Two-storey extensions in Warwickshire
We cover all of Warwickshire for two-storey and first-floor extensions. Pick a town or an extension type below.
Warwickshire at a glance
- Nation
- England
- Price region
- West Midlands
- Postcode areas
- B, CV
- Main town
- Nuneaton
- Towns listed
- 10
- Site visits
- Free, no obligation
Choose your town
- Nuneaton
- Rugby
- Leamington Spa
- Warwick
- Bedworth
- Stratford-upon-Avon
- Kenilworth
- Hartshill
- Atherstone
- Attleborough (Warwickshire)
Guide prices in the West Midlands
| Extension type | Per m² | Typical project |
|---|---|---|
| Two-storey rear extension | £2,000–£2,700 per m² | £56,000–£75,500 |
| Two-storey side extension | £2,050–£2,750 per m² | £86,000–£115,500 |
| Two-storey wraparound extension | £2,150–£2,950 per m² | £120,500–£165,000 |
| Part single, part two-storey | £2,000–£2,750 per m² | £72,000–£99,000 |
| Extension over a garage | £1,750–£2,550 per m² | £31,500–£46,000 |
| First-floor extension over an existing single storey | £1,800–£2,600 per m² | £25,000–£36,500 |
| Two-storey front extension | £2,200–£3,000 per m² | £26,500–£36,000 |
Including VAT, Standard spec. See all prices and fees.
Towns in Warwickshire include Nuneaton (CV10), Rugby (CV21), Leamington Spa (CV31), Warwick (CV34), Bedworth (CV12), Stratford-upon-Avon (B49), Kenilworth (CV8) and Hartshill (CV10). If yours isn't listed, we still cover it.
Which type suits your house?
If you're not sure which type fits, that's what the free visit is for. We'll sketch the realistic options for your house in Warwickshire, with a rough idea of the approval route and cost for each.
The rules in England
Warwickshire is in England. Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission. Householder planning application: £548 (or £575 for applications made from 8 December 2026). Lawful development certificate: £274 (about £288 for applications from 8 December 2026). Councils should decide householder applications within 8 weeks of validation.
The full England rules explained
Extension types
- Two-storey rear extensions
- Two-storey side extensions
- Two-storey wraparound extensions
- Part single, part two-storey extensions
- Extensions over a garage
- First-floor extensions
- Two-storey front extensions
By house type
- Two-storey extensions for semi-detached houses
- Two-storey extensions for detached houses
- Two-storey extensions for end-of-terrace houses
Rooms and uses
- Kitchen extensions with bedrooms above
- Extra bedroom and en-suite extensions
- Two-storey annexe extensions
- Garage conversions with a room above
Design and approvals
- Two-storey extension plans and drawings
- Planning permission for two-storey extensions
- Structural engineering for two-storey extensions
- Building regulations for two-storey extensions
- Party wall notices for extensions
- Design and build two-storey extensions
Questions about extensions in Warwickshire
How much does a two-storey extension cost in Warwickshire?
In the West Midlands our guide for a two-storey rear extension is £2,000–£2,700 per m² including VAT, about £56,000–£75,500 for a 4 m × 3.5 m footprint on two floors (28 m² of new floor space). Side and wraparound extensions cost a little more per m².
Do I need planning permission in Warwickshire?
Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission. Householder planning application: £548 (or £575 for applications made from 8 December 2026). Lawful development certificate: £274 (about £288 for applications from 8 December 2026).
Do you cover the whole of Warwickshire?
Yes. We list the main towns here, but we cover the whole of Warwickshire including villages. The first site visit is free.
What happens at the first visit?
We look at your house, the boundaries, access and drains, talk through what you need and explain the approvals. Then we price the design stage, including the measured survey, in writing.