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M D A BUILDERS is an established extension buildering business in Callington. We come highly recommended and provide competitive quotes for your w...
Callington, PL17
Need an Extension Builder in Callington? A1 CONSTRUCTION & MAINTENCE has been helping local clients (20 mile radius) with their extension builderi...
From £86,784
TJ FRIEND CONSTRUCTION are here to help customers who need an Extension Builder in Callington. We offer a competitive rate to complete all your ext...
From £86,944
Trusted and professional extension builder in Callington. Experienced in all extension buildering work and keeping within budget and on quote. CONS...
From £86,992
Future Build Supplies Ltd are here to help customers who need an Extension Builder in Callington. We offer a competitive rate to complete all your ...

Building a granny annexe ranges from £86,784 (TJ FRIEND CONSTRUCTION based in PL19) to £87,288 (Brian C Credicott based in PL19), 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 Callington by posting a job with HaMuch. We will send it to extension builders in Callington who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Plymouth | £30 | £230 |
| Granny Annexe near St Austell | £38 | £245 |
| Granny Annexe near Teignbridge | £27 | £260 |
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 - £17,465

Two storey extension - £87,948

Build a timber frame extension - £25,965

Build a swimming pool - £80,965

Single storey extension - £54,307

Side return extension - £41,110

Install an RSJ - £2,165

Outbuilding - £9,965

Build a Mansard loft conversion - £51,965

Loft conversion - £33,425

Build a kitchen extension - £41,965

Hip to gable loft conversion - £41,965

Granny annexe - £86,965

Garden office - £9,965

Convert a Garage - £15,965

Garage - £18,465

Build a flat roof extension - £21,965

Build a dormer loft conversion - £41,965

Concrete foundations - £6,215

Convert a bungalow loft - £28,965

Convert a basement - £37,110