Simon Megson
35 years in the trade can Lay bricks plaster roofing wall and floor tiling
Brendan Healy
All building work , all hoyse maintenance. House extension and refurbishment works.
Daniel Hart
Small family building business reliable friendly service and very high quality of works
Modularr is an established and experienced local extension builder in Herne Bay. 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 ...

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 Herne Bay by posting a job with HaMuch. We will send it to extension builders in Herne Bay who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Herne Bay | £28 | £213 |
| Granny Annexe near Whitstable | £28 | £214 |
| Granny Annexe near Canterbury | £31 | £232 |
| Granny Annexe near Thanet | £27 | £208 |
| Granny Annexe near Faversham | £34 | £235 |
| Granny Annexe near Margate | £27 | £208 |
| Granny Annexe near Ramsgate | £27 | £208 |
| Granny Annexe near Broadstairs | £27 | £208 |
| Granny Annexe near Swale | £35 | £241 |
| 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 - £17,157

Two storey extension - £87,486

Build a timber frame extension - £25,657

Build a swimming pool - £80,657

Single storey extension - £48,147

Side return extension - £37,645

Install an RSJ - £1,857

Outbuilding - £9,657

Build a Mansard loft conversion - £51,657

Loft conversion - £30,538

Build a kitchen extension - £41,657

Hip to gable loft conversion - £41,657

Granny annexe - £86,657

Garden office - £9,657

Convert a Garage - £15,657

Garage - £18,157

Build a flat roof extension - £21,657

Build a dormer loft conversion - £41,657

Concrete foundations - £5,907

Convert a bungalow loft - £28,657

Convert a basement - £33,645