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
Ferguson Building Services Limited is an established and experienced local extension builder in Mid Sussex. Please contact us for a free, no obliga...
From £30,000
J Taylor
Taylor Building & Maintenance Services is an established extension buildering business in Mid Sussex. We come highly recommended and provide compet...
From £32,325
Need to find an Extension Builder near you for all your extension buildering work?
WATTSON BROS BUILDING LTD provides a local, trusted exte...
From £31,725
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 £34,350
JG Brickwork Services Limited is an established extension buildering business in Mid Sussex. We come highly recommended and provide competitive quo...

Comparing extension builders estimates for Loft conversion gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost of a loft conversion in Mid Sussex by posting your job to extension builders in Mid Sussex.
"Mansard Loft conversion with master Bedroom and en-suite Side Return Extension with sliding doors New kitchen and open dining room New Bathrooms x 1 Toilet and sink x 1 Underfloor heating" - MID SUSSEX, job posted 01/01/70
"Loft conversion" - MID SUSSEX, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near Mid Sussex | £35 | £261 |
| Loft Conversion near Haywards Heath | £35 | £256 |
| Loft Conversion near Burgess Hill | £36 | £240 |
| Loft Conversion near Crawley | £38 | £255 |
| Loft Conversion near East Grinstead | £37 | £259 |
| Loft Conversion near Horsham | £38 | £265 |
| Loft Conversion near Horley | £38 | £258 |
| Loft Conversion near Crowborough | £36 | £258 |
| Loft Conversion near Brighton and Hove | £35 | £251 |
| 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 - £17,275

Two storey extension - £87,663

Build a timber frame extension - £25,775

Build a swimming pool - £80,775

Single storey extension - £50,504

Side return extension - £38,971

Install an RSJ - £1,975

Outbuilding - £9,775

Build a Mansard loft conversion - £51,775

Loft conversion - £31,643

Build a kitchen extension - £41,775

Hip to gable loft conversion - £41,775

Granny annexe - £86,775

Garden office - £9,775

Convert a Garage - £15,775

Garage - £18,275

Build a flat roof extension - £21,775

Build a dormer loft conversion - £41,775

Concrete foundations - £6,025

Convert a bungalow loft - £28,775

Convert a basement - £34,971