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, Moores Roofing in Eye, Peterborough charges from £35 per hour.
When hiring Extension Builders in the UK get multiple quote to compare prices and services.

Trusted, recommended Extension Builders
RBAM Construction Ltd
Trusted and professional extension builder in Peterborough. Experienced in all extension buildering work and keeping within budget and on quote. RB...
"Loft conversion" - LUTON, job posted 27/08/24
Moores Roofing
M Moore
Trusted and professional extension builder in Eye, Peterborough. Experienced in all extension buildering work and keeping within budget and on quot...
"Side return extension" - THANET, job posted 27/08/24
24 7 BUILDING SOLUTIONS LTD
Sarah Godwin
24 7 BUILDING SOLUTIONS LTD is a trusted extension builder serving customers in Downend and the surrounding area. Contact us to today to get a comp...
"Loft conversion" - KINGSTON-UPON-HULL, job posted 27/08/24
R & R Roofing Guildford
Russell Worcester
R & R Roofing Guildford are here to help customers who need an Extension Builder in Byfleet. We offer a competitive rate to complete all your exten...
"I need a quote for RSJ installation under the chimney breast in living room" - S73, job posted 26/08/24
Symmetry Design And Build
Symmetry Design And Build is a trusted extension builder serving customers in Southville and the surrounding area. Contact us to today to get a com...
"Two bedroom and a bathroom dormer loft conversion" - BIRMINGHAM, job posted 25/08/24
Cullimore Renovations
Trusted and professional extension builder in Southville. Experienced in all extension buildering work and keeping within budget and on quote. Cull...
"Loft conversion Hello, I am interested/looking into a loft conversion. Would like a room + bathroom. Would like to see if its possible with current space and how much it would cost, aswell as a time estimate of completion. Thanks" - LUTON, job posted 24/08/24
B ROBINSON BUILDING
B ROBINSON BUILDING is an established and experienced local extension builder in Brentry. Please contact us for a free, no obligation quote and com...
"Single story extension , single room with loft and bathroom width of house and 3-4 depth for studio for in law" - TQ1, job posted 24/08/24
Extend Rite Ltd
Trusted and professional extension builder in Eccleshill. Experienced in all extension buildering work and keeping within budget and on quote. Exte...
"I need to repair bays as its crumbling I don't know how to describe if you come and see what I mean. Avtar" - E12, job posted 24/08/24
Chim Me Sweep Chim Me Build
Need to find an Extension Builder near you for all your extension buildering work?
Chim Me Sweep Chim Me Build provides a local, trusted ex...
"Single storey Kitchen extension 4-6m" - DA1, job posted 24/08/24
DILCONSI CONSTRUCTION
Relax... you have found a reliable extension builder in Woking. DILCONSI CONSTRUCTION is a friendly and reliable company based in Woking who consid...
"Loft conversion looking for quotes for a loft conversion to include stairs, x2 bedrooms, storage and potentially a bathroom" - BEDFORDSHIRE, job posted 23/08/24
from 310 to 320 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.




















