
Get in touch
Latest review:
Gas Work- 27 Jun 2026
Good job
My Home Services London Ltd
Rating: 5 out of 5
Extension Builder in Gunnersbury
My Home Services London Ltd is a professional construction and home improvement company specialising in bathroom and kitchen renovations, house extensions, loft conversions, and full property refurbishments. We also provide expert gas, electrical, electronics, and smart home (domotics) installation and maintenance services. Our team delivers complete, high-quality solutions designed to transform homes by combining functionality, comfort, style, and modern technology. From small upgrades to large-scale renovation and extension projects, we work with a safe, reliable, and professional approach tailored to each client’s needs and vision.
Get in touch
Latest review:
Handyman- 29 May 2026
Absolutely fantastic service, they did a great job!!! Friendly and professional. I look forward to having them back for more jobs. 100% highly recommend!! Thank you very much!
AJ Construction
Rating: 5 out of 5
Extension Builder in Gunnersbury
Building a luxury lifestyle, bespoke to your specifications. We are a family run business; my brother and I set up our company together after gaining collectively over 20 years experience in the trade. Our aim is to provide a fair and affordable price, excellent and proactive customer service, together with the highest quality finish. We are specialists in extensions, brickwork, fencing and landscaping. Free quotes and 3 month snagging period guaranteed!
Get in touch
Latest review:
Landscaping- 2 May 2018
We would highly recommend Aran. His quote was competitive and his communication throughout was excellent. He worked swiftly and the quality of the work is very good.
Tomyc Constructions Limited
Rating: 5 out of 5
Extension Builder in Gunnersbury
Tomyc Constructions Limited is a London-based renovation and building company. We specialise in full property refurbishments, bathrooms, kitchens, painting, flooring, and general construction. Our services also include microcement finishes, decorative paints, and feature wall creations. Fully insured, reliable, and committed to delivering high-quality results on time and to a professional standard. All our work comes with a one-year guarantee.
Get in touch
Latest review:
Really happy with our new bathroom. The team from Tomyc Constructions were professional, tidy, and finished everything to a high standard. Work was done on time and exactly as promised. Highly recommend.
AVmen
Rating: 5 out of 5
Extension Builder in Gunnersbury
We are AVmen Construction We provide a range of Design and Build services to Luxury Commercial & High-End Residential properties in a professionally estimated, planned, and controlled manner: Bathroom Design, Reconfiguration, Refurbishment/Renovation 2D/3D CAD drawings and services for complex refurbishments Extensions, Conversions, Modernisation from the scratch Kitchen Extensions and Complete Kitchen renovations Building Shell & Core, Mechanical, and Electrical Services.
Get in touch
Latest review:
Carpentry- 7 Sep 2020
Amiran delivered an excellent job. The sauna was supplied devoid of full clear instructions and materials and Amiran was able to solve all the issues in a timely and satisfactory manner. Very good workmanship, attention to detail and create problem solving. Would hire again.
ABETA GROUP LIMITED
Rating: 5 out of 5
Extension Builder in Gunnersbury
ABETA GROUP LIMITED covers a wide range of construction services offered by our team of professionals.
Get in touch
Latest review:
Kitchen Fitting- 30 Nov 2020
Aurenc was very helpful and accommodating. The work was well done. All the persons were respectful and clean.
SEASOUTH BUILDS LIMITED
Rating: 5 out of 5
Extension Builder in Gunnersbury
At Seasouth Builds, we bring over 5 years of hands-on experience in the building and construction industry. Known for our loyalty, reliability, and attention to detail, we take pride in delivering high-quality workmanship on every project
Get in touch
Latest review:
Tiling- 24 Sep 2025
I hired seasouth builds because not only did he give a really reasonable quote, but he also had knowledge of tiling over retrofit underfloor heating - which other tilers seemed to be really hesitant to work with. The job was done to an excellent standard - he’s a real perfectionist. It did take a bit longer than expected, due to some floor level issues which he didn’t account for when he quoted. I was really worried about the price increasing out of my budget when we started running over time, but I was so grateful to find that he was a really honest guy who stuck to the agreed quote and didn’t try to make it my problem one little bit. He was polite and friendly throughout the whole job, turned up whenever he said he would, and kept in constant contact. Really honest (I happily left him unattended in my property). Customer service was excellent, nothing was too much trouble. 10/10 would recommend.
