Extension Builders in Knightsbridge

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 Knightsbridge

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Star building and construction ltd
Rating: 5 out of 5
Extension Builder in Knightsbridge
We have wide range of tradesmen available to carry out all different kind of jobs from Installing floors, building an extension, loft conversions, new builds and house renovations. We are dedicated to ensure that all our work meets the standards of our clients, hence why all our tradesmen are handpicked for each job. We thank you in advance for your consideration and welcome you to look through our portfolio. You
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Latest review:
New extension, kitchen, shower room, flooring, fiber glass roof, roof light, new electrics, plumbing, boiler installation, removal of chimney, rear patio, soakaway, painting and decorating Satnam has exceeded our expectations in carrying out the complete job to our satisfaction within the agreed time to a very high standard. We are extremely pleased with his work. Satnam helped us select good quality products from suppliers for much less cost than if we were to source them ourselves. He was honest, courteous, professional, flexible, open to changes and made suggestions to improve the overall look. He even passed on his builders' discounts to us. We highly recommend this ambitious young builder who has excelled in the trade. We wish Satnam and his team the very best.
Duo Builders Ltd
Rating: 5 out of 5
Extension Builder in Knightsbridge
Duo Builders offers customers a high end service for all domestic building works. Our highly qualified team undertake Design, Build and Maintenance works on residential property in London and the surrounding area. Our wide range of services allows our clients access to an efficient quality service.
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Latest review:
Conversions - General- 26 Dec 2021
Overall, Duo Builders is good and I would recommend for any build work. Pros: 1. Committed to work and informed when not coming on any particular day 2. Had manpower allowing to add more hands if needed 3. Reliable people and nice staff / Team of young members 4. Does and completes work that was planned and agreed Cons: 1. Job took a lot of time than estimated as it was not thoroughly thought how the earth would be moved 2. Very hard to hold off the owner, its important for the client to be stay connected and informed. 3. Bit messy and site gets put of shape than original
Excell building and construction ltd
Rating: 5 out of 5
Extension Builder in Knightsbridge
Our company is building reputation step by step and have the best recommendations from our clients.
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Latest review:
Yuriy was recommended by one of my close friends and I wasn't disappointed. Yuriy came up with creative solutions for us to stay on budget. The whole process went smoothly, was handled cleverly and delivered on time. I am happy to give my recommendations at any times.
HBO Projects Ltd
No reviews yet
Extension Builder in Knightsbridge
Here at HBO Projects we believe in quality, technical competence and customer care. We are a construction practice that has access to our own architectural and engineering advisors to ensure that works are always completed to the highest technical competence. Our workforce are time served and well qualified with a history of delivering exceptional work and the experience to ensure projects are well run and managed. We cover extensions, loft conversions and refurbishments.
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RENNO HOMES LTD
No reviews yet
Extension Builder in Knightsbridge
Welcome to Renno Homes, where we specialize in transforming living spaces to create the home of your dreams. Our dedicated team is committed to delivering high-quality renovations that reflect your unique style and needs. From concept to completion, we take pride in our attention to detail and our ability to handle every aspect of your project seamlessly. At Renno Homes, we prioritize customer satisfaction and strive to exceed your expectations. Whether you’re planning a small update or a complete transformation, we are here to guide you every step of the way. Contact us today for a consultation, and let’s bring your vision to life.
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EcoHouse Group Ltd
No reviews yet
Extension Builder in Knightsbridge
Hi We are EcoHouse Group Limited Company who will take care of all you project from A to Z if they small or big. We have outstanding reputation with proven record.
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S.H builders
Rating: 5 out of 5
Extension Builder in Knightsbridge
Over 10 years of experience in delivering bricklaying, roof works, guttering, driveways, patios, carpentry, extensions for costumers. We try to work around your budget and deliver the highest quality work. No job is too small.
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Latest review:
Tiling- 11 Mar 2022
I was extremely satisfies with the works completed, Shoaib and the team understood what I wanted and did the works on time as promised. Highly recommended
Quote Builders Ltd
Rating: 5 out of 5
Extension Builder in Knightsbridge
We specialise in residential and commercial construction, refurbishment and restoration. We also provide handyman and access solutions. We have a team of 12 CIS registered and qualified workers. We work on excellence and look to provide homeowners and commercial business owners the best job possible up to building regulations standards every time at a very competitive price. Based in the southeast region we look to target South East England.
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Latest review:
James and his team of builders (quote Builders) gutted and fitted our bathroom. James helped us to choose fixtures and fittings ( which we were grateful for especially as the recomended shower we chose is AMAZING ) We were extremely impressed with his workmanship and found him and his team to be very professional, reliable and punctual. We have received great comments when family and friends visit and see our new bathroom, and we have recommended quote Builders to them. Thank you James and his team. Definitely using them to remodel our kitchen.
INTERSTAR BUILDING CONTRACTORS LTD
No reviews yet
Extension Builder in Knightsbridge
