From £86,920
Modularr is an established and experienced local extension builder in Canterbury. Please contact us for a free, no obligation quote and competitive...
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 £86,056
35 years in the trade can Lay bricks plaster roofing wall and floor tiling
From £87,096
Need to find an Extension Builder near you for all your extension buildering work?
Fast Affordable Builders provides a local, trusted exten...
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 £86,888
Trusted and professional extension builder in Canterbury. Experienced in all extension buildering work and keeping within budget and on quote. SMB ...
From £86,552
Small family building business reliable friendly service and very high quality of works
From £86,760
I D Smith Construction Services Ltd is an established and experienced local extension builder in Canterbury. Please contact us for a free, no oblig...
From £86,808
Justin Collins Building Services are here to help customers who need an Extension Builder in Canterbury. We offer a competitive rate to complete al...
From £86,944
I have been working In home improvement and the Decorating services for around 30 years, experiencing high end work & clients and building up a rep...

Building a granny annexe ranges from £86,056 (S MEGSON CONSTRUCTION based in CT5) to £87,096 (Fast Affordable Builders based in CT4), 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 Canterbury by posting a job with HaMuch. We will send it to extension builders in Canterbury who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Canterbury | £31 | £232 |
| Granny Annexe near Whitstable | £28 | £214 |
| Granny Annexe near Herne Bay | £28 | £213 |
| Granny Annexe near Faversham | £34 | £235 |
| Granny Annexe near Swale | £35 | £241 |
| Granny Annexe near Thanet | £27 | £207 |
| Granny Annexe near Ashford | £36 | £256 |
| Granny Annexe near Folkestone | £31 | £233 |
| Granny Annexe near Hythe | £31 | £228 |
| Granny Annexe near Deal | £26 | £199 |
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 - £17,313

Two storey extension - £87,719

Build a timber frame extension - £25,813

Build a swimming pool - £80,813

Single storey extension - £51,256

Side return extension - £39,394

Install an RSJ - £2,013

Outbuilding - £9,813

Build a Mansard loft conversion - £51,813

Loft conversion - £31,995

Build a kitchen extension - £41,813

Hip to gable loft conversion - £41,813

Granny annexe - £86,813

Garden office - £9,813

Convert a Garage - £15,813

Garage - £18,313

Build a flat roof extension - £21,813

Build a dormer loft conversion - £41,813

Concrete foundations - £6,063

Convert a bungalow loft - £28,813

Convert a basement - £35,394