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Cambridge, CB23
J & N Contracts Cambs Ltd is an established and experienced local extension builder in Cambridge. Please contact us for a free, no obligation quote...
Comprehensive, Intelligent Construction Service offering Domestic and Commercial Buildings, Barn, Basement and Loft Conversions, Renovation & Refur...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Cambridge. CROWNBUILD is a friendly and reliable company based in Cambridge who consider no...
Mickey Woolfe
Cambridge, CB23
Need to find an Extension Builder near you for all your extension buildering work?
M Woolfe Builders & Carpenters provides a local, trusted...
Cambridge, CB24
Inspire Carpentry and Construction Ltd is an established and experienced local extension builder in Cambridge. Please contact us for a free, no obl...
Cambridge, CB22
Experienced extension builder ready to quote for your work. ALLIED BUILDING ASSOCIATES LTD is the best extension builder in Cambridge. No obligatio...
Relax... you have found a reliable extension builder in Cambridge. D Stebbings is a friendly and reliable company based in Cambridge who consider n...
From £52,408
Need to find an Extension Builder near you for all your extension buildering work?
Louise Swarbrick Design provides a local, trusted extens...
From £52,376
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 £51,920 (Inspire Carpentry and Construction Ltd based in CB24) to the dearest of around £53,360 (ALLIED BUILDING ASSOCIATES LTD based in CB22).
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 Cambridge by posting a job with HaMuch and we'll send it to extension builders in Cambridge.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Cambridge | £41 | £275 |
| Build A Mansard Loft Conversion near South Cambridgeshire | £50 | £315 |
| Build A Mansard Loft Conversion near Ely | £40 | £279 |
| Build A Mansard Loft Conversion near Huntingdon | £38 | £284 |
| Build A Mansard Loft Conversion near Haverhill | £37 | £260 |
| Build A Mansard Loft Conversion near St Neots | £51 | £318 |
| Build A Mansard Loft Conversion near Biggleswade | £41 | £268 |
| Build A Mansard Loft Conversion near Huntingdonshire | £36 | £290 |
| Build A Mansard Loft Conversion near Letchworth | £44 | £283 |
| Build A Mansard Loft Conversion near North Hertfordshire | £44 | £283 |
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 - £17,895

Two storey extension - £88,593

Build a timber frame extension - £26,395

Build a swimming pool - £81,395

Single storey extension - £62,904

Side return extension - £45,946

Install an RSJ - £2,595

Outbuilding - £10,395

Build a Mansard loft conversion - £52,395

Loft conversion - £37,455

Build a kitchen extension - £42,395

Hip to gable loft conversion - £42,395

Granny annexe - £87,395

Garden office - £10,395

Convert a Garage - £16,395

Garage - £18,895

Build a flat roof extension - £22,395

Build a dormer loft conversion - £42,395

Concrete foundations - £6,645

Convert a bungalow loft - £29,395

Convert a basement - £41,946