From £9,936
If you need to outbuilding use an Extension Builder. Work is guarenteed and the cost won't hurt the pocket.
From £9,920
If you need to outbuilding use an Extension Builder. Work is guarenteed and the cost won't hurt the pocket.
From £10,032
If you need to outbuilding use an Extension Builder. Work is guarenteed and the cost won't hurt the pocket.
From £9,936
To outbuilding in KA3 we are a reliable and competitive extension builder. Expert service guaranteed.
From £9,992
You want to outbuilding? No problem, an Extension Builder is a reliable extension builder with years of experience helping homeowners.
From £9,744
ABG Resin Bond & Landscaping Ltd have been transforming driveways for many years, laying tarmac and installing block-paving, fence...
From £9,808
If you need to outbuilding use an Extension Builder. Work is guarenteed and the cost won't hurt the pocket.
From £9,968
an Extension Builder is an established company, providing a professional and tidy service.
From £10,240
If you need to outbuilding use an Extension Builder. Work is guarenteed and the cost won't hurt the pocket.
From £10,184
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 £9,664
A friendly extension builder in KA3. Happy to provide references and a free quote to outbuilding.
From £9,648
For all your needs. If you need to outbuilding contact us today to get a no obligation free quote.
From £10,256
We are a full design & build consultancy offering project management services targeting small to medium residential projects such as kitchen & bath...
From £9,952
You want to outbuilding? No problem, an Extension Builder is a reliable extension builder with years of experience helping homeowners.

Outbuilding costs in KA3 range from the cheapest of £9,648 (Glenavon Joinery & Construction Services Ltd based in ML10) to the dearest of £10,312 (Unibuild Property Services based in KA20), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in KA3 by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Kilmarnock | £30 | £222 |
| Outbuilding near Irvine | £32 | £235 |
| Outbuilding near Kilwinning | £29 | £220 |
| Outbuilding near Troon | £30 | £229 |
| Outbuilding near North Ayrshire | £29 | £218 |
| Outbuilding near Barrhead | £31 | £223 |
| Outbuilding near Newton Mearns | £30 | £224 |
| Outbuilding near Prestwick | £21 | £161 |
| Outbuilding near Johnstone | £45 | £333 |
| Outbuilding near Giffnock | £30 | £223 |
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 - £17,541

Two storey extension - £88,061

Build a timber frame extension - £26,041

Build a swimming pool - £81,041

Single storey extension - £55,819

Side return extension - £41,961

Install an RSJ - £2,241

Outbuilding - £10,041

Build a Mansard loft conversion - £52,041

Loft conversion - £34,134

Build a kitchen extension - £42,041

Hip to gable loft conversion - £42,041

Granny annexe - £87,041

Garden office - £10,041

Convert a Garage - £16,041

Garage - £18,541

Build a flat roof extension - £22,041

Build a dormer loft conversion - £42,041

Concrete foundations - £6,291

Convert a bungalow loft - £29,041

Convert a basement - £37,961