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 9078 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 £34. Extension Builder rates vary with location. For example, A.B Building Services Ltd in Greasby charges from £28 per hour.
When hiring Extension Builders in the UK get multiple quote to compare prices and services.

Trusted, recommended Extension Builders
ALG Renovations
ALG Renovations is a well established, trustworthy, reliable and professional operation with over 17 years experience myself in the trade, base...
"Side return extension" - BELFAST, job posted 31/01/24
Premier Estates Home & Gardens
Prompt .tidy .exspearianced.quality of work
"Loft conversion" - SCARBOROUGH, job posted 31/01/24
FLUID CONSTRUCTION
Need an Extension Builder in Chessington? FLUID CONSTRUCTION has been helping local clients (10 mile radius) with their extension buildering jobs f...
"Loft conversion" - BS23, job posted 29/01/24
GAB Design
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Side return extension" - LE1, job posted 29/01/24
A.B Building Services Ltd
Relax... you have found a reliable extension builder in Greasby. A.B Building Services Ltd is a friendly and reliable company based in Greasby who ...
"Loft conversion" - SOUTHALL, job posted 29/01/24
Robuild - Waterwise
Robuild - Waterwise is an established extension buildering business in New Brighton. We come highly recommended and provide competitive quotes for ...
"Loft conversion, velux, around 5x5m. Bathtub as well" - PL4, job posted 28/01/24
R J Property Maintenance & Repair
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Basement conversion" - IG8, job posted 28/01/24
PK.Builders
Need an Extension Builder in Oxton? PK.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
"Loft conversion" - OLDHAM, job posted 28/01/24
SJBuild Ltd
Sean Mooney
SJBuild Ltd is an established and experienced local extension builder in Bebington. Please contact us for a free, no obligation quote and competiti...
"Loft conversion" - GLASGOW, job posted 28/01/24
S.L.P Property Maintenance
Need to find an Extension Builder near you for all your extension buildering work?
S.L.P Property Maintenance provides a local, trusted ext...
"Loft conversion bathroom too" - LUTON, job posted 27/01/24
from 390 to 400 of 9078
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.




















