How HaMuch saves you money
Post your job for free
We send your job to ALL WD4 extension builders
Compare quotes
Available extension builders in WD4 reply
Save Money
Select your affordable WD4 extension builder
Post your job
£55/hr
£305/day
Evolved Glazing Solutions Limited
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£47/hr
£302/day
M DUNNE BUILDER
M DUNNE BUILDER is a trusted extension builder serving customers in WD4 and the surrounding area. Contact us to today to get a competitive quote fo...
£40/hr
£258/day
Total Refurbishment & Build
Kings Langley, WD4
Trusted and professional extension builder in WD4. Experienced in all extension buildering work and keeping within budget and on quote. Total Refur...
£44/hr
£269/day
Evolution Building and Developments Ltd
Approved extension builder in WD4, covering 10 miles.
Whatever extension buildering work you need, including emergency repairs, hire a compe...
£46/hr
£296/day
S P B Watford Limited
Kings Langley, WD4
Approved extension builder in WD4, covering 10 miles.
Whatever extension buildering work you need, including emergency repairs, hire a compe...
£41/hr
£261/day
PM HOBBS BUILDING SERVICES
Need an Extension Builder in WD4? PM HOBBS BUILDING SERVICES has been helping local clients (10 mile radius) with their extension buildering jobs f...
£38/hr
£252/day
All Weather Roofing (Herts) LTD
King, WD4
Trusted and professional extension builder in WD4. Experienced in all extension buildering work and keeping within budget and on quote. All Weather...
Quickly find an Extension Builder in WD4
Use these steps to find Extension Builders in WD4 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in WD4. 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 WD4 Extension Builders or phone them directly - you’re in control!
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.

Build a timber frame extension - £26,224

Garden office - £10,224

Granny annexe - £87,224

Build a flat roof extension - £22,224

Convert a Garage - £16,224

Hip to gable loft conversion - £42,224

Convert a bungalow loft - £29,224

Build a dormer loft conversion - £42,224

Build a swimming pool - £81,224

Build a Mansard loft conversion - £52,224

Concrete foundations - £6,474

Underpin a building - £17,724

Two storey extension - £88,336

Convert a basement - £40,020

Side return extension - £44,020

Loft conversion - £35,850

Garage - £18,724

Single storey extension - £59,480

Outbuilding - £10,224

Install an RSJ - £2,424

Build a kitchen extension - £42,224
People in WD4 searching for a Extension Builder also viewed...
The Largest Database of UK Trade Rates
At HaMuch we know what tradespeople charge because we have the largest database of rates anywhere in the UK. If you want quotes for jobs at the right price for you, post your jobs with HaMuch and get your home improvements kickstarted straight away!