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Stag Design & Build is the ultimate package for your Extension, New Build, Renovations and all other aspects involving the construction industry, d...
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M J LLEWLLYN BUILDING SERVICES provides a local, trusted...

In GL12, prices for dormer loft conversions range from £41,904 (M J LLEWLLYN BUILDING SERVICES based in GL12) to £42,096 (STAG Design & Build Ltd based in GL12), 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 GL12. 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 Yate | £34 | £263 |
| Build A Dormer Loft Conversion near South Gloucestershire | £34 | £260 |
| Build A Dormer Loft Conversion near Bradley Stoke | £34 | £259 |
| Build A Dormer Loft Conversion near Stroud | £33 | £249 |
| Build A Dormer Loft Conversion near Kingswood | £34 | £257 |
| Build A Dormer Loft Conversion near Chippenham | £34 | £258 |
| Build A Dormer Loft Conversion near Quedgeley | £31 | £247 |
| Build A Dormer Loft Conversion near Bristol | £33 | £255 |
| Build A Dormer Loft Conversion near Clifton | £33 | £255 |
| Build A Dormer Loft Conversion near Keynsham | £33 | £251 |
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 - £17,500

Two storey extension - £88,000

Build a timber frame extension - £26,000

Build a swimming pool - £81,000

Single storey extension - £55,000

Side return extension - £41,500

Install an RSJ - £2,200

Outbuilding - £10,000

Build a Mansard loft conversion - £52,000

Loft conversion - £33,750

Build a kitchen extension - £42,000

Hip to gable loft conversion - £42,000

Granny annexe - £87,000

Garden office - £10,000

Convert a Garage - £16,000

Garage - £18,500

Build a flat roof extension - £22,000

Build a dormer loft conversion - £42,000

Concrete foundations - £6,250

Convert a bungalow loft - £29,000

Convert a basement - £37,500