Extension Builders in Westminster

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.1 (17 reviews)

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Some of our top rated extension builders in Westminster

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Beacham Architects
No reviews yet
Extension Builder in Westminster
We help home owners extend and improve their homes to suit their needs and dreams. We are design-led and specialise in extensions, loft conversions and basements all around London with budgets of £50k-£400k. Good design improves lives and adds value, just ask our clients. Our extended team includes expert ARB registered architects, interior designers, structural engineers and party wall surveyors. Contact Mike for a tailored and customisable service quotation, the first consultation is free!
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K&B LTD Limited
No reviews yet
Extension Builder in Westminster
Over 10 years experience in Construction industry, For more information please message me THANK YOU.
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Agron Krasniqi
Rating: 5 out of 5
Extension Builder in Westminster
We are skilled builders with experience working on a number of residential projects at different sizes with high accountability. Vast experience in Loft Conversions, Extensions , driveways ,patios , bathrooms, full refurbishments. We also plan and design We are also fully qualified and highly experienced in electrical and plumbing with over 20 years of experience. Our aim is to grow and customer satisfaction is our top priority.
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Latest review:
Excellent communication. Competitive price from Agron They undertook our plumbing to include Central heating, underfloor heating and electrical work. They listened to our needs, very professional and accommodating. I would recommend Agron and his team to anyone looking for similar work. The overall finish was to an excellent standard.
Builders of London Ltd
New on MyBuilder
Extension Builder in Westminster
Services – Builders of London LTD General Building Services * New builds * Property renovations * Full house refurbishments * Structural alterations * Internal and external building works * General construction projects * Property maintenance and repairs Extensions & Conversions * House extensions * Rear extensions * Side return extensions * Double-storey extensions * Loft conversions * Garage conversions * Basement conversions Kitchen & Bathroom Services * Kitchen fitting and installation * Bespoke kitchen renovations * Bathroom installation * Wet rooms * Plumbing and tiling * Bathroom refurbishments Carpentry & Joinery * First fix carpentry * Second fix carpentry * Bespoke joinery * Doors and frames * Flooring installation * Staircases * Wardrobes and storage solutions Flooring & Interior Finishes * Hardwood flooring * Laminate flooring * Vinyl flooring * Tiling * Painting and decorating * Plastering and rendering * Drylining Electrical & Plumbing * Electrical installations * Rewiring * Lighting installation * Fuse board upgrades * Plumbing services * Heating systems * Underfloor heating Roofing & Exterior Work * Roofing repairs * New roof installations * Flat roofs * Guttering and fascias * Brickwork * Repointing * External rendering * Exterior painting Outdoor & Landscaping * Garden landscaping * Patios and paving * Driveways * Fencing * Decking * Outdoor structures Commercial Services * Office refurbishments * Shop fitting * Commercial maintenance * Commercial renovations Specialist Services * Project management * Design and build * Custom construction solutions * Insurance repair works * End-of-tenancy refurbishments
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Civiltech
No reviews yet
Extension Builder in Westminster
We pride ourselves for delivering work collaboratively to a high standard, in the agreed time frame and budget with full transparency and safely.
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Bujar Vata
Rating: 5 out of 5
Extension Builder in Westminster
I am in the building business for 15 years I have worked all around London specially in the City I have registered myself on Mybuilders.com so I can get job around my area.
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Latest review:
Tiling- 7 Jun 2026
Amazing job and a brilliant team of tradespersons. An excellent job of the herringbone tile flooring with underfloor electric heating for the whole of my downstairs. The wall panels also complemented the flooring and were installed perfectly. Well done to Bujar and his team!
PRO-TECH BUILDING SOLUTIONS LTD
No reviews yet
Extension Builder in Westminster
PRO-TECH Building Solutions LTD undertakes a wide variety of refurbishment and renovation services. We provide a range of construction and renovation services in London area. We are renovation contractor specializing in residential refurbishment, building construction and internal reconfiguration services. We guarantee you'll be extremely satisfied with the result. With decades of experience in building, our skilled team has the know-how to create your perfect home. We offer a wide range of services to meet every type of projects. Book an appointment at a time to suit you and we will look at your refurbishment requirement and provide a free no obligation quotation
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Arsen.Peposh
No reviews yet
Extension Builder in Westminster
I’m working for 10 yers in construction handyman and extension job gardening paving and roofing work
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CapitalFix Construction
Rating: 5 out of 5
Extension Builder in Westminster
