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G Wager Building Maintenance is a trusted extension builder serving customers in Neath Port Talbot and the surrounding area. Contact us to today to...
Relax... you have found a reliable extension builder in Neath Port Talbot. Cwtch Property Developments is a friendly and reliable company based in ...
Evans Home Improvements are here to help customers who need an Extension Builder in Neath Port Talbot. We offer a competitive rate to complete all ...
Trusted and professional extension builder in Neath Port Talbot. Experienced in all extension buildering work and keeping within budget and on quot...
Need an Extension Builder in Neath Port Talbot? K.D.L Property Maintenance has been helping local clients (20 mile radius) with their extension bui...
Marin Hughes General Builders is a trusted extension builder serving customers in Neath Port Talbot and the surrounding area. Contact us to today t...
SS BUILDER are here to help customers who need an Extension Builder in Neath Port Talbot. We offer a competitive rate to complete all your extensio...
Trusted and professional extension builder in Neath Port Talbot. Experienced in all extension buildering work and keeping within budget and on quot...
A Room at the Top are here to help customers who need an Extension Builder in Neath Port Talbot. We offer a competitive rate to complete all your e...
From £87,724
Dale Hopkins is an established and experienced local extension builder in Neath Port Talbot. Please contact us for a free, no obligation quote and ...

Costs range from £87,364 (Cwtch Property Developments based in CF34) to £87,964 (HALL & HARRIS CONSTRUCTION based in SA11), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Neath Port Talbot | £31 | £224 |
| Two Storey Extension near Neath | £30 | £225 |
| Two Storey Extension near Maesteg | £38 | £283 |
| Two Storey Extension near Port Talbot | £31 | £227 |
| Two Storey Extension near Swansea | £29 | £229 |
| Two Storey Extension near Pyle | £34 | £262 |
| Two Storey Extension near Aberdare | £32 | £212 |
| Two Storey Extension near Rhondda, Cynon, Taff | £31 | £209 |
| Two Storey Extension near Gorseinon | £29 | £228 |
| Two Storey Extension near Rhondda | £31 | £206 |
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.

Underpin a building - £17,324

Two storey extension - £87,736

Build a timber frame extension - £25,824

Build a swimming pool - £80,824

Single storey extension - £51,480

Side return extension - £39,520

Install an RSJ - £2,024

Outbuilding - £9,824

Build a Mansard loft conversion - £51,824

Loft conversion - £32,100

Build a kitchen extension - £41,824

Hip to gable loft conversion - £41,824

Granny annexe - £86,824

Garden office - £9,824

Convert a Garage - £15,824

Garage - £18,324

Build a flat roof extension - £21,824

Build a dormer loft conversion - £41,824

Concrete foundations - £6,074

Convert a bungalow loft - £28,824

Convert a basement - £35,520