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Select your affordable Dorchester extension builder
WEYMOUTH ROOFING CO. is an established and experienced local extension builder in Dorchester. Please contact us for a free, no obligation quote and...
From £43,660
Need to find an Extension Builder near you for all your extension buildering work?
J FLANN BUILDING & MAINTENANCE provides a local, trusted...
From £40,330
Dorchester, DT1
Steven Clark Building Services is an established and experienced local extension builder in Dorchester. Please contact us for a free, no obligation...
From £41,860
Design Properties & Renovations is an established and experienced local extension builder in Dorchester. Please contact us for a free, no obligatio...
From £47,530
Our building services company Roofix and Build Ltd have twenty years experience of helping customers in Weymouth and the surrounding area by provid...
From £41,590
We are a small business priding oueselves on high quality works carried out with care and attention. We use a select few subcontractors to help com...
From £35,830
Richard Gracie
Dorchester, DT2
We are Dorset Build & Maintenance Company Ltd. We are a medium sized local building and maintenance contractor, and our work area is prima...
From £38,080
Stuart Lambert
Trusted and professional extension builder in Dorchester. Experienced in all extension buildering work and keeping within budget and on quote. Stua...
From £36,550
Joanne Upshall
Dorchester, DT1
We are a locl fun family business with over 20 years experience. We specialise in all aspects of the building trade, no job too big or too sm...
From £47,530
Chris Larner building services is a trusted extension builder serving customers in Dorchester and the surrounding area. Contact us to today to get ...

Comparing extension builders estimates for Side return extension gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for a side return extention by posting your job to extension builders in Dorchester.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Side Return Extension near Dorchester | £30 | £230 |
| Side Return Extension near Weymouth | £33 | £260 |
| Side Return Extension near Yeovil | £34 | £294 |
| Side Return Extension near Poole | £38 | £250 |
| Side Return Extension near South Somerset | £62 | £270 |
| Side Return Extension near Bournemouth | £38 | £257 |
| Side Return Extension near Taunton | £31 | £242 |
| Side Return Extension near Salisbury | £35 | £247 |
| Side Return Extension near Bridgwater | £30 | £236 |
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 - £17,442

Two storey extension - £87,914

Build a timber frame extension - £25,942

Build a swimming pool - £80,942

Single storey extension - £53,848

Side return extension - £40,852

Install an RSJ - £2,142

Outbuilding - £9,942

Build a Mansard loft conversion - £51,942

Loft conversion - £33,210

Build a kitchen extension - £41,942

Hip to gable loft conversion - £41,942

Granny annexe - £86,942

Garden office - £9,942

Convert a Garage - £15,942

Garage - £18,442

Build a flat roof extension - £21,942

Build a dormer loft conversion - £41,942

Concrete foundations - £6,192

Convert a bungalow loft - £28,942

Convert a basement - £36,852