From £51,704
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £51,704
From start to finish, your project will be undertaken by one of the family, providing the utmost care and quality of workmanship. We’ll work with...

Mansard loft conversions range from the cheapest installation of £51,704 (Cannon and Son Ltd. based in TR6) to the dearest of around £51,704 (Cannon and Son Ltd. based in TR6).
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 TR5 by posting a job with HaMuch and we'll send it to extension builders in TR5.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Truro | £31 | £206 |
| Build A Mansard Loft Conversion near Camborne | £28 | £196 |
| Build A Mansard Loft Conversion near Newquay | £32 | £230 |
| Build A Mansard Loft Conversion near Falmouth | £33 | £220 |
| Build A Mansard Loft Conversion near St Ives, Cornwall | £27 | £188 |
| Build A Mansard Loft Conversion near St Austell | £38 | £245 |
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 - £17,204

Two storey extension - £87,556

Build a timber frame extension - £25,704

Build a swimming pool - £80,704

Single storey extension - £49,080

Side return extension - £38,170

Install an RSJ - £1,904

Outbuilding - £9,704

Build a Mansard loft conversion - £51,704

Loft conversion - £30,975

Build a kitchen extension - £41,704

Hip to gable loft conversion - £41,704

Granny annexe - £86,704

Garden office - £9,704

Convert a Garage - £15,704

Garage - £18,204

Build a flat roof extension - £21,704

Build a dormer loft conversion - £41,704

Concrete foundations - £5,954

Convert a bungalow loft - £28,704

Convert a basement - £34,170