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 £37. Extension Builder rates vary with location. For example, Renaissance Timothy Brewer Ltd in Tooting charges from £46 per hour.
When hiring Extension Builders in the UK get multiple quote to compare prices and services.

Trusted, recommended Extension Builders
Renaissance Timothy Brewer Ltd
Renaissance Timothy Brewer Ltd is an established extension buildering business in Tooting. We come highly recommended and provide competitive quote...
"Side return extension" - SOLIHULL, job posted 06/05/24
Mario Prajar Building Services
Mario Prajar Building Services is an established and experienced local extension builder in Rayners Lane. Please contact us for a free, no obligati...
"Removal of 3 walls and 3 RSJ installations to extend a kitchen. Need for a structual engineering consultation and building control approval since at least one wall will be load bearing." - BIRMINGHAM, job posted 05/05/24
H Plus Global Ltd
This business has not added a description yet.
"Side extension to extend a kitchen 250 cm width 511cm length knocking wall down with tiled roof and velux roof windows. Just looking for quotes for finish to the point where a new kitchen can be added" - SA2, job posted 04/05/24
Gps building.com Ltd
Daniel Greathead
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion" - PETERBOROUGH, job posted 04/05/24
Sunshine Builders Services
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Concrete foundation" - SUND, job posted 03/05/24
Deadsmooth Plastering & Building Co
Deadsmooth Plastering & Building Co is a trusted extension builder serving customers in Gloucester and the surrounding area. Contact us to today to...
"RSJ installation" - EAST RIDING, job posted 03/05/24
"Loft conversion - Small velux/roof light loft conversion in apartment in Castlefield area. Adding an extra bedroom, staircase and if possible a shower room. Help and advice on plans and buuilding regs etc would be preferred but not essential." - MANCHESTER, job posted 02/05/24
M C BUILDER (YORKSHIRE) LTD
M C BUILDER (YORKSHIRE) LTD is an established extension buildering business in Micklefield. We come highly recommended and provide competitive quot...
"Loft Dorma...roof don't need to be raised." - BIRMINGHAM, job posted 02/05/24
MAX CONSTRUCTION LTD
Need to find an Extension Builder near you for all your extension buildering work?
MAX CONSTRUCTION LTD provides a local, trusted extension...
"Roof don't need to be raided. Dorma at back with side." - BIRMINGHAM, job posted 02/05/24
OAKWOOD HOME SOLUTIONS
Kenny McMillan
OAKWOOD HOME SOLUTIONS is an established and experienced local extension builder in Dalkeith. Please contact us for a free, no obligation quote and...
"Loft conversion" - WOLVERHAMPTON, job posted 02/05/24
from 350 to 360 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.




















