Extension Builders in Marylebone, West London

Name: Extension Builder
Brand: MyBuilder
SKU: extension-builder
Rating: 4.2 (19 reviews)

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Some of our top rated extension builders in Marylebone, West London

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Antonio Abreu
No reviews yet
Extension Builder in Marylebone, West London
I have been working in construction for 20 years. I first started as a Carpenter did my NVQ Level 2 then worked for a company fitting kitchens and bathrooms for 2 years. After that started working on my own and then build a small team. We now specialise in lofts, extensions, full house refurbishment, kitchen fitting bathroom fitting and decorating. We are very professional, very easy to work with, and have loads of excelent references.
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ETMOND
No reviews yet
Extension Builder in Marylebone, West London
M&Q Plastering . Hi my name is Etmond , I'm a new member on this platform, but I bring over 13 years of experience in plastering, rendering, and decoration. I'm a family-oriented person who takes great pride in my work. I always aim to deliver the highest quality and best results for every job I take on. If you have any work that needs doing, please feel free to contact me — I’d be happy to help!
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4 brothers brickwork
No reviews yet
Extension Builder in Marylebone, West London
We are a professional bricklaying company determined to offering our clients the utmost quality at competitive rates. Our projects include both new construction and repairs/restorations. From a wall to a new build project. No job is too small.
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NL property maintenance
No reviews yet
Extension Builder in Marylebone, West London
Carpenter,handyman
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Singh Brothers Construction & Developments Ltd
New on MyBuilder
Extension Builder in Marylebone, West London
Singh Brothers Construction & Developments Ltd is a family-run construction company delivering high-quality building, refurbishment, and development services across the UK. We specialise in residential and commercial projects, offering reliable workmanship, transparent communication, and a commitment to excellence from concept to completion. Our Services - Residential Construction - Commercial Construction - Property Developments - Refurbishments & Renovations - Shopfitting & Fit-Outs - Extensions & Structural Work Our Values - Integrity: Honest communication and transparent pricing - Quality: High-standard workmanship - Safety: Zero-compromise safety culture - Reliability: On time, every time - Family: Built on trust and long-term relationships Why Choose Us - Experienced, hands-on leadership - Family-run with strong values - End-to-end project management - High-quality finishes and attention to detail - Trusted by homeowners and businesses across the UK
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M.R.Building
Rating: 4.1 out of 5
Extension Builder in Marylebone, West London
We are team of professional builders from Croydon, Surrey. We always work hard and unless client are pleased. Our knowledge and planning giving you real savings without compromise on quality. Projects are always done to top quality and on time..
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Latest review:
Extensions- 15 Nov 2017
NEVER USE Got on well at the start - worked very hard with all his team and we were very please with progress until he went on holiday and haven't been able to contact him since beginning of August. We have been left with no end of problems including basicially re-wiring all of what we had paid for, 2 fireplaces not working, patio and drive not finished and all paid for
LBO Construction Ltd
No reviews yet
Extension Builder in Marylebone, West London
All building work
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Open4way Ltd
No reviews yet
Extension Builder in Marylebone, West London
Open4way Ltd experienced in general construction,painting,decorating,gardening,block paving,slabs,fencing,cleaning paving with high water pressure,guttering.We have the ability to complete any job,large or small to a very high standard. We are happy to give you a free quote.
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BOZTECH Building Services and Construction Limited
No reviews yet
Extension Builder in Marylebone, West London
Hi this is Josh.
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Skyway construction ltd
Rating: 5 out of 5
Extension Builder in Marylebone, West London
I am working in construction from 15 years . I have a good and experience team. I recently renovated the 3 bedroom house with a 6 meter back extension. I mostly do loft conversion, back extension, renovate the old house , back garage etc.
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Latest review:
Handyman- 22 Jan 2018
Saravjeet was excellent throughout both in his communication and flexibility with the number of small jobs that we needed completing throughout the house including repairing our kitchen cabinets, garden fence and electrics. I would recommend his services wholeheartedly.
Avion Homes Limited
Rating: 5 out of 5
Extension Builder in Marylebone, West London
Avion Homes Limited specialises in residential new builds, extensions, refurbishments, and bespoke self-build projects across Essex, West Kent, and surrounding areas. With years of experience managing residential developments for major nationwide housebuilders, we deliver high-quality construction with a strong focus on workmanship, organisation, and reliability from start to finish. Our services include: • Residential New Builds • Property Extensions • House Refurbishments • Self-Build Projects • Construction Management As an FMB member and TrustMark registered company, we are committed to delivering professional, compliant, and well-managed construction projects for homeowners, investors, and developers.
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Arisha services ltd
Rating: 5 out of 5
Extension Builder in Marylebone, West London
I am gas safe register by qualification, and undertake most of heating and plumbing jobs. Which can be megaflo, new installation of boilers and repairs. I have skills to lay any type of floorings. I have been in the trade over 6 years and take on extention, conversions of lofts, renovations, bathroom, kitchens, tilling, skimming, painting. I can do decking, polycarbonated sheets, glassfiber roofs, sheds, screeding, concreting. I would cover most of building work.
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Latest review:
Good manners and workmanship I will definitely use your services again Thanks Man
Vikram
Rating: 5 out of 5
Extension Builder in Marylebone, West London
Vikram building works is a building firm that primarily focus on renovation and refurbishment, house extensions , bathroom fittings, kitchen fittings . Our main aims are delivering quality service on time and at consequences of our client. Satisfaction of clients is always our priority .
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Latest review:
Bathroom Fitting- 2 Feb 2026
Vikram is a very hardworking man that takes great pride in his work. He is very accommodating and always put our wishes first. From start to finish we had no issues and hope to hire him again in the future.
TSA Global Ltd
No reviews yet
Extension Builder in Marylebone, West London
TSA Construction specilaise in a wide variety of building projects in London and the home counties. From property renovation and maintenance to new design and build we provide a one stop shop for all things building related. Our team has over 20 years of experience of working in the building and construction industry.
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BRMP Limited
No reviews yet
Extension Builder in Marylebone, West London
We have been in the construction business for over 20 years. We take on extensions, conversions and new builds. We also renovate and maintain property.
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Eastern Star Construction LTD
No reviews yet
Extension Builder in Marylebone, West London
I’m running a building company that undertakes building work such as loft conversion, rear extension, new bathrooms, kitchen, porch, driveway etc, my team has over 30year experience, it’s family business.
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4.2

Top rated Extension Builders

Our Extension Builders in Marylebone, West London, are rated 4.2 out of 5 based on 19 reviews from customers like you.

Quality screening

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What types of services are offered by local extension builders in Marylebone, 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 Marylebone, 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 Marylebone, West London who are available and interested can respond to your post.

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

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

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

Find extension builders in Marylebone, West London with MyBuilder

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

Step 2: Compare different extension builders in Marylebone, West London

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

Step 3: Hire Marylebone, West London extension builders with confidence

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

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

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

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

An extension builder in Marylebone, 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 Marylebone, 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 Marylebone, 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 Marylebone, 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 Marylebone, 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 Marylebone, West London

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

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

Many Marylebone, 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 Marylebone, West London help with materials and finishes?

Yes, most extension builders in Marylebone, 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.