Extension builders in High Holborn, West London

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.6 (19 reviews)

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Some of our top rated extension builders in High Holborn, West London

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Visi contracts ltd
No reviews yet
Extension Builder in High Holborn, West London
I am involved in construction for over 20 years in general building from the littlest to the bigest job anything you want us to do in your home, house , or flat. No job to big or to small for us
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carvalho contract build
No reviews yet
Extension Builder in High Holborn, West London
Carvalho Contract Build is a professional building and refurbishment company specialising in carpet installation, laminate flooring, safety flooring and vinyl, renovations, finishing and general building services across UK
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Rocky
Rating: 4.8 out of 5
Extension Builder in High Holborn, West London
We are undertaken all type of work speacialist in brick work
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Latest review:
Groundwork & Foundations- 30 Oct 2026
Quickly and efficiently work done.
SW construction
No reviews yet
Extension Builder in High Holborn, West London
I have nearly 15 years experience and do all types of including plastering, carpentry, brickwork, plumbing, tiling and decorating
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Rolex Carpentry & Roofing
No reviews yet
Extension Builder in High Holborn, West London
Welcome to Rolex Carpentry & Roofing a company dedicated to providing the best possible service to its clients. We are a family owned and operated business and have provided quality construction services to our clients since 2002 We are skilled in all aspects of construction. We take pride in our workmanship and promise to provide you with the highest-quality finish on any project. We strive to make sure our customers are satisfied and that we exceed their expectations in every aspect possible
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Perpetual Growth Limited
No reviews yet
Extension Builder in High Holborn, West London
Hi there, I have over 20 years experience in building extensions, landscaping and bathroom refurbishments.
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OLIVEIRAS CONSTRUCTION LIMITED
No reviews yet
Extension Builder in High Holborn, West London
Oliveiras is a construction services provider, we serve companies, decorators, architects and clients in general with excellence. Oliveiras is made up of a team of qualified professionals. Oliveiras Construction offers excellence in work, bringing dignity, agility and commitment. Our professionals have unique skills, from foundation to finishing. We are always available to do whatever is necessary to evolve more each day, bringing what is most current on the market.
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ranjit
No reviews yet
Extension Builder in High Holborn, West London
We specialize in high-quality painting services for residential and commercial spaces. With attention to detail, reliable service, and top-grade materials, we transform interiors and exteriors to reflect your vision. Whether it’s a fresh coat or a full makeover, we’re committed to delivering flawless results on time and within budget.
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Krrashi Construction & Design LTD
No reviews yet
Extension Builder in High Holborn, West London
At Krrashi Construction Design, we specialise in premium patios and bespoke landscape maintenance, creating outdoor spaces that are both elegant and built to last. With a strong eye for detail and a commitment to high-quality craftsmanship, we transform gardens into refined, functional environments tailored to each client’s vision. From beautifully designed patios to meticulous ongoing maintenance, we deliver a reliable, professional service that ensures your outdoor space always looks its best.
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15304017 LTD
No reviews yet
Extension Builder in High Holborn, West London
Nova Maison Ltd specializes in all types of building and construction work, offering an end-to-end service with our dedicated -in-house team:In-House Architect & Structural Engineer: Seamless design, planning, and structural calculations. -Fully Qualified Electricians & Plumbers: Safe, certified installations and internal works. -Complete Building Services: Extensions, loft conversions, renovations, and new builds. By managing everything under one roof, we guarantee faster project timelines, reduced stress, and premium quality control. Contact us today to discuss your project.
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A&N Building Ltd
New on MyBuilder
Extension Builder in High Holborn, West London
Hi . We are team of builders with more than 20 yrs experience in building industry , specialised in , house extensions, loft conversions, fully refurbishment, driveways, patios etc etc Our priority is finishing the job at client’s satisfaction, always by following building regs, and quality requirements.
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ks thind builders ltd
No reviews yet
Extension Builder in High Holborn, West London
it's our family business.we do new build, rear and side extension,loft conversion and renovations, we have 16 years of experience in this trade of business.
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FAIZ Construction LTD
No reviews yet
Extension Builder in High Holborn, West London
FAIZ Construction Ltd is a Gas Safe registered company. We are qualified gas engineers and plumbers with full public liability insurance. Our team of experienced professionals delivers high-quality workmanship, reliable service, and a commitment to getting the job done right first time. Gas services: boiler installation, servicing, repairs, and safety checks. • Plumbing: installations, repairs, bathroom and kitchen plumbing, leak detection. • Emergency call-outs: rapid response for urgent gas or plumbing issues. • Maintenance and upgrades: system improvements, energy-efficient solutions, and compliance work. Gas Safe registered engineers; fully qualified and up to date with regulations. • Public liability insurance for your peace of mind. • Workmanship guarantee — we stand behind the quality of our work and resolve issues promptly. • Professional, hardworking team with years of hands-on experience and dedication. Please feel free to ask any questions or request a free quote. We respond quickly and can provide references and proof of qualifications on request.
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Knights roof Ltd
No reviews yet
Extension Builder in High Holborn, West London
Knights Roof specialises in top-quality roofing, loft conversions, and timber work. We’re fully insured, highly rated, and committed to clean, timely work on every job. Fast-track roofing service available – because your time matters. With a focus on lasting craftsmanship and customer satisfaction, we treat your home like our own. We don’t just build roofs—we build trust. Free quotes & honest advice—every time.
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J Hart
No reviews yet
Extension Builder in High Holborn, West London
I have 30 years experience in bricklaying I can cover all aspects in building works from extensions new build houses flats structural demolition steels land scaping walls driveways under pinning and drainage
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Bogdan
No reviews yet
Extension Builder in High Holborn, West London
I’m Bogdan I have 4 yers in carpentry and I’m looking for the details
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4.6

Top rated Extension Builders

Our Extension Builders in High Holborn, West London, are rated 4.6 out of 5 based on 19 reviews from customers like you.

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What types of services are offered by local extension builders in High Holborn, West London?

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 High Holborn, West London 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 High Holborn, West London who are available and interested can respond to your post.

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

What are the hourly rates of extension builders in High Holborn, West London?

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

Find extension builders in High Holborn, West London with MyBuilder

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

Step 2: Compare different extension builders in High Holborn, West London

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

Step 3: Hire High Holborn, West London extension builders with confidence

After gathering all the information and quotes from your chosen home extension builders in High Holborn, West London, 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.

High Holborn, West London extension builders are ready to help. Use MyBuilder today to find the right professional for your home extension.

What to ask a High Holborn, West London extension builder before hiring?

Before hiring an extension builder in High Holborn, West London or extension building company in High Holborn, West London, 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 High Holborn, West London?

An extension builder in High Holborn, West London 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 High Holborn, West London 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 High Holborn, West London?

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 High Holborn, West London 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 High Holborn, West London 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 High Holborn, West London

Can an extension builder in High Holborn, West London help with planning permission?

Yes, many extension builders in High Holborn, West London 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 High Holborn, West London handle everything from design to construction?

Many High Holborn, West London 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 High Holborn, West London help with materials and finishes?

Yes, most extension builders in High Holborn, West London 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.