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Select your affordable S18 extension builder
Trusted and professional extension builder in S18. Experienced in all extension buildering work and keeping within budget and on quote. AMB Joinery...
Dore Decor are a family run business with over 30 years experience - we offer an extensive range of building services and are able to provide a ful...
From £52,368
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £51,968
Trusted and professional extension builder in S18. Experienced in all extension buildering work and keeping within budget and on quote. R S Heating...
From £52,392
Peak Roofclean offer an inexpensive way of permanently keeping your roof free of moss, lichens and algae. Not only is it 100% effective but...
From £52,072
Need an Extension Builder in S18? Cortworth Millhouse Design & Build has been helping local clients (20 mile radius) with their extension builderin...
From £52,336
Blenheim Park Developments is an established and experienced local extension builder in S18. Please contact us for a free, no obligation quote and ...

Mansard loft conversions range from the cheapest installation of £51,288 (JON WINDLE CONSTRUCTION based in S17) to the dearest of around £52,392 (Peak Roof Clean based in S42).
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 S18 by posting a job with HaMuch and we'll send it to extension builders in S18.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Dronfield | £33 | £262 |
| Build A Mansard Loft Conversion near Chesterfield | £33 | £257 |
| Build A Mansard Loft Conversion near Sheffield | £32 | £261 |
| Build A Mansard Loft Conversion near Rotherham | £32 | £257 |
| Build A Mansard Loft Conversion near Wickersley | £32 | £258 |
| Build A Mansard Loft Conversion near Worksop | £33 | £265 |
| Build A Mansard Loft Conversion near Alfreton | £34 | £261 |
| Build A Mansard Loft Conversion near Sutton-in-Ashfield | £33 | £264 |
| Build A Mansard Loft Conversion near Mansfield Woodhouse | £33 | £262 |
| Build A Mansard Loft Conversion near Kirkby-in-Ashfield | £34 | £269 |
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 - £17,588

Two storey extension - £88,132

Build a timber frame extension - £26,088

Build a swimming pool - £81,088

Single storey extension - £56,760

Side return extension - £42,490

Install an RSJ - £2,288

Outbuilding - £10,088

Build a Mansard loft conversion - £52,088

Loft conversion - £34,575

Build a kitchen extension - £42,088

Hip to gable loft conversion - £42,088

Granny annexe - £87,088

Garden office - £10,088

Convert a Garage - £16,088

Garage - £18,588

Build a flat roof extension - £22,088

Build a dormer loft conversion - £42,088

Concrete foundations - £6,338

Convert a bungalow loft - £29,088

Convert a basement - £38,490