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From £52,240
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Mansard loft conversions range from the cheapest installation of £52,240 (DAVID WEBB BUILDING CONT LTD based in DT11) to the dearest of around £52,240 (DAVID WEBB BUILDING CONT LTD based in DT11).
While these estimates give you a good idea how much you'll pay for a mansard loft conversion, the only way to get an accurate price is to get real quotes from real builders.
Get quotes to install a mansard loft conversion in DT11 by posting a job with HaMuch and we'll send it to extension builders in DT11.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Poole | £38 | £250 |
| Build A Mansard Loft Conversion near Dorchester | £30 | £230 |
| Build A Mansard Loft Conversion near Bournemouth | £38 | £257 |
| Build A Mansard Loft Conversion near Weymouth | £33 | £260 |
| Build A Mansard Loft Conversion near Christchurch | £36 | £251 |
| Build A Mansard Loft Conversion near Yeovil | £34 | £294 |
| Build A Mansard Loft Conversion near Salisbury | £35 | £247 |
| Build A Mansard Loft Conversion near New Forest | £32 | £245 |
| Build A Mansard Loft Conversion near South Somerset | £62 | £270 |
| Build A Mansard Loft Conversion near Frome | £33 | £263 |
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 - £17,740

Two storey extension - £88,360

Build a timber frame extension - £26,240

Build a swimming pool - £81,240

Single storey extension - £59,800

Side return extension - £44,200

Install an RSJ - £2,440

Outbuilding - £10,240

Build a Mansard loft conversion - £52,240

Loft conversion - £36,000

Build a kitchen extension - £42,240

Hip to gable loft conversion - £42,240

Granny annexe - £87,240

Garden office - £10,240

Convert a Garage - £16,240

Garage - £18,740

Build a flat roof extension - £22,240

Build a dormer loft conversion - £42,240

Concrete foundations - £6,490

Convert a bungalow loft - £29,240

Convert a basement - £40,200