As a business we pride ourselves on running our business efficiently and to a very high standard. Our main aims are to communicate continuously thr...
From £21,720
Nick Hopewell Design, Build & Restoration is an established extension buildering business in DE6. We come highly recommended and provide competitiv...
From £22,040
Offering a turnkey solution for builds and renovations, we have built up a reputation for a friendly and professional service by our team of experi...

A flat roof extension ranges from the cheapest of £21,720 (Nick Hopewell Design, Build & Restoration based in DE6) to the dearest of £22,040 (MCS Design & Build Ltd based in DE6), 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 DE6 by posting a job with HaMuch. We'll send it to extension builders in DE6.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Amber Valley | £32 | £244 |
| Build A Flat Roof Extension near Belper | £32 | £244 |
| Build A Flat Roof Extension near Derby | £29 | £227 |
| Build A Flat Roof Extension near Burton upon Trent | £33 | £257 |
| Build A Flat Roof Extension near Ripley | £32 | £246 |
| Build A Flat Roof Extension near Leek | £33 | £254 |
| Build A Flat Roof Extension near Heanor | £31 | £236 |
| Build A Flat Roof Extension near Alfreton | £34 | £261 |
| Build A Flat Roof Extension near Ilkeston | £31 | £236 |
| Build A Flat Roof Extension near Swadlincote | £32 | £249 |
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 - £17,399

Two storey extension - £87,848

Build a timber frame extension - £25,899

Build a swimming pool - £80,899

Single storey extension - £52,973

Side return extension - £40,360

Install an RSJ - £2,099

Outbuilding - £9,899

Build a Mansard loft conversion - £51,899

Loft conversion - £32,800

Build a kitchen extension - £41,899

Hip to gable loft conversion - £41,899

Granny annexe - £86,899

Garden office - £9,899

Convert a Garage - £15,899

Garage - £18,399

Build a flat roof extension - £21,899

Build a dormer loft conversion - £41,899

Concrete foundations - £6,149

Convert a bungalow loft - £28,899

Convert a basement - £36,360