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 £51,752 (Eden Homes Design based in Ln7) to the dearest of around £51,752 (Eden Homes Design based in Ln7).
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 Bigby by posting a job with HaMuch and we'll send it to extension builders in Bigby.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near North Lincolnshire | £28 | £216 |
| Build A Mansard Loft Conversion near Scunthorpe | £26 | £207 |
| Build A Mansard Loft Conversion near North East Lincolnshire | £32 | £246 |
| Build A Mansard Loft Conversion near Grimsby | £32 | £246 |
| Build A Mansard Loft Conversion near Hull | £29 | £223 |
| Build A Mansard Loft Conversion near Willerby | £29 | £221 |
| Build A Mansard Loft Conversion near Cleethorpes | £32 | £246 |
| Build A Mansard Loft Conversion near Gainsborough | £30 | £234 |
| Build A Mansard Loft Conversion near East Riding | £29 | £223 |
| Build A Mansard Loft Conversion near Beverley | £29 | £223 |
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 - £17,252

Two storey extension - £87,628

Build a timber frame extension - £25,752

Build a swimming pool - £80,752

Single storey extension - £50,040

Side return extension - £38,710

Install an RSJ - £1,952

Outbuilding - £9,752

Build a Mansard loft conversion - £51,752

Loft conversion - £31,425

Build a kitchen extension - £41,752

Hip to gable loft conversion - £41,752

Granny annexe - £86,752

Garden office - £9,752

Convert a Garage - £15,752

Garage - £18,252

Build a flat roof extension - £21,752

Build a dormer loft conversion - £41,752

Concrete foundations - £6,002

Convert a bungalow loft - £28,752

Convert a basement - £34,710