From £87,272
Need to find an Extension Builder near you for all your extension buildering work?
DPP Construction (David Price Partnership) provides a lo...
From £87,032
We are a family run business we 40 years experience delivering multiple projects from new developments . Extension. Loft conversion. Including foun...
From £86,320
MAGNOLIA HOME is family run,Tunbridge Wells based building company,.With years expirence,you as the customer can be assured that you are in safe ha...
From £87,016
Trusted and professional extension builder in TN22. Experienced in all extension buildering work and keeping within budget and on quote. Good Const...
From £86,992
Experienced extension builder ready to quote for your work. Brighton Marina Hand Car Wash is the best extension builder in TN22. No obligation free...
From £87,152
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,072
Relax... you have found a reliable extension builder in TN22. R & G Construction Brighton Ltd is a friendly and reliable company based in TN22 who ...
From £86,728
Apsley Wall Ltd is an established extension buildering business in TN22. We come highly recommended and provide competitive quotes for your work.
From £87,336
Trusted and professional extension builder in TN22. Experienced in all extension buildering work and keeping within budget and on quote. Dance & Co...
From £87,136
AWS Home Improvements is an established extension buildering business in TN22. We come highly recommended and provide competitive quotes for your w...

Building a granny annexe ranges from £86,320 (Magnoli Home based in TN2) to £87,336 (Dance & Co Developments based in RH19), 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 TN22 by posting a job with HaMuch. We will send it to extension builders in TN22 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Wealden | £35 | £256 |
| Granny Annexe near Crowborough | £36 | £258 |
| Granny Annexe near Haywards Heath | £35 | £256 |
| Granny Annexe near Mid Sussex | £35 | £261 |
| Granny Annexe near Burgess Hill | £36 | £240 |
| Granny Annexe near Hailsham | £31 | £243 |
| Granny Annexe near East Grinstead | £37 | £259 |
| Granny Annexe near Tunbridge Wells | £37 | £258 |
| Granny Annexe near Brighton and Hove | £35 | £251 |
| Granny Annexe near Seaford | £34 | £243 |
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 - £17,506

Two storey extension - £88,008

Build a timber frame extension - £26,006

Build a swimming pool - £81,006

Single storey extension - £55,112

Side return extension - £41,563

Install an RSJ - £2,206

Outbuilding - £10,006

Build a Mansard loft conversion - £52,006

Loft conversion - £33,803

Build a kitchen extension - £42,006

Hip to gable loft conversion - £42,006

Granny annexe - £87,006

Garden office - £10,006

Convert a Garage - £16,006

Garage - £18,506

Build a flat roof extension - £22,006

Build a dormer loft conversion - £42,006

Concrete foundations - £6,256

Convert a bungalow loft - £29,006

Convert a basement - £37,563