Essex based construction company. Over 22 years of trade experience. No job too big or small! -Extensions -Loft conversions -Brickwork -Driveways -Landscaping -Renovations Simple. Honest. Building.
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Latest review:
Bricklaying- 5 Sep 2023
Unbelievable work, hard working. And helpful every step off the way would highly recommend!!
Calibra damp proofing LTD
No reviews yet
Extension Builder in Westminster
Welcome to Calibra we are a family run company specialising in architectural services , damp proofing , general building & a bespoke design and build services all these services under one roof to bring you a seamless service you will be sure to recommend
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JLW brickwork
Rating: 4.9 out of 5
Extension Builder in Westminster
We are a well experienced bricklaying company with more than 15 years experience on site. We are looking to undertake works such as garden walls, repairs,re-pointing and complete new builds. What sets us apart is our attention to detail, and going that extra mile to make sure it's a job well done.
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Latest review:
Bricklaying- 16 May 2024
Junior done a great job of the little front wall that he built. Exactly what we wanted. We will use Junior again if we have any further jobs in the future.
Domestic maintenance Services
No reviews yet
Extension Builder in Westminster
I have been in the building trade since 1990 . I have undertaken almost all there is in the building trade. If I get stuck I have people in all trades that could help out at no extra cost.
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Adrian Kotynia
No reviews yet
Extension Builder in Westminster
London based company specialising in building extension works
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Tmbl carpentry ltd
No reviews yet
Extension Builder in Westminster
Tmbl carpentry ltd. We are a small carpentry company specialising in kitchen fitting, loft conversion and extension and all aspects of home development. Our otherside of the business we do commercial fitouts. Office interiors, property maintenance, shop fitouts. We have a over 50 years of combined experience in construction and can provide a multi trade team to cater for all domestic and commercial projects.
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D&M CONSTRUCTION BRO. LTD
No reviews yet
Extension Builder in Westminster
Over the 25 years D&M Construction Bro. Ltd has grown the business working for clients across London, who only demand the highest level of workmanship and service.Our best domain is quality and trust. Whether you are looking for profesional company to build extension, conversion, full refurbishment or bespoke new build home, we are here to help.
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MM&S Builders ltd
No reviews yet
Extension Builder in Westminster
Remodelling or renovating your kitchen, bath, or home is serious business – it can not only boost your property's market value and curb appeal, but it can also, more importantly, add to your overall comfort and happiness. After all, who wouldn't want a little extra room or living space? With over 15 years of experience in the industry, we can handle all kinds of building work. We can help you not just with kitchen and bath remodelling, but loft conversions, roofing, and all kinds of home extensions as well. With my expertise and vast experience, I can offer advice and let you know what might be the best approach to your home project. I’m We always complete our jobs properly from the start to finish. Our remodelling or renovation projects commonly involve adding or removing walls and doors, hardwood or concrete floor installations or replacements, roofing, room extensions, and more. At the end of each job, we make sure everything is clean and tidy. Please take a look at some photos of our more recent jobs on my profile. Do get in touch so we can schedule a site visit as well as discuss the next steps for your home project. I look forward to hearing from you.
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4.1

Top rated Extension Builders

Our Extension Builders in Westminster, are rated 4.1 out of 5 based on 17 reviews from customers like you.

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

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

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

What are the hourly rates of extension builders in Westminster?

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

Find extension builders in Westminster with MyBuilder

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

Step 2: Compare different extension builders in Westminster

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

Step 3: Hire Westminster extension builders with confidence

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

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

What to ask a Westminster extension builder before hiring?

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

An extension builder in Westminster 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 Westminster 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 Westminster?

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 Westminster 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 Westminster 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 Westminster

Can an extension builder in Westminster help with planning permission?

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

Many Westminster 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 Westminster help with materials and finishes?

Yes, most extension builders in Westminster 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.