Relax... you have found a reliable extension builder in TN23. Clint Construction is a friendly and reliable company based in TN23 who consider no j...
Neil Baxter
Neil Baxter Construction are here to help customers who need an Extension Builder in TN23. We offer a competitive rate to complete all your extensi...
Need an Extension Builder in TN23? J TWEEDIE BUILDING SERVICES has been helping local clients (20 mile radius) with their extension buildering jobs...
ARIA DESIGN & BUILD is an established extension buildering business in TN23. We come highly recommended and provide competitive quotes for your wor...
Experienced extension builder ready to quote for your work. J NARCHANT BUILDING is the best extension builder in TN23. No obligation free quotes an...
Relax... you have found a reliable extension builder in TN23. P F Construction t/a is a friendly and reliable company based in TN23 who consider no...
From £87,184
ARTISAN CONSTRUCTION is an established and experienced local extension builder in TN23. Please contact us for a free, no obligation quote and compe...
From £87,016
Trusted and professional extension builder in TN23. Experienced in all extension buildering work and keeping within budget and on quote. C & K BUIL...
From £86,784
Need an Extension Builder in TN23? C.Scott Building ltd has been helping local clients (20 mile radius) with their extension buildering jobs for ma...
From £86,984
County Construction are a reliable and reputable company that work across the County. We are a family-run business with a good reputation and have ...

Building a granny annexe ranges from £86,784 (C.Scott Building ltd based in Tn23) to £87,184 (ARTISAN CONSTRUCTION based in TN24), 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 TN23 by posting a job with HaMuch. We will send it to extension builders in TN23 who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Ashford | £36 | £256 |
| Granny Annexe near Hythe | £31 | £228 |
| Granny Annexe near Faversham | £34 | £235 |
| Granny Annexe near Swale | £35 | £241 |
| Granny Annexe near Canterbury | £31 | £232 |
| Granny Annexe near Folkestone | £31 | £233 |
| Granny Annexe near Sittingbourne | £35 | £246 |
| Granny Annexe near Whitstable | £28 | £214 |
| Granny Annexe near Maidstone | £40 | £255 |
| Granny Annexe near Herne Bay | £28 | £213 |
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 - £17,510

Two storey extension - £88,014

Build a timber frame extension - £26,010

Build a swimming pool - £81,010

Single storey extension - £55,192

Side return extension - £41,608

Install an RSJ - £2,210

Outbuilding - £10,010

Build a Mansard loft conversion - £52,010

Loft conversion - £33,840

Build a kitchen extension - £42,010

Hip to gable loft conversion - £42,010

Granny annexe - £87,010

Garden office - £10,010

Convert a Garage - £16,010

Garage - £18,510

Build a flat roof extension - £22,010

Build a dormer loft conversion - £42,010

Concrete foundations - £6,260

Convert a bungalow loft - £29,010

Convert a basement - £37,608