Interstar Building Contractors was formed in 2005 with over 20 years of experience in supplying to quality services to the UK Construction industry. Our Staff have extensive knowledge of working within the Capital, and pride themselves on producing a top quality finishing within agreed time frames. We work extensively throughout London and South. For almost 10 years we have offered a wide range of construction services in London. We strive to maintain the highest standards while exceeding client’s expectations at all levels. We not only honor commitments, but we are known for meeting though deadlines while delivering nothing but the best. We aim to create a responsive client relationship that allows us to meet and even exceed the goals of each of our projects.
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S&s construction
Rating: 5 out of 5
Extension Builder in Knightsbridge
We can do , electric, plumbing, plastering , painting all building work
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Latest review:
It was a time challenge for me to move to newly purchased house as my rental agreement was due. I got Saby from personal reference. All home colour, wiring, removing old big boiler, water tank and rerouting of all pipe work. Roof repair , new two en suites construction, whole IKEA kitchen. He delivered as per our expectation and design in 8 weeks. No time waste and all material he arranged. I am very happy the way he professionally handled the work and delivered on time. I would recommend him. Make sure your design is ready and perfect. Discuss with him before start and avoid changes for best results.
A1
Rating: 4.8 out of 5
Extension Builder in Knightsbridge
Hi i m Gurlal singh We are available 24 hour
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Latest review:
Plumbing- 5 May 2025
On time and great work ethic would truly recommend
Jack Doyle
No reviews yet
Extension Builder in Knightsbridge
I am a qualified carpenter who has recently moved to London from New Zealand. In New Zealand I worked on high end architectural houses where every detail mattered and no corners were cut. From skirting and architraves to fixing doors and cabinetry there isn’t any job I can’t do. My work is of the highest quality and speed, no time wasted. While having experience in interior carpentry, I have also done plenty of landscaping works and can produce amazing outdoor areas for the summer.
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Finish Platinum Ltd
No reviews yet
Extension Builder in Knightsbridge
As Platinum Finish we are delighted to provide our customers the best service in construction and renovation
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CS GAS AND ELECTRIC
Rating: 4.6 out of 5
Extension Builder in Knightsbridge
As a fully qualified multi-trade professionals, We offer comprehensive building and renovation services across London. Our expertise spans gas, electrical, and construction work, backed by Gas Safe Registration and NICEIC certification. ## Services **Building & Construction** - Extensions and loft conversions - Bathroom renovations - Structural modifications - Carpentry and joinery **Gas & Electrical** - Boiler installations and servicing - Gas safety certificates - Full electrical installations - Rewiring and testing We handle projects of all sizes with the same dedication to quality and safety. My multi-trade expertise means efficient project management and seamless coordination of all aspects of your renovation. I'm fully insured, and all work comes with a guarantee. **Certifications** - Gas Safe Registered - NICEIC Approved - CSCS Card Holders For free quotes or to discuss your project, contact me today. We serve Hayes and surrounding areas, delivering reliable, professional service with attention to detail.
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Latest review:
Gas Work- 29 Jan 2026
Excellent job. Highly recommended. Thank you Avi and Mandeep 🙏
BlueCrownBuilders
Rating: 4.8 out of 5
Extension Builder in Knightsbridge
Hi My name is Satinder Singh @BLUECROWN BUILDERS LTD I am a specialist in variational constructional activities : Groundworks specialist (Drainage, Utilities, Concrete finishing, Kerbs, Edges Concrete slabs, Foundations) In house/ paint and decorating and house renovations Gardens Drives/patios Hedge cutting/trimming Clearances
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Latest review:
Garden Maintenance- 3 Jun 2025
Great job done for an overgrown garden, very clean work, took all the gardening waste with them and cleaned the patio and the lawn. Very polite man and never needed to explain the job after the first convo. Definitely recommend him, very humble and honest guy!
Unique Space Homes (London) Ltd
No reviews yet
Extension Builder in Knightsbridge
Unique Space Homes (London) Ltd specialises in extensions, full refurbishments and loft conversions, delivering a complete turnkey finish. We handle everything in-house — plumbing, electrics, tiling, kitchen fitting and all finishing trades, so homeowners have one point of contact from start to completion. With over 35 years’ experience, we focus on quality craftsmanship, clear communication and delivering an stress-free, high-standard result every time.
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4.1

Top rated Extension Builders

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

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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 Knightsbridge?

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

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

What are the hourly rates of extension builders in Knightsbridge?

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

Find extension builders in Knightsbridge with MyBuilder

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

Step 2: Compare different extension builders in Knightsbridge

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

Step 3: Hire Knightsbridge extension builders with confidence

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

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

What to ask a Knightsbridge extension builder before hiring?

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

An extension builder in Knightsbridge 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 Knightsbridge 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 Knightsbridge?

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 Knightsbridge 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 Knightsbridge 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 Knightsbridge

Can an extension builder in Knightsbridge help with planning permission?

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

Many Knightsbridge 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 Knightsbridge help with materials and finishes?

Yes, most extension builders in Knightsbridge 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.