Find affordable extension builders near W10
- Local extension builders W10
- Job estimates from extension builders near you
- Local Extension Builders in London Boroughs
| Low | Average | High |
|---|---|---|
| £5 | £38 | £65 |
| Average hourly rate from 127 extension builders in W10 ex VAT or callout | ||
Average W10 extension builder hourly rate is £37
Range from the cheapest, mostly independent, £30 per hour and £229 per day (Right Build Group) to the dearest, normally the best, £39 per hour and £243 per day (G-something London).
Comparing hourly and daily rates of extension builders gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Click 'Get quotes' and describe your job and we will send it to your local extension builders for FREE.

Local extension builders W10
CUBIC Studios Limited
13 Hewer Street, London, Greater London W10
£37/hour
£231/day
Need to find an Extension Builder near you for all your work?
CUBIC Studios Limited provides a local, trusted service in and around W10. Homeowners and landlords choose us for our excellent knowledge, experience and reliability plus reasonable call-out fees if applicable and no obligation quotes.
"Side return extension"
JONATHAN, NW10
EYKING
£37/hour
£231/day
Trusted and professional extension builder in W10. Experienced in all work and keeping within budget and on quote. EYKING have many happy customers in W10, testimonials available.
"We have a long list of customers that need only a builder that can fit conservatory. We don’t need supplier. Please contact us if you can help. Thanks "
RACHEL, NW10
G-something London
Greater London W10
£39/hour
£243/day
Extension Builder in Greater London, W10. Working within a 5 mile radius.
g-something is a London based design and build company dedicated to creating beautiful residencies and commercial spaces. Founded by Joelle Talmasse and Martyn Gayle, who's approach is defined by their vision and straightforward design concepts. I...
"Loft conversion"
W12
Staunch And Flow Limited
£37/hour
£236/day
Extension Builder in Kensington Greater london, W10. Working within a 5 mile radius.
Staunch and Flow is a small, experienced, and cost-effective London-based plumbing/heating engineering firm. We specialise in kitchen and bathroom refurbishment. Our staff are punctual, respectful and are known for their depth of knowledge, going ...
"Flat roof extension for a period mews terraced house. We'd like a bedroom extension with full bathroom and a roof top terrace. Footprint is roughly 8.5m x 6m."
JAMES, W6
K & S
London W10
£39/hour
£243/day
Extension Builder in London, W10. Working within a 5 mile radius.
At K&S Interiors Ltd, we offer complete interior and exterior specialising in full home or office refurbishment to clients in Kensington, Chelsea and across London. Using the finest quality products, we ensure that all our projects are completed o...
"Mansard loft conversion"
SHEPHERD'S BUSH
Marijana Debelic - Goldborne Design Ltd
£37/hour
£231/day
Marijana Debelic - Goldborne Design Ltd is an established and experienced local extension builder in W10. Please contact us for a free, no obligation quote and competitive rates. Covering a 5 mile radius.
Yeo Design
332 Ladbroke Grove, Greater London W10
£37/hour
£231/day
Extension Builder in W10, W10 covering a 5 mile radius.
Experienced Extension Builder ready to quote for your work. Yeo Design is the best Extension Builder in W10. No obligation free quotes and many happy customers.
Tiptoe Design & Build
London, Greater London W10
£37/hour
£231/day
Tiptoe Design & Build are here to help customers who need an Extension Builder in W10. We offer a competitive rate to complete all your jobs to professional standards.
Robert & Sons
Surrey W10
£39/hour
£243/day
Extension Builder in Surrey, W10. Working within a 5 mile radius.
Start to finish solutions for every build, renovation and interior design project. We take on projects in Lithuania, England (UK) and Russia.
Axis Renovations Ltd
£37/hour
£236/day
Extension Builder in W10, W10.
Need an Extension Builder in W10? Axis Renovations Ltd has been helping local clients (5 mile radius) with their jobs for many years. Get a quote today.
Right Build Group
£30/hour
£240/day
Extension Builder in LONDON, W11. Working within a 5 mile radius.
Right Build Group is a professional company for high- quality building services on the highest standard of performance in London.
The company provides many types of services specially selected to satisfy each of our custome...
Francor Ltd
£36/hour
£229/day
