From £21,392
Dumfries, DG2
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...
From £21,272
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,648
Experienced extension builder ready to quote for your work. L I P CONSTRUCTION LTD is the best extension builder in Dumfries. No obligation free qu...

A flat roof extension ranges from the cheapest of £21,272 (LAKELAND CONSTRUCTION SER LTD based in DG11) to the dearest of £21,648 (L I P CONSTRUCTION LTD based in DG11), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Dumfries by posting a job with HaMuch. We'll send it to extension builders in Dumfries.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Dumfries | £20 | £164 |
| Build A Flat Roof Extension near Dumfries & Galloway | £20 | £164 |
| Build A Flat Roof Extension near Carlisle | £24 | £204 |
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 - £16,937

Two storey extension - £87,156

Build a timber frame extension - £25,437

Build a swimming pool - £80,437

Single storey extension - £43,747

Side return extension - £35,170

Install an RSJ - £1,637

Outbuilding - £9,437

Build a Mansard loft conversion - £51,437

Loft conversion - £28,475

Build a kitchen extension - £41,437

Hip to gable loft conversion - £41,437

Granny annexe - £86,437

Garden office - £9,437

Convert a Garage - £15,437

Garage - £17,937

Build a flat roof extension - £21,437

Build a dormer loft conversion - £41,437

Concrete foundations - £5,687

Convert a bungalow loft - £28,437

Convert a basement - £31,170