From £51,632
We can take you dream into reality with our team of experienced tradesmen we cover every aspect of building and landscaping including plastering, e...
From £51,568
Land lord are here to help customers who need an Extension Builder in Harleston. We offer a competitive rate to complete all your extension builder...
From £51,664
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From £51,456
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £51,576
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £51,768
After 6 years as a member of the Which? Trusted Traders scheme D.A.Elias Builders are proud to receive our latest Certificate, ensuring we...
From £51,600
Relax... you have found a reliable extension builder in Harleston. 1st Class Building Services is a friendly and reliable company based in Harlesto...
From £51,480
Need an Extension Builder in Harleston? Bespoke Build Solutions has been helping local clients (20 mile radius) with their extension buildering job...
From £51,472
Need an Extension Builder in Harleston? Heritage Construction Norfolk has been helping local clients (20 mile radius) with their extension builderi...

Mansard loft conversions range from the cheapest installation of £51,456 (J Kimbley Building & Landscaping based in NR2) to the dearest of around £51,768 (D.A. Elias Builders based in IP12).
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 Harleston by posting a job with HaMuch and we'll send it to extension builders in Harleston.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Waveney | £24 | £200 |
| Build A Mansard Loft Conversion near Norwich | £25 | £200 |
| Build A Mansard Loft Conversion near Lowestoft | £24 | £197 |
| Build A Mansard Loft Conversion near Stowmarket | £30 | £221 |
| Build A Mansard Loft Conversion near Suffolk Coastal | £28 | £215 |
| Build A Mansard Loft Conversion near Gorleston-on-Sea | £25 | £205 |
| Build A Mansard Loft Conversion near Broadland | £24 | £194 |
| Build A Mansard Loft Conversion near Breckland | £28 | £248 |
| Build A Mansard Loft Conversion near Thetford | £42 | £277 |
| Build A Mansard Loft Conversion near Great Yarmouth | £13 | £132 |
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 - £17,090

Two storey extension - £87,386

Build a timber frame extension - £25,590

Build a swimming pool - £80,590

Single storey extension - £46,808

Side return extension - £36,892

Install an RSJ - £1,790

Outbuilding - £9,590

Build a Mansard loft conversion - £51,590

Loft conversion - £29,910

Build a kitchen extension - £41,590

Hip to gable loft conversion - £41,590

Granny annexe - £86,590

Garden office - £9,590

Convert a Garage - £15,590

Garage - £18,090

Build a flat roof extension - £21,590

Build a dormer loft conversion - £41,590

Concrete foundations - £5,840

Convert a bungalow loft - £28,590

Convert a basement - £32,892