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 9080 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 £30. Extension Builder rates vary with location. For example, G J Builders Wirral in Prenton charges from £31 per hour.
When hiring Extension Builders in the UK get multiple quote to compare prices and services.

Trusted, recommended Extension Builders
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" - KINGSTON-UPON-HULL, job posted 01/01/24
DW Brickwork
Trusted and professional extension builder in Wirral. Experienced in all extension buildering work and keeping within budget and on quote. DW Brick...
"Side return extension" - BLACKBURN, job posted 01/01/24
G J Builders Wirral
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion" - BRIGHTON, job posted 31/12/23
Danny Anderson Builder
Danny Anderson
Danny Anderson Builder is an established extension buildering business in Prenton. We come highly recommended and provide competitive quotes for yo...
"Loft conversion" - BELFAST, job posted 30/12/23
Power Construction
Power Construction is an established and experienced local extension builder in Drumgor. Please contact us for a free, no obligation quote and comp...
"Loft conversion Velux conversion" - MILTON KEYNES, job posted 29/12/23
T.I Building
T.I Building is a trusted extension builder serving customers in Ballinderry and the surrounding area. Contact us to today to get a competitive quo...
"Need to repair old up and above garage door...... drum missing from 1 side so it gets tilted while opening" - AL1, job posted 29/12/23
N W Doyle & Son
N W Doyle & Son is a trusted extension builder serving customers in Ballynahinch and the surrounding area. Contact us to today to get a competitive...
"Side return extension" - SALFORD, job posted 29/12/23
CAMS Construction
Relax... you have found a reliable extension builder in Falkirk. CAMS Construction is a friendly and reliable company based in Falkirk who consider...
"Loft conversion" - E4, job posted 29/12/23
LWH Builders
Relax... you have found a reliable extension builder in Ipswich. LWH Builders is a friendly and reliable company based in Ipswich who consider no j...
"Loft conversion" - BELFAST, job posted 29/12/23
PPM Builders
PPM Builders is a trusted extension builder serving customers in North East Ipswich and the surrounding area. Contact us to today to get a competit...
"Side return extension" - SWALE, job posted 28/12/23
from 400 to 410 of 9080
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.




















