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G Wager Building Maintenance is a trusted extension builder serving customers in Tonna and the surrounding area. Contact us to today to get a compe...
Relax... you have found a reliable extension builder in Tonna. Cwtch Property Developments is a friendly and reliable company based in Tonna who co...
Evans Home Improvements are here to help customers who need an Extension Builder in Tonna. We offer a competitive rate to complete all your extensi...
Trusted and professional extension builder in Tonna. Experienced in all extension buildering work and keeping within budget and on quote. Complete ...
Need an Extension Builder in Tonna? K.D.L Property Maintenance has been helping local clients (20 mile radius) with their extension buildering jobs...
Marin Hughes General Builders is a trusted extension builder serving customers in Tonna and the surrounding area. Contact us to today to get a comp...
SS BUILDER are here to help customers who need an Extension Builder in Tonna. We offer a competitive rate to complete all your extension buildering...
Tonna, SA11
Trusted and professional extension builder in Tonna. Experienced in all extension buildering work and keeping within budget and on quote. HALL & HA...
A Room at the Top are here to help customers who need an Extension Builder in Tonna. We offer a competitive rate to complete all your extension bui...
From £41,816
Dale Hopkins is an established and experienced local extension builder in Tonna. Please contact us for a free, no obligation quote and competitive ...

In Tonna, prices for dormer loft conversions range from £41,576 (Cwtch Property Developments based in CF34) to £41,976 (HALL & HARRIS CONSTRUCTION based in SA11), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in Tonna. Post your job on HaMuch now and we'll put you in touch with available extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Neath Port Talbot | £31 | £224 |
| Build A Dormer Loft Conversion near Neath | £30 | £227 |
| Build A Dormer Loft Conversion near Port Talbot | £31 | £227 |
| Build A Dormer Loft Conversion near Maesteg | £38 | £283 |
| Build A Dormer Loft Conversion near Swansea | £29 | £230 |
| Build A Dormer Loft Conversion near Pyle | £34 | £262 |
| Build A Dormer Loft Conversion near Gorseinon | £29 | £229 |
| Build A Dormer Loft Conversion near Aberdare | £32 | £212 |
| Build A Dormer Loft Conversion near Porthcawl | £33 | £252 |
| Build A Dormer Loft Conversion near Bridgend | £32 | £200 |
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