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G Wager Building Maintenance
Bryn, SA13
G Wager Building Maintenance is a trusted extension builder serving customers in Bryn and the surrounding area. Contact us to today to get a compet...
"Loft conversion" - SA13, job posted 17/04/26
Cwtch Property Developments
Relax... you have found a reliable extension builder in Bryn. Cwtch Property Developments is a friendly and reliable company based in Bryn who cons...
Complete Building Contractors
Trusted and professional extension builder in Bryn. Experienced in all extension buildering work and keeping within budget and on quote. Complete B...
K.D.L Property Maintenance
Bryn, SA13
Need an Extension Builder in Bryn? K.D.L Property Maintenance has been helping local clients (20 mile radius) with their extension buildering jobs ...
Marin Hughes General Builders
Marin Hughes General Builders is a trusted extension builder serving customers in Bryn and the surrounding area. Contact us to today to get a compe...
SS BUILDER
Bryn, SA13
SS BUILDER are here to help customers who need an Extension Builder in Bryn. We offer a competitive rate to complete all your extension buildering ...
HALL & HARRIS CONSTRUCTION
Trusted and professional extension builder in Bryn. Experienced in all extension buildering work and keeping within budget and on quote. HALL & HAR...
Compare Bryn extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Port Talbot | £31 | £227 |
| Extension Builders near Maesteg | £38 | £283 |
| Extension Builders near Neath | £30 | £225 |
| Extension Builders near Pyle | £34 | £262 |
| Extension Builders near Neath Port Talbot | £31 | £224 |
| Extension Builders near Porthcawl | £33 | £252 |
| Extension Builders near Bridgend | £32 | £200 |
| Extension Builders near Swansea | £29 | £229 |
| Extension Builders near Rhondda | £31 | £206 |
| Extension Builders near Rhondda, Cynon, Taff | £31 | £209 |
Job estimates from extension builders near you
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.

Build a timber frame extension - £25,808

Garden office - £9,808

Granny annexe - £86,808

Build a flat roof extension - £21,808

Convert a Garage - £15,808

Hip to gable loft conversion - £41,808

Convert a bungalow loft - £28,808

Build a dormer loft conversion - £41,808

Build a swimming pool - £80,808

Build a Mansard loft conversion - £51,808

Concrete foundations - £6,058

Underpin a building - £17,308

Two storey extension - £87,712

Convert a basement - £35,340

Side return extension - £39,340

Loft conversion - £31,950

Garage - £18,308

Single storey extension - £51,160

Outbuilding - £9,808

Install an RSJ - £2,008

Build a kitchen extension - £41,808
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