From £87,168
Our building services company MCO Building Contractors Ltd has been providing customers throughout West Sussex with professional, trustworthy build...
From £87,224
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,912
K. BRAND BUILDING LIMITED are here to help customers who need an Extension Builder in Poynings. We offer a competitive rate to complete all your ex...
From £86,752
Experienced extension builder ready to quote for your work. Rock Build Ltd is the best extension builder in Poynings. No obligation free quotes and...
From £86,768
Master builder since 1960 new build and refurb all trades many photo albums to show
From £87,160
Trusted and professional extension builder in Poynings. Experienced in all extension buildering work and keeping within budget and on quote. W&S BU...
From £85,016
Ferguson Building Services Limited is an established and experienced local extension builder in Poynings. Please contact us for a free, no obligati...
From £86,904
Fenice Design + Build is an established and experienced local extension builder in Poynings. Please contact us for a free, no obligation quote and ...
From £86,856
Orchard Timberworks is a Brighton based Carpentry and Joinery business, located in the beautiful South Downs. We specialise in custom Carpentry and...
From £87,008
Business CategoriesBathroom Planners and Furnishers, Builders, Building Services, Cabinet Makers, Decking, Flooring Services, Home Improvem...

Building a granny annexe ranges from £85,016 (Ferguson Building Services Limited based in BN6) to £87,224 (Hewison Jones Renovations LTD based in bn3), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Poynings by posting a job with HaMuch. We will send it to extension builders in Poynings who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Brighton and Hove | £35 | £251 |
| Granny Annexe near Brighton | £35 | £251 |
| Granny Annexe near Shoreham-by-Sea | £36 | £250 |
| Granny Annexe near Burgess Hill | £36 | £240 |
| Granny Annexe near Lancing | £37 | £251 |
| Granny Annexe near Haywards Heath | £35 | £256 |
| Granny Annexe near Worthing | £35 | £251 |
| Granny Annexe near Mid Sussex | £35 | £261 |
| Granny Annexe near Horsham | £38 | £265 |
| Granny Annexe near Rustington | £36 | £246 |
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 - £17,277

Two storey extension - £87,665

Build a timber frame extension - £25,777

Build a swimming pool - £80,777

Single storey extension - £50,536

Side return extension - £38,989

Install an RSJ - £1,977

Outbuilding - £9,777

Build a Mansard loft conversion - £51,777

Loft conversion - £31,658

Build a kitchen extension - £41,777

Hip to gable loft conversion - £41,777

Granny annexe - £86,777

Garden office - £9,777

Convert a Garage - £15,777

Garage - £18,277

Build a flat roof extension - £21,777

Build a dormer loft conversion - £41,777

Concrete foundations - £6,027

Convert a bungalow loft - £28,777

Convert a basement - £34,989