From £42,112
Need to find an Extension Builder near you for all your extension buildering work?
J Pearson Building provides a local, trusted extension b...
From £41,752
Fitted Solutions was established in 2006 by founder Sam Fisher; with a promise to deliver exceptional craftmanship combined with first class custom...
From £41,904
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £41,864
Nestled in the rolling hillside of the West Midlands, Derby is a city birthed by the Roman Empire, and grown in the industrial revolution. Initiall...
From £41,744
The Blackbrook Group offers a one-stop shop for your construction project. We offer support from concept through to completion. We start with an in...

Kitchen extensions in DE21 range from the cheapest of £41,744 (The Blackbrook Group based in DE22) to the dearest of £42,112 (J Pearson Building based in DE24), but these are just estimates based on our database of hourly and daily rates from tradespeople across the country.
The best way to get an accurate price for your kitchen extension is to get actual quotes. Post your job on HaMuch now and we'll send it to extension builders in DE21.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Kitchen Extension near Derby | £29 | £227 |
| Build A Kitchen Extension near Erewash | £31 | £234 |
| Build A Kitchen Extension near Ilkeston | £31 | £236 |
| Build A Kitchen Extension near Amber Valley | £32 | £244 |
| Build A Kitchen Extension near Belper | £32 | £244 |
| Build A Kitchen Extension near Heanor | £31 | £236 |
| Build A Kitchen Extension near Long Eaton | £32 | £249 |
| Build A Kitchen Extension near Ripley | £32 | £246 |
| Build A Kitchen Extension near Broxtowe | £34 | £240 |
| Build A Kitchen Extension near Nottingham | £34 | £241 |
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 - £17,375

Two storey extension - £87,813

Build a timber frame extension - £25,875

Build a swimming pool - £80,875

Single storey extension - £52,504

Side return extension - £40,096

Install an RSJ - £2,075

Outbuilding - £9,875

Build a Mansard loft conversion - £51,875

Loft conversion - £32,580

Build a kitchen extension - £41,875

Hip to gable loft conversion - £41,875

Granny annexe - £86,875

Garden office - £9,875

Convert a Garage - £15,875

Garage - £18,375

Build a flat roof extension - £21,875

Build a dormer loft conversion - £41,875

Concrete foundations - £6,125

Convert a bungalow loft - £28,875

Convert a basement - £36,096