Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Trusted and professional extension builder in S66. Experienced in all extension buildering work and keeping within budget and on quote. Britishbuil...

Mansard loft conversions range from the cheapest installation of £51,840 (Britishbuildogs based in S65) to the dearest of around £52,104 (G.J.H Joinery & Construction based in S65).
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 S66 by posting a job with HaMuch and we'll send it to extension builders in S66.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Wickersley | £32 | £258 |
| Build A Mansard Loft Conversion near Rotherham | £32 | £257 |
| Build A Mansard Loft Conversion near Doncaster | £29 | £238 |
| Build A Mansard Loft Conversion near Worksop | £33 | £265 |
| Build A Mansard Loft Conversion near Sheffield | £32 | £261 |
| Build A Mansard Loft Conversion near Dronfield | £33 | £262 |
| Build A Mansard Loft Conversion near Bassetlaw | £31 | £243 |
| Build A Mansard Loft Conversion near Barnsley | £31 | £242 |
| Build A Mansard Loft Conversion near Retford | £31 | £243 |
| Build A Mansard Loft Conversion near Chesterfield | £33 | £257 |
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 - £17,472

Two storey extension - £87,958

Build a timber frame extension - £25,972

Build a swimming pool - £80,972

Single storey extension - £54,440

Side return extension - £41,185

Install an RSJ - £2,172

Outbuilding - £9,972

Build a Mansard loft conversion - £51,972

Loft conversion - £33,488

Build a kitchen extension - £41,972

Hip to gable loft conversion - £41,972

Granny annexe - £86,972

Garden office - £9,972

Convert a Garage - £15,972

Garage - £18,472

Build a flat roof extension - £21,972

Build a dormer loft conversion - £41,972

Concrete foundations - £6,222

Convert a bungalow loft - £28,972

Convert a basement - £37,185