From £31,950
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £33,150
Extensions, Refurbishments & Loft ConversionsAt Keystone our mission is to help our clients imagine, design & build environments that enhance their...
From £34,800
Experienced extension builder ready to quote for your work. MRA CONSTRUCTION is the best extension builder in Mid Sussex. No obligation free quotes...
From £36,150
Need to find an Extension Builder near you for all your extension buildering work?
Mid Sussex Construction Ltd provides a local, trusted ex...
From £39,375
Rjscarpentryconstruction is a well established company with over 30 years of experience in the carpentry and construction industries
From £32,325
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £27,075
I have been in the building trade for over 20 years and run my own business for the last 10 years. I am very reliable and have plenty of experience...
From £32,400
HEVIN BUILDERS is an established extension buildering business in Mid Sussex. We come highly recommended and provide competitive quotes for your wo...
From £37,125
TOLLEY CARPENTRY is an established extension buildering business in Mid Sussex. We come highly recommended and provide competitive quotes for your ...
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
"Loft conversion" - MID SUSSEX
| 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 - £17,513

Two storey extension - £88,019

Build a timber frame extension - £26,013

Build a swimming pool - £81,013

Single storey extension - £55,256

Side return extension - £41,644

Install an RSJ - £2,213

Outbuilding - £10,013

Build a Mansard loft conversion - £52,013

Loft conversion - £33,870

Build a kitchen extension - £42,013

Hip to gable loft conversion - £42,013

Granny annexe - £87,013

Garden office - £10,013

Convert a Garage - £16,013

Garage - £18,513

Build a flat roof extension - £22,013

Build a dormer loft conversion - £42,013

Concrete foundations - £6,263

Convert a bungalow loft - £29,013

Convert a basement - £37,644