From £9,600
Taylor Building & Maintenance Services is an established extension buildering business in Forest Row. We come highly recommended and provide compet...
From £10,040
Relax... you have found a reliable extension builder in Forest Row. HOWCROFTS BUILDING SERVICES is a friendly and reliable company based in Forest ...
From £9,528
AJH Construction and Fencing is an established extension buildering business in Forest Row. We come highly recommended and provide competitive quo...
From £10,056
Whitehouse Build & Design Ltd is an established and experienced local extension builder in Forest Row. Please contact us for a free, no obligation ...
From £10,224
GB Brickwork is a trusted extension builder serving customers in Forest Row and the surrounding area. Contact us to today to get a competitive quot...
From £10,336
Trusted and professional extension builder in Forest Row. Experienced in all extension buildering work and keeping within budget and on quote. Danc...
From £9,824
James Knott & Son Ltd are here to help customers who need an Extension Builder in Forest Row. We offer a competitive rate to complete all your exte...
From £10,152
Duaris Ltd is an established extension buildering business in Forest Row. We come highly recommended and provide competitive quotes for your work.<...
From £10,288
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 £9,728
Apsley Wall Ltd is an established extension buildering business in Forest Row. We come highly recommended and provide competitive quotes for your w...

Outbuilding costs in Forest Row range from the cheapest of £9,528 (AJH Construction and Fencing based in RH19) to the dearest of £10,336 (Dance & Co Developments based in RH19), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in Forest Row by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near East Grinstead | £37 | £259 |
| Outbuilding near Crowborough | £36 | £258 |
| Outbuilding near Mid Sussex | £35 | £261 |
| Outbuilding near Crawley | £38 | £255 |
| Outbuilding near Haywards Heath | £35 | £256 |
| Outbuilding near Horley | £38 | £258 |
| Outbuilding near Tunbridge Wells | £37 | £258 |
| Outbuilding near Burgess Hill | £36 | £240 |
| Outbuilding near Wealden | £35 | £256 |
| Outbuilding near Tonbridge | £38 | £254 |
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 - £17,478

Two storey extension - £87,966

Build a timber frame extension - £25,978

Build a swimming pool - £80,978

Single storey extension - £54,552

Side return extension - £41,248

Install an RSJ - £2,178

Outbuilding - £9,978

Build a Mansard loft conversion - £51,978

Loft conversion - £33,540

Build a kitchen extension - £41,978

Hip to gable loft conversion - £41,978

Granny annexe - £86,978

Garden office - £9,978

Convert a Garage - £15,978

Garage - £18,478

Build a flat roof extension - £21,978

Build a dormer loft conversion - £41,978

Concrete foundations - £6,228

Convert a bungalow loft - £28,978

Convert a basement - £37,248