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Ferguson Building Services Limited is an established and experienced local extension builder in BN6. Please contact us for a free, no obligation qu...
Reuben Sargent
Rjscarpentryconstruction is a well established company with over 30 years of experience in the carpentry and construction industries
From £42,096
Experienced extension builder ready to quote for your work. Miles Better Builds is the best extension builder in BN6. No obligation free quotes and...
From £41,784
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 £42,064
JG Brickwork Services Limited is an established extension buildering business in BN6. We come highly recommended and provide competitive quotes for...
From £42,160
Trusted and professional extension builder in BN6. Experienced in all extension buildering work and keeping within budget and on quote. W&S BUILDIN...
From £41,736
Relax... you have found a reliable extension builder in BN6. Atlas Installations is a friendly and reliable company based in BN6 who consider no jo...
From £41,848
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £42,360
TOLLEY CARPENTRY is an established extension buildering business in BN6. We come highly recommended and provide competitive quotes for your work.

In BN6, prices for dormer loft conversions range from £41,736 (Atlas Installations based in RH15) to £42,600 (RJ's Carpentry Construction based in RH15), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in BN6. Post your job on HaMuch now and we'll put you in touch with available extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Burgess Hill | £36 | £256 |
| Build A Dormer Loft Conversion near Haywards Heath | £35 | £256 |
| Build A Dormer Loft Conversion near Brighton and Hove | £35 | £252 |
| Build A Dormer Loft Conversion near Mid Sussex | £35 | £261 |
| Build A Dormer Loft Conversion near Brighton | £35 | £253 |
| Build A Dormer Loft Conversion near Shoreham-by-Sea | £36 | £250 |
| Build A Dormer Loft Conversion near Lancing | £36 | £249 |
| Build A Dormer Loft Conversion near Horsham | £38 | £265 |
| Build A Dormer Loft Conversion near Worthing | £35 | £249 |
| Build A Dormer Loft Conversion near Crawley | £38 | £255 |
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 - £17,575

Two storey extension - £88,112

Build a timber frame extension - £26,075

Build a swimming pool - £81,075

Single storey extension - £56,493

Side return extension - £42,340

Install an RSJ - £2,275

Outbuilding - £10,075

Build a Mansard loft conversion - £52,075

Loft conversion - £34,450

Build a kitchen extension - £42,075

Hip to gable loft conversion - £42,075

Granny annexe - £87,075

Garden office - £10,075

Convert a Garage - £16,075

Garage - £18,575

Build a flat roof extension - £22,075

Build a dormer loft conversion - £42,075

Concrete foundations - £6,325

Convert a bungalow loft - £29,075

Convert a basement - £38,340