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Ferguson Building Services Limited is an established and experienced local extension builder in Mid Sussex. Please contact us for a free, no obliga...
David Oreilly
We are a family run business we 40 years experience delivering multiple projects from new developments . Extension. Loft conversion. Including foun...
Crawley Construction Ltd
Contact us: 07454160840 Email: enquiries@ We are a family run business since 15 year’s+. We are build on tru...
DC Construction is a trusted extension builder serving customers in Mid Sussex and the surrounding area. Contact us to today to get a competitive q...
J S Nisbet Loft Conversions are here to help customers who need an Extension Builder in Mid Sussex. We offer a competitive rate to complete all you...
Reuben Sargent
Rjscarpentryconstruction is a well established company with over 30 years of experience in the carpentry and construction industries
From £51,600
J Taylor
Taylor Building & Maintenance Services is an established extension buildering business in Mid Sussex. We come highly recommended and provide compet...
From £51,848
Need to find an Extension Builder near you for all your extension buildering work?
WATTSON BROS BUILDING LTD provides a local, trusted exte...
From £51,784
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
From £52,064
JG Brickwork Services Limited is an established extension buildering business in Mid Sussex. We come highly recommended and provide competitive quo...

Mansard loft conversions range from the cheapest installation of £51,600 (Taylor Building & Maintenance Services based in RH18) to the dearest of around £52,600 (RJ's Carpentry Construction based in RH15).
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 Mid Sussex by posting a job with HaMuch and we'll send it to extension builders in Mid Sussex.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Mid Sussex | £35 | £261 |
| Build A Mansard Loft Conversion near Haywards Heath | £35 | £256 |
| Build A Mansard Loft Conversion near Burgess Hill | £36 | £256 |
| Build A Mansard Loft Conversion near Crawley | £38 | £255 |
| Build A Mansard Loft Conversion near East Grinstead | £37 | £259 |
| Build A Mansard Loft Conversion near Horsham | £38 | £265 |
| Build A Mansard Loft Conversion near Horley | £38 | £258 |
| Build A Mansard Loft Conversion near Crowborough | £36 | £258 |
| Build A Mansard Loft Conversion near Brighton and Hove | £35 | £252 |
| Build A Mansard Loft Conversion near Redhill | £41 | £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 - £17,476

Two storey extension - £87,964

Build a timber frame extension - £25,976

Build a swimming pool - £80,976

Single storey extension - £54,520

Side return extension - £41,230

Install an RSJ - £2,176

Outbuilding - £9,976

Build a Mansard loft conversion - £51,976

Loft conversion - £33,525

Build a kitchen extension - £41,976

Hip to gable loft conversion - £41,976

Granny annexe - £86,976

Garden office - £9,976

Convert a Garage - £15,976

Garage - £18,476

Build a flat roof extension - £21,976

Build a dormer loft conversion - £41,976

Concrete foundations - £6,226

Convert a bungalow loft - £28,976

Convert a basement - £37,230