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Simon Megson
Whitstable, CT5
35 years in the trade can Lay bricks plaster roofing wall and floor tiling
Daniel Hart
Small family building business reliable friendly service and very high quality of works
J E P Marine is an established and experienced local extension builder in Whitstable. Please contact us for a free, no obligation quote and competi...
Trusted and professional extension builder in Whitstable. Experienced in all extension buildering work and keeping within budget and on quote. SMB ...
Relax... you have found a reliable extension builder in Whitstable. BDC Construction South East Ltd is a friendly and reliable company based in Whi...
Justin Collins Building Services are here to help customers who need an Extension Builder in Whitstable. We offer a competitive rate to complete al...
Modularr is an established and experienced local extension builder in Whitstable. Please contact us for a free, no obligation quote and competitive...
From £87,040
\nMorgan and Smith was created in 2017 after seeing a gap in the market for a more personal service. Too often, we saw customers feeling disconnect...
From £87,064
Our building services company Gilson Construction have thirty years’ experience and have been helping customers in Kent and the surrounding area ...
From £86,760
I D Smith Construction Services Ltd is an established and experienced local extension builder in Whitstable. Please contact us for a free, no oblig...

Building a granny annexe ranges from £86,056 (S MEGSON CONSTRUCTION based in CT5) to £87,064 (Gilson Construction based in CT6), 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 Whitstable by posting a job with HaMuch. We will send it to extension builders in Whitstable who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Whitstable | £28 | £214 |
| Granny Annexe near Herne Bay | £28 | £213 |
| Granny Annexe near Canterbury | £31 | £232 |
| Granny Annexe near Faversham | £34 | £235 |
| Granny Annexe near Swale | £35 | £241 |
| Granny Annexe near Sittingbourne | £35 | £246 |
| Granny Annexe near Thanet | £27 | £207 |
| Granny Annexe near Margate | £27 | £208 |
| Granny Annexe near Ramsgate | £27 | £208 |
| Granny Annexe near Ashford | £36 | £256 |
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 - £17,298

Two storey extension - £87,696

Build a timber frame extension - £25,798

Build a swimming pool - £80,798

Single storey extension - £50,952

Side return extension - £39,223

Install an RSJ - £1,998

Outbuilding - £9,798

Build a Mansard loft conversion - £51,798

Loft conversion - £31,853

Build a kitchen extension - £41,798

Hip to gable loft conversion - £41,798

Granny annexe - £86,798

Garden office - £9,798

Convert a Garage - £15,798

Garage - £18,298

Build a flat roof extension - £21,798

Build a dormer loft conversion - £41,798

Concrete foundations - £6,048

Convert a bungalow loft - £28,798

Convert a basement - £35,223