Kitchen extensions with bedrooms above in Oakwood (Derbyshire)
A kitchen extension with bedrooms above is one of the most space-efficient ways to add bedrooms and living space to a house in Oakwood (Derbyshire), because the new floors share one set of foundations and one roof.
Useful details for planning a kitchen extension with bedrooms above in Oakwood (Derbyshire).
- Postcode districts
- DE21
- County / area
- Derbyshire, England
- Price region
- East Midlands
- Guide price
- £55,000–£74,000 (£1,960–£2,650 per m²), kitchen units and worktops priced separately
- Approval route
- It may be permitted development if it goes no more than 3 m beyond the original rear wall (counting any single-storey part) and stays 7 m from the rear boundary; otherwise it needs planning permission.
- Nearest towns
- Chaddesden (1 mile), Derby (2.4 miles), Sinfin (4.9 miles)
- Distance to Derby
- about 2.4 miles
- First visit
- Free, no obligation
About a kitchen extension with bedrooms above
A kitchen extension with bedrooms above is a two-storey extension designed so the ground floor becomes a larger, usually open-plan kitchen and dining space, with one or two bedrooms or a bathroom on the first floor. It is a natural fit for a two-storey rear extension. The key design issues are the steel beams that open up the house, glazing and ventilation.
We cover Oakwood (Derbyshire) (DE21) and the places around it, including Chaddesden (1.0 miles), Derby (2.4 miles) and Sinfin.
What it costs in Oakwood (Derbyshire)
Most of the cost of a kitchen extension with bedrooms above is set by its size and specification. For Oakwood (Derbyshire) and the rest of the East Midlands, our guide is £1,960–£2,650 per m² including VAT, so about £55,000–£74,000 (kitchen units and worktops priced separately) for a 4 m × 3.5 m footprint on two floors (28 m² of new floor space). We'll give you a written design-stage price first, then a fixed build price once the drawings are agreed.
| Spec | Per m² | A 4 m × 3.5 m footprint on two floors (28 m² of new floor space) |
|---|---|---|
| Essential | £1,800–£2,430 per m² | £50,500–£68,000 |
| Standard | £1,960–£2,650 per m² | £55,000–£74,000 |
| Premium | £2,350–£3,180 per m² | £66,000–£89,000 |
Planning and building regulations in Oakwood (Derbyshire)
In England, a two-storey rear kitchen extension can be permitted development if it goes no more than 3 m beyond the rear wall of the original house and stays at least 7 m from the rear boundary, with matching materials and roof pitch, outside protected areas. No balconies are allowed. Deeper designs need planning permission, costing £548 (or £575 for applications made from 8 December 2026).
Approval in England: 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.
Building regulations: Building regulations approval (full plans recommended) from the council or a registered building control approver, with a completion certificate at the end.
Design points for Oakwood (Derbyshire) homes
Bedrooms over a kitchen
Bedrooms above need an escape window or a protected route to the stairs, plus good sound insulation from the kitchen below. We position the stairs, landing and bedroom doors so the new rooms connect naturally to the existing first floor.
Glazing and the Part L 25% rule
In England, new windows, roof lights and glazed doors in an extension are normally limited to 25% of the extension's floor area plus the area of any windows or doors removed. Larger glazing is possible, but needs SAP or compensating calculations, so we plan the rear doors around this from the start.
How we'd run your project
Look at the house
We start in Oakwood (Derbyshire) