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Select your affordable Annan extension builder
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 Annan. No obligation free quote...

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 Annan by posting a job with HaMuch. We'll send it to extension builders in Annan.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Carlisle | £24 | £203 |
| Build A Flat Roof Extension near Dumfries | £20 | £164 |
| Build A Flat Roof Extension near Dumfries & Galloway | £20 | £164 |
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 - £16,960

Two storey extension - £87,190

Build a timber frame extension - £25,460

Build a swimming pool - £80,460

Single storey extension - £44,200

Side return extension - £35,425

Install an RSJ - £1,660

Outbuilding - £9,460

Build a Mansard loft conversion - £51,460

Loft conversion - £28,688

Build a kitchen extension - £41,460

Hip to gable loft conversion - £41,460

Granny annexe - £86,460

Garden office - £9,460

Convert a Garage - £15,460

Garage - £17,960

Build a flat roof extension - £21,460

Build a dormer loft conversion - £41,460

Concrete foundations - £5,710

Convert a bungalow loft - £28,460

Convert a basement - £31,425