Extension Builders in Brentwood

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.4 (14 reviews)

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Some of our top rated extension builders in Brentwood

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KINVEK CONSTRUCTION
Rating: 5 out of 5
Extension Builder in Brentwood
We are a family run business, established January 2005, Kevin is a carpenter with over 40 years in the building industry, my son Matthew, who is a plumber, has been working with me for the last 10 years and wife Julie has been in the office since the start We pride ourselves on being friendly polite and trustworthy We do all types of building work, extensions, kitchens, bathrooms, carpentry, plumbing, electrics and decorating, fencing, decking
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Latest review:
Carpentry- 17 May 2026
Great guy, reliant, work done to spec and expectation. Thank you
Poul
No reviews yet
Extension Builder in Brentwood
Loft, extension, carpentry work , houses repairs, kitchen installment , electricity installment and maintenance , conduct designs of interior and exterior according to the customers want.
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LDK BRICKWORK
Rating: 5 out of 5
Extension Builder in Brentwood
Brickwork ,extentions, restoration, pointing , retaining walls
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Latest review:
Bricklaying- 13 Aug 2021
We agreed on a price which was satisfactory, Keaton and his team were very professional job completed , brick laying to a good standard. Very happy would recommend friends.
Build 71 Ltd
Rating: 5 out of 5
Extension Builder in Brentwood
Build 71 Ltd is a family run business and we give our customers exactly what they want in every job no matter how big or small. We have a very professional team to go the extra mile on any project.
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Latest review:
Extensions- 17 Nov 2019
Scott submitted a detailed quotation and met it without hidden extras. He and the team of Lee and Bob were friendly, personable and willing to help with any questions or issues that arose during the build. The work was carried out in a timely fashion, as promised, and was of a high standard. The team made appropriate provision to protect the public during the build process and were prepared to spend time each day tidying the worksite before leaving - even in some rather poor weather conditions! I would recommend others to consider Scott and his team.
Danbuild
No reviews yet
Extension Builder in Brentwood
We are small team of friendly, professional and efficient tradesmen. We turn up when we say we will and do quality work to high standard. Our team is based locally and we welcome any and all queries for both interior and exterior work.
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I&A Construction Ltd
Rating: 5 out of 5
Extension Builder in Brentwood
I&A construction Ltd has been trusted name in construction and renovation,including bathrooms, kitchens,interior and exterior work.
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Latest review:
Ion was done extension and refurbishment in the whole home.Speed and quality purposes were much pleasant given by the professional workers.
MQ Brickwork
No reviews yet
Extension Builder in Brentwood
**Experienced Bricklayer Offering Quality Craftsmanship and Reliable Service** With over 18 years of experience in the UK construction industry, I am a skilled bricklayer dedicated to delivering exceptional quality and customer satisfaction. I specialize in a wide range of brickwork services, from residential and commercial projects to custom designs and repairs. **Key Services:** - Brick and block laying - New builds and extensions - Restorations and renovations - Garden walls and decorative features - Repairs and maintenance **Why Choose Us:** - Free, no-obligation quotations and professional advice - Commitment to excellence and attention to detail - Reliable and efficient service - Passion for the craft and dedication to customer satisfaction I take pride in my work, ensuring every project is completed to the highest standards. Whether you need a new build or a simple repair, my team and I are here to help bring your vision to life. Contact us today to discuss your project and see how we can meet your needs. IG MQ Brickwork
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BMAC Construction
No reviews yet
Extension Builder in Brentwood
We have years of experience in the construction industry. We undertake all aspects of building and refurbishment works landscaping and fencing at competitive prices
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ASC BUILDING
Rating: 5 out of 5
Extension Builder in Brentwood
We specialise in extensions, garden rooms, patios and lanscape gardening. I myself have 20years experience in the building trade. Trades which include: Ground works/footings and drainage, Bricklaying and pointing, RSJ installation, Roofing, Screeding, Stud walling, Plastering, Guttering/fascias and soffitts, Landscape gardening, Patios/Decking, fencing and Block paving I offer a hardworking and honest days work, at fair prices and an excellent finish.
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Latest review:
Bricklaying- 13 Nov 2023
Adrian was excellent on this job. He came had a look gave us a firm date and stuck to it even though it was a days job. On the job Adrians communication was simple and took everything we spoke about on board. job was done with no issues and site was left clean. Thanks Again Adrian.
PCHCARPENTRY
Rating: 5 out of 5
Extension Builder in Brentwood
I am experienced kitchen fitter with many years of experience, punctual, motivated, professional- high standards kitchen.
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Latest review:
Kitchen Fitting- 18 Oct 2022
