From £87,184
Our building services company JB All Trades Ltd has thirty-three years experience and we have been helping customers in Glasgow and the surrounding...
From £86,952
Relax... you have found a reliable extension builder in Cathcart. Green Olive Projects LTD is a friendly and reliable company based in Cathcart who...
From £87,256
We are a full design & build consultancy offering project management services targeting small to medium residential projects such as kitchen & bath...
From £87,280
Relax... you have found a reliable extension builder in Cathcart. Arkiton is a friendly and reliable company based in Cathcart who consider no job ...
From £86,952
Arkiton is one of the first combined architecture and construction companies in Glasgow, founded in 2017 by our in-house architect. Our aim is to s...
From £86,664
Need an Extension Builder in Cathcart? J & S Autos (Glasgow) Ltd has been helping local clients (20 mile radius) with their extension buildering jo...
From £86,984
nest is an established extension buildering business in Cathcart. We come highly recommended and provide competitive quotes for your work.
From £87,192
If you’ve been searching for ‘Builder’s near me’ then look no further than KB Contractors . As local Builders, we’ve established...
From £86,808
Boyle Construction Glasgow Ltd is a trusted extension builder serving customers in Cathcart and the surrounding area. Contact us to today to get a ...
From £86,968
RADICAL CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Cathcart. We offer a competitive rate to complete all your...

Building a granny annexe ranges from £86,664 (J & S Autos (Glasgow) Ltd based in G51) to £87,280 (Arkiton based in G1), 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 Cathcart by posting a job with HaMuch. We will send it to extension builders in Cathcart who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Giffnock | £35 | £260 |
| Granny Annexe near Rutherglen | £34 | £255 |
| Granny Annexe near Glasgow | £35 | £259 |
| Granny Annexe near Cambuslang | £34 | £250 |
| Granny Annexe near Newton Mearns | £35 | £263 |
| Granny Annexe near East Kilbride | £34 | £247 |
| Granny Annexe near Blantyre | £33 | £240 |
| Granny Annexe near Barrhead | £35 | £255 |
| Granny Annexe near Paisley | £34 | £259 |
| Granny Annexe near Bishopbriggs | £35 | £262 |
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 - £17,524

Two storey extension - £88,036

Build a timber frame extension - £26,024

Build a swimming pool - £81,024

Single storey extension - £55,480

Side return extension - £41,770

Install an RSJ - £2,224

Outbuilding - £10,024

Build a Mansard loft conversion - £52,024

Loft conversion - £33,975

Build a kitchen extension - £42,024

Hip to gable loft conversion - £42,024

Granny annexe - £87,024

Garden office - £10,024

Convert a Garage - £16,024

Garage - £18,524

Build a flat roof extension - £22,024

Build a dormer loft conversion - £42,024

Concrete foundations - £6,274

Convert a bungalow loft - £29,024

Convert a basement - £37,770