From £86,856
Need to find an Extension Builder near you for all your extension buildering work?
BUILDERS OF SUSSEX LTD provides a local, trusted extensi...
From £86,688
Family run builders with high standards of workmanship and customer service, trading standards approved.
From £87,248
GREEN ROOM CONSTRUCTION is an established and experienced local extension builder in Hampden Park. Please contact us for a free, no obligation quot...
From £87,080
Livit Design&Build is a company serves people to renovate their bathrooms partially or from scratch. Livit Design&Build combines design and build t...
From £86,696
We Are RAM Construction are here to help customers who need an Extension Builder in Hampden Park. We offer a competitive rate to complete all your ...
From £87,784
With over 20 years experience covering a multiple of disciplines within the building Industry, we are best placed to give you the correct advice on...
From £87,152
Need to find an Extension Builder near you for all your extension buildering work?
Avant-Garde Construction Group Limited provides a local,...
From £87,240
Experienced extension builder ready to quote for your work. CG Renovations Ltd is the best extension builder in Hampden Park. No obligation free qu...
From £86,848
Our building services company Hinton & Moon Building Limited was only established in August 2022, but have been providing professional, trustworthy...
From £86,480
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Building a granny annexe ranges from £86,480 (Pro For You based in BN22) to £87,784 (Insite Sepecialists based in BN23), 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 Hampden Park by posting a job with HaMuch. We will send it to extension builders in Hampden Park who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Eastbourne | £32 | £245 |
| Granny Annexe near Hailsham | £31 | £243 |
| Granny Annexe near Seaford | £34 | £243 |
| Granny Annexe near Bexhill-on-Sea | £31 | £243 |
| Granny Annexe near Wealden | £35 | £256 |
| Granny Annexe near Hastings | £31 | £246 |
| Granny Annexe near Brighton and Hove | £35 | £251 |
| Granny Annexe near Brighton | £35 | £251 |
| Granny Annexe near Crowborough | £36 | £258 |
| Granny Annexe near Burgess Hill | £36 | £240 |
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 - £17,507

Two storey extension - £88,011

Build a timber frame extension - £26,007

Build a swimming pool - £81,007

Single storey extension - £55,144

Side return extension - £41,581

Install an RSJ - £2,207

Outbuilding - £10,007

Build a Mansard loft conversion - £52,007

Loft conversion - £33,818

Build a kitchen extension - £42,007

Hip to gable loft conversion - £42,007

Granny annexe - £87,007

Garden office - £10,007

Convert a Garage - £16,007

Garage - £18,507

Build a flat roof extension - £22,007

Build a dormer loft conversion - £42,007

Concrete foundations - £6,257

Convert a bungalow loft - £29,007

Convert a basement - £37,581