From £42,128
STONEWALK CONSTRUCTION LTD is an established and experienced local extension builder in BA21. Please contact us for a free, no obligation quote and...
From £41,952
Experienced extension builder ready to quote for your work. ABS Abbott Preservation is the best extension builder in BA21. No obligation free quote...
From £42,256
TOTAL BUILDING SERVICES is an established extension buildering business in BA21. We come highly recommended and provide competitive quotes for your...
From £41,856
Firestone Surfacing Ltd is a trusted extension builder serving customers in BA21 and the surrounding area. Contact us to today to get a competitive...
From £41,864
Need to find an Extension Builder near you for all your extension buildering work?
Axminster Design and Build Limited provides a local, tru...
From £41,992
Adrian Fowler Property Maintenance & General Building is a trusted extension builder serving customers in BA21 and the surrounding area. Contact us...
From £42,184
Experienced extension builder ready to quote for your work. WILD CONSTRUCTION LTD is the best extension builder in BA21. No obligation free quotes ...
From £42,024
Experienced extension builder ready to quote for your work. LYME BAY BUILDING CO LTD is the best extension builder in BA21. No obligation free quot...
From £41,760
Ian Hunt Building Services is an established and experienced local extension builder in BA21. Please contact us for a free, no obligation quote and...

In BA21, prices for dormer loft conversions range from £41,528 (C O JOYCE LIMITED based in BA16) to £42,256 (TOTAL BUILDING SERVICES based in TA6), 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 BA21. 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 Yeovil | £34 | £294 |
| Build A Dormer Loft Conversion near South Somerset | £62 | £270 |
| Build A Dormer Loft Conversion near Dorchester | £30 | £230 |
| Build A Dormer Loft Conversion near Bridgwater | £30 | £236 |
| Build A Dormer Loft Conversion near Taunton | £31 | £242 |
| Build A Dormer Loft Conversion near Weymouth | £33 | £260 |
| Build A Dormer Loft Conversion near Frome | £33 | £263 |
| Build A Dormer Loft Conversion near Bath | £32 | £249 |
| Build A Dormer Loft Conversion near East Devon | £27 | £221 |
| Build A Dormer Loft Conversion near Weston-super-Mare | £33 | £253 |
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 - £17,454

Two storey extension - £87,932

Build a timber frame extension - £25,954

Build a swimming pool - £80,954

Single storey extension - £54,088

Side return extension - £40,987

Install an RSJ - £2,154

Outbuilding - £9,954

Build a Mansard loft conversion - £51,954

Loft conversion - £33,323

Build a kitchen extension - £41,954

Hip to gable loft conversion - £41,954

Granny annexe - £86,954

Garden office - £9,954

Convert a Garage - £15,954

Garage - £18,454

Build a flat roof extension - £21,954

Build a dormer loft conversion - £41,954

Concrete foundations - £6,204

Convert a bungalow loft - £28,954

Convert a basement - £36,987