From £86,392
I am time served carpenter joiner with over 40 years experience in all aspects or joinery I have avast in site management in refurbishment of schoo...

Building a granny annexe ranges from £86,392 (TOMS JOINERY based in DG2) to £86,392 (TOMS JOINERY based in DG2), 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 Castle Douglas by posting a job with HaMuch. We will send it to extension builders in Castle Douglas who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Dumfries & Galloway | £18 | £140 |
| Granny Annexe near Dumfries | £18 | £140 |
| Granny Annexe near Whitehaven | £18 | £185 |
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 - £16,892

Two storey extension - £87,088

Build a timber frame extension - £25,392

Build a swimming pool - £80,392

Single storey extension - £42,840

Side return extension - £34,660

Install an RSJ - £1,592

Outbuilding - £9,392

Build a Mansard loft conversion - £51,392

Loft conversion - £28,050

Build a kitchen extension - £41,392

Hip to gable loft conversion - £41,392

Granny annexe - £86,392

Garden office - £9,392

Convert a Garage - £15,392

Garage - £17,892

Build a flat roof extension - £21,392

Build a dormer loft conversion - £41,392

Concrete foundations - £5,642

Convert a bungalow loft - £28,392

Convert a basement - £30,660