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Select your affordable S1 extension builder
Martin Metcalfe
Need an Extension Builder in S1? Trinity Building Services has been helping local clients (20 mile radius) with their extension buildering jobs for...
Trusted and professional extension builder in S1. Experienced in all extension buildering work and keeping within budget and on quote. AMB Joinery ...
Hallamshire Paving is an established and experienced local extension builder in S1. Please contact us for a free, no obligation quote and competiti...
BP Builders are here to help customers who need an Extension Builder in S1. We offer a competitive rate to complete all your extension buildering j...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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 £52,168
Milestone Builders is an established extension buildering business in S1. We come highly recommended and provide competitive quotes for your work.<...
From £52,312
Whitshaw Builders LTD is an established and experienced local extension builder in S1. Please contact us for a free, no obligation quote and compet...
From £52,152
Trojan Turnarounds Ltd is a trusted extension builder serving customers in S1 and the surrounding area. Contact us to today to get a competitive qu...
From £52,336
Blenheim Park Developments is an established and experienced local extension builder in S1. Please contact us for a free, no obligation quote and c...

Mansard loft conversions range from the cheapest installation of £51,600 (Trinity Building Services based in S6) to the dearest of around £52,344 (AMB Joinery & Building Services based in S8).
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 S1 by posting a job with HaMuch and we'll send it to extension builders in S1.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Sheffield | £32 | £261 |
| Build A Mansard Loft Conversion near Dronfield | £33 | £262 |
| Build A Mansard Loft Conversion near Rotherham | £32 | £257 |
| Build A Mansard Loft Conversion near Wickersley | £32 | £258 |
| Build A Mansard Loft Conversion near Chesterfield | £33 | £257 |
| Build A Mansard Loft Conversion near Barnsley | £31 | £242 |
| Build A Mansard Loft Conversion near Worksop | £33 | £265 |
| Build A Mansard Loft Conversion near Doncaster | £29 | £238 |
| Build A Mansard Loft Conversion near Mansfield Woodhouse | £33 | £262 |
| Build A Mansard Loft Conversion near Holmfirth | £30 | £232 |
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 - £17,603

Two storey extension - £88,155

Build a timber frame extension - £26,103

Build a swimming pool - £81,103

Single storey extension - £57,064

Side return extension - £42,661

Install an RSJ - £2,303

Outbuilding - £10,103

Build a Mansard loft conversion - £52,103

Loft conversion - £34,718

Build a kitchen extension - £42,103

Hip to gable loft conversion - £42,103

Granny annexe - £87,103

Garden office - £10,103

Convert a Garage - £16,103

Garage - £18,603

Build a flat roof extension - £22,103

Build a dormer loft conversion - £42,103

Concrete foundations - £6,353

Convert a bungalow loft - £29,103

Convert a basement - £38,661