If you need someone amazing to help install your kitchen, Przemek is the perfect guy for the job. He is absolutely brilliant at what he does, very precise, very communicative and super friendly. Not only did he do my kitchen, he also did extra things for me for which he didn’t take extra money. There were a couple of things that were wrong with the original kitchen design that was made for us, but Przemek picked up on these quickly and managed to tackle them really effectively and quickly. Another amazing thing is that if you choose Przemek, you won’t need to get a plumber or an electrician as Przemek does all of it, and he does it extremely well. I very very highly recommend Przemek for everyone.
Hassall Group LTD
Rating: 5 out of 5
Extension Builder in Brentwood
Welcome to Hassall Group, A principal building and landscaping company. We cover all aspects of Extensions, Conversions, Bricklaying, Carpentry, Plastering, Groundworks, and Roofing. We stand out with a commitment to precision and craftsmanship in every project. Our landscaping seamlessly blends aesthetics and functionality. Dedicated to customer satisfaction, we prioritize open communication, transparency. Hassall Group’ for your building journey, where excellence is guaranteed in every aspect.
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Latest review:
Landscaping- 13 Jun 2024
Work done: new retaining wall rebuilt about 900cm high. Two new steps leading onto the lawn built, patio re-grouted, existing garden wall, patio and front driveway power-washed. We are very happy and pleased with the work carried out by Matthew Hassall and his team. Our garden retaining wall had to be rebuilt after it had started leaning over due to work previously carried out by another company. The wall is now much stronger due to the depth of the wall at the foundations and reinforcing steel used to strengthen it. This was a highly involved job. Mathew and his team were punctual, polite and kept us informed of what he was doing at every step. We would highly recommend them.
c c builders
Rating: 4.9 out of 5
Extension Builder in Brentwood
i have recently finshed a extension and refurbishment on three bedroom bungalow making into five bedroom house with a one bedroom self contained flat doing most of the work myslef.
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Latest review:
Plastering- 23 Nov 2011
Very happy with Cliffs work, he is reliable, he did a great repair job and charged a fair price, will definately use him again.
Smart Design Construction
Rating: 4.7 out of 5
Extension Builder in Brentwood
Hello my name is sukh we do All Construction work. M professional in restoration and refurbishment full house Tiling and bathroom refurbishment , painting and decorating, plumbing All wood work like flooring, skirting,door frames and hang doors ,skimming plastering , Kitchen fit
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Latest review:
Bathroom Fitting- 5 Jul 2026
Good
Nabcon construction ltd
No reviews yet
Extension Builder in Brentwood
Nabcon Construction Building Trust, Crafting Quality. With 15 years of proven experience, Nabcon Construction delivers reliable, high-quality construction solutions on time and within budget. From residential to commercial projects, we turn visions into reality with expert craftsmanship, innovation, and integrity.
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Deep builders
No reviews yet
Extension Builder in Brentwood
Hi, my name is Deep, and I’m the founder of Deep Builders. With over 10 years of experience in the construction industry, I specialize in all types of building work, including: • Home Extensions • Loft Conversions • Full Renovations • General Building and Maintenance At Deep Builders, we pride ourselves on delivering high-quality workmanship, clear communication, and reliable service from start to finish—no shortcuts, no surprises. I’m a professional builder with extensive experience in all types of building work, including home extensions, loft conversions, full renovations, and general construction. I’m dedicated to delivering high-quality craftsmanship, reliable service, and results that truly transform homes. We proudly serve clients across London, Manchester, Luton, and surrounding areas, helping homeowners bring their vision to life—whether it’s expanding space, updating interiors, or transforming a property from the ground up.
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4TK
No reviews yet
Extension Builder in Brentwood
4TK is an business that specialises in design, project management and construction. We carry out domestic improvements, retail and internal projects and bespoke external building like garden offices, gyms, studios and annex’s.
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4.4

Top rated Extension Builders

Our Extension Builders in Brentwood, are rated 4.4 out of 5 based on 14 reviews from customers like you.

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

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

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

What are the hourly rates of extension builders in Brentwood?

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

Find extension builders in Brentwood with MyBuilder

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

Step 2: Compare different extension builders in Brentwood

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

Step 3: Hire Brentwood extension builders with confidence

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

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

What to ask a Brentwood extension builder before hiring?

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

An extension builder in Brentwood 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 Brentwood 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 Brentwood?

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 Brentwood 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 Brentwood 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 Brentwood

Can an extension builder in Brentwood help with planning permission?

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

Many Brentwood 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 Brentwood help with materials and finishes?

Yes, most extension builders in Brentwood 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.