Find affordable extension builders
- Trusted, recommended Extension Builders
- Prices for extension builders in the UK
- Find a local builder who can convert your loft or build a side return extension at a great price
- Find out how much extension builder jobs cost
| Low | Average | High |
|---|---|---|
| £13 | £34 | £68 |
| Average hourly rate of 9082 extension builders in the UK excluding VAT or callout charge | ||
Extension Builders in the UK. The average hourly rate of the 10 Extension Builders listed is £41. Extension Builder rates vary with location. For example, Fearnville Driveways in Fearnville charges from £27 per hour.
When hiring Extension Builders in the UK get multiple quote to compare prices and services.
Trusted, recommended Extension Builders
AAConcepts
Arshad Ali
We are a Design and Build company based in Hampshire. Proud of our roots, we try to be the very best in the way we go about our business. Friendly...
"Knock kitchen wall down and Install an RSJ" - M33, job posted 09/05/25
Fearnville Driveways
Trusted and professional extension builder in Fearnville. Experienced in all extension buildering work and keeping within budget and on quote. Fear...
"Need an extension builder" - CB8, job posted 09/05/25
Watertight Roofing Leeds
Need an Extension Builder in Armley, Leeds? Watertight Roofing Leeds has been helping local clients (20 mile radius) with their extension builderin...
"Want to build a outbuilding 6meters by 4 meters with brick fibre roof 1 double glazing door 1 glazing window will need to do electrics to the outhouse fit in lighting and plug sockets" - HESTON, job posted 08/05/25
Slick Construction Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Slick Construction Ltd provides a local, trusted extensi...
"Need an extension builder" - CV4, job posted 08/05/25
RTC Plumbers
Shaik Jamal
Welcome to RTC Plumbers! With over 15 years of experience, we offer a range of plumbing services from simple repairs to complex installations, each...
"Need an extension builder" - RG30, job posted 08/05/25
Property Maintenance Solutions
Robert Mitchell
Relax... you have found a reliable extension builder in Tyn-y-gongl. Property Maintenance Solutions is a friendly and reliable company based in Tyn...
"RSJ installation" - SLOUGH, job posted 07/05/25
The Philog Paving Services
The Philog Paving Services is an established extension buildering business in Rhiwbina. We come highly recommended and provide competitive quotes f...
"Granny annexe" - THANET, job posted 07/05/25
Chapman Builders
Experienced extension builder ready to quote for your work. Chapman Builders is the best extension builder in Ely. No obligation free quotes and ma...
"Loft conversion" - TW14, job posted 07/05/25
Rafix Building
Rafal Szczepanski
Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...
"Garage conversion" - ME7, job posted 07/05/25
Luxuria Property Ltd
From 2007 – 2015 David Rudelhoff (Founder and Director) was the Property Manager for a high profile, high net worth family. During that time, in ...
"Need an extension builder" - LIVERPOOL, job posted 06/05/25
from 190 to 200 of 9082
Find out how much extension builder jobs cost
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.