J&D
Rating: 5 out of 5
Extension Builder in Gunnersbury
My name is Jacek i have been working as a builder for 15 years in UK I working with a team and we are good at Extensions Refurbishment Kitchens Bathrooms Rendering Plastering Painting
Get in touch
Latest review:
Plastering- 24 Nov 2019
In the middle of finishing our kitchen job. His plastering has been excellent. Waiting now for a paint finish. Very punctual, honest and thorough with his job. I am very pleased we hired Jacek and will definitely be hiring him in the future. Thank you Jacek.
Shapesmakers LTD
Rating: 5 out of 5
Extension Builder in Gunnersbury
Shapesmakers are a small construction company with combined experience of 20+ years in various construction tasks and projects. Our aim is to provide a reliable and quality for our project as well as peace of mind to your customers. We thrive on challenges of each project and exceeding expectations of our clients.
Get in touch
Latest review:
Conversions - General- 24 Sep 2025
Mario carried out a great job at my apartment. He took off the wallpaper from 3 walls in the living room, plastered and painted them making them like new and carried out a small restoration project of my stairs. He’s very reliable, experienced and easy to communicate to. I highly recommend Shapesmakers
BRH
Rating: 5 out of 5
Extension Builder in Gunnersbury
We are a professional property repair, maintenance and renovation company, committed to providing high-quality workmanship and reliable service to homeowners, landlords and property managers. With over 10 years of experience, we specialise in a wide range of property improvement and maintenance services, including plastering, plasterboarding, painting and decorating, tiling, carpentry, bathroom and kitchen refurbishments, roofing, repairs and general property maintenance. Whether it’s a small repair, ongoing maintenance or a complete refurbishment, we take pride in delivering a professional finish, paying close attention to detail and completing every job to a high standard. Customer satisfaction is at the heart of our business. We believe in honest communication, clear quotations, reliable workmanship and treating every property with care and respect. We are happy to discuss your requirements, provide a clear quotation and answer any questions before work begins. No advance payment required. Payment is agreed upon completion of the work or in stages for larger projects. We look forward to helping you improve, maintain and protect your property.
Get in touch
Latest review:
Bathroom Fitting- 17 Sep 2026
It was a pleasure to work with BRH. Abdullah and his team are highly skilled and extremely helpful. They completed the tiling work in our kitchen and bathroom, fitted our kitchen counters, helped us with building a cupboard to cover the fuse board in the kitchen and assisted with cutting down a couple of doors and fitting the shower door. Their workmanship is excellent. They were fast and efficient and completed the work in a couple of days. We will definitely use them again if we have another project to do. Thank you again!

3.8

Top rated Extension Builders

Our Extension Builders in Gunnersbury, are rated 3.8 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 Gunnersbury?

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

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

What are the hourly rates of extension builders in Gunnersbury?

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

Find extension builders in Gunnersbury with MyBuilder

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

Step 2: Compare different extension builders in Gunnersbury

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

Step 3: Hire Gunnersbury extension builders with confidence

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

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

What to ask a Gunnersbury extension builder before hiring?

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

An extension builder in Gunnersbury 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 Gunnersbury 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 Gunnersbury?

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 Gunnersbury 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 Gunnersbury 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 Gunnersbury

Can an extension builder in Gunnersbury help with planning permission?

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

Many Gunnersbury 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 Gunnersbury help with materials and finishes?

Yes, most extension builders in Gunnersbury 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.