Francor Ltd are extension builders in W10 who work within a 5 mile radius. Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in W10 and testimonials.
One L Building Services
£37/hour
£231/day
Extension Builder in W10, W11 covering a 5 mile radius.
Experienced Extension Builder ready to quote for your work. One L Building Services is the best Extension Builder in W10. No obligation free quotes and many happy customers.
Baes design ltd
£39/hour
£243/day
Baes design ltd are extension builders in W10 who work within a 5 mile radius. Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in W10 and testimonials.
Translucent Studio
£39/hour
£243/day
Extension Builder in London, W11. Working within a 5 mile radius.
As an architectural designer my work incorporates architectural layout and design, structure, material finishes, soft furnishings and garden layout. I generally specialise in high end residential projects, in particular holiday homes, but I've a...
MRJ Building Services
£37/hour
£236/day
Extension Builder in W10, W11. Working within a 5 mile radius.
MRJ Building Services is an established business in W10. We come highly recommended and provide competitive quotes for your work.
Hearts Construction Ltd
£39/hour
£243/day
Need to find an Extension Builder near you for all your work?
Hearts Construction Ltd provides a local, trusted service in and around W10. Homeowners and landlords choose us for our excellent knowledge, experience and reliability plus reasonable call-out fees if applicable and no obligation quotes.
Pro Fast Build
£39/hour
£243/day
Extension Builder in City Of Westminster Greater London, W1. Working within a 5 mile radius.
Pro Fast Build Ltd. is a well established building company specialising in all areas of building work – interior and exterior. We are the best choice if you are looking for quality builders for a new build house, refurbishment work, a house exte...
Quickly find an Extension Builder in W10
Use these steps to find Extension Builders in W10 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in W10. We’ll notify you via text or email when an Extension Builder is available to quote.
- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local W10 Extension Builders or phone them directly - you’re in control!
The most important thing is do avoid handing over cash or paying large sums in advance. Be wary of paying cash for a cheaper job, i.e. to avoid VAT, you may be going down a slippery slope of not doing things properly which may eventually mean your job is also not done properly.
Agree when you intend to pay, ideally after you are satisfied with the completed job. If it is a big job agree a schedule of staged payments which is fair to both parties.
To avoid bad tradespeople and to ensure you can find them should they not answer a mobile;
- Get proper contact details and check them yourself
- Check if the company is verified on the Companies House website
- Get phone details, ideally a land line or 0800 number and check it
- Get a physical office address
Get quotes in writing by email or in person if possible. Getting quotes online or by text is ok (make sure you accept the offer by replying). For large projects make a written agreement, schedule of works and snagging plans as part of a working document. Also;
- Agree expected quality of workmanship and materials in advance
- When will work start and when will project be finished, what happens if project over runs ?
- How long is the guarantee on work and materials eg 12 months
- Discuss onsite behaviour in advance (no smoking, swearing or using mobile phones for non-work purposes)
- Agree that your Extension Builder will remove all debris and rubbish and what level of tidying up you want after job
Local Extension Builders in London Boroughs
Job estimates from extension builders near you
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Timber frame extension - £25,904

Garden office - £9,904

Granny annexe - £86,904

Flat roof extension - £21,904

Garage conversion - £15,904

Hip to gable loft conversion - £41,904

Bungalow loft conversion - £28,904

Dormer loft conversion - £41,904

Swimming pool - £80,904

Mansard loft conversion - £51,904

Concrete foundation - £6,154

Underpinning - £17,404

Two storey extension - £87,856

Basement conversion - £36,420

Side return extension - £40,420

Loft conversion - £32,850

Garage - £18,404

Single storey extension - £53,080

Outbuilding - £9,904

RSJ installation - £2,104

Kitchen extension - £41,904
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