From £51,896
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
2 reviews
From £52,264
30 years experience In building . Plastering and colour renders
"Totally unreliable, takes your money and doesn't finish the job." - NORTH EAST,reviewed 04/10/17, L S
From £51,760
Trusted and professional extension builder in DL1. Experienced in all extension buildering work and keeping within budget and on quote. D & G Build...
From £52,000
Relax... you have found a reliable extension builder in DL1. AA Paving is a friendly and reliable company based in DL1 who consider no job as too b...
From £52,104
RAINTON CONSTRUCTION LTD is an established and experienced local extension builder in DL1. Please contact us for a free, no obligation quote and co...
From £51,744
Trusted and professional extension builder in DL1. Experienced in all extension buildering work and keeping within budget and on quote. Empire Buil...
From £52,912
Trusted General Builders in Durham From small fixes to full renovations, Radici Construction delivers quality workmanship, clear communication,...
From £51,920
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £51,528
Experienced extension builder ready to quote for your work. KIETH GRAY ROOFING & BUILDING is the best extension builder in DL1. No obligation free ...
From £51,808
Trusted and professional extension builder in DL1. Experienced in all extension buildering work and keeping within budget and on quote. DHB Builder...

Mansard loft conversions range from the cheapest installation of £51,528 (KIETH GRAY ROOFING & BUILDING based in TS24) to the dearest of around £52,912 (Radici Construction North East Ltd based in DH1).
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 DL1 by posting a job with HaMuch and we'll send it to extension builders in DL1.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Darlington | £60 | £222 |
| Build A Mansard Loft Conversion near Newton Aycliffe | £39 | £227 |
| Build A Mansard Loft Conversion near Stockton-on-Tees | £41 | £228 |
| Build A Mansard Loft Conversion near Ingleby Barwick | £41 | £228 |
| Build A Mansard Loft Conversion near Thornaby-on-Tees | £42 | £231 |
| Build A Mansard Loft Conversion near Bishop Auckland | £39 | £247 |
| Build A Mansard Loft Conversion near Billingham | £44 | £242 |
| Build A Mansard Loft Conversion near Spennymoor | £38 | £248 |
| Build A Mansard Loft Conversion near Middlesbrough | £43 | £236 |
| Build A Mansard Loft Conversion near Eston | £42 | £241 |
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 - £17,494

Two storey extension - £87,990

Build a timber frame extension - £25,994

Build a swimming pool - £80,994

Single storey extension - £54,872

Side return extension - £41,428

Install an RSJ - £2,194

Outbuilding - £9,994

Build a Mansard loft conversion - £51,994

Loft conversion - £33,690

Build a kitchen extension - £41,994

Hip to gable loft conversion - £41,994

Granny annexe - £86,994

Garden office - £9,994

Convert a Garage - £15,994

Garage - £18,494

Build a flat roof extension - £21,994

Build a dormer loft conversion - £41,994

Concrete foundations - £6,244

Convert a bungalow loft - £28,994

Convert a basement - £37,428