From £86,304
We work from Tyne to Tweed. Friendly reliable trustworthy and quick. Free quotes and 1st class finish.
From £87,000
Spear Renovations is a trusted extension builder serving customers in Berwick-upon-tweed and the surrounding area. Contact us to today to get a com...

Building a granny annexe ranges from £86,304 (GIBSON BUILDERS & CONTR LTD based in NE71) to £87,000 (Spear Renovations based in TD13), 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 Berwick-upon-tweed by posting a job with HaMuch. We will send it to extension builders in Berwick-upon-tweed who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Haddington | £35 | £255 |
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 - £17,152

Two storey extension - £87,478

Build a timber frame extension - £25,652

Build a swimming pool - £80,652

Single storey extension - £48,040

Side return extension - £37,585

Install an RSJ - £1,852

Outbuilding - £9,652

Build a Mansard loft conversion - £51,652

Loft conversion - £30,488

Build a kitchen extension - £41,652

Hip to gable loft conversion - £41,652

Granny annexe - £86,652

Garden office - £9,652

Convert a Garage - £15,652

Garage - £18,152

Build a flat roof extension - £21,652

Build a dormer loft conversion - £41,652

Concrete foundations - £5,902

Convert a bungalow loft - £28,652

Convert a basement - £33,585