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Select your affordable BN6 extension builder
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 £34,650
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 £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 BN6. We come highly recommended and provide competitive quotes for...
From £35,250
Trusted and professional extension builder in BN6. Experienced in all extension buildering work and keeping within budget and on quote. W&S BUILDIN...
From £31,275
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 £32,325
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £37,125
TOLLEY CARPENTRY is an established extension buildering business in BN6. We come highly recommended and provide competitive quotes for your work.

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 BN6 by posting your job to extension builders in BN6.
"Loft conversion with bathroom en-suite and dressing room Side Extension, Kitchen, Utility Room and WC downstairs and Shower Decorating throughout including wall paper stripping plastering painting" - BURGESS HILL, job posted 09/05/24
"Loft conversion" - BN1, job posted 09/05/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Loft Conversion near Burgess Hill | £36 | £256 |
| Loft Conversion near Haywards Heath | £35 | £256 |
| Loft Conversion near Brighton and Hove | £35 | £252 |
| Loft Conversion near Mid Sussex | £35 | £261 |
| Loft Conversion near Brighton | £35 | £253 |
| Loft Conversion near Shoreham-by-Sea | £36 | £250 |
| Loft Conversion near Lancing | £36 | £249 |
| Loft Conversion near Horsham | £38 | £265 |
| Loft Conversion near Worthing | £35 | £249 |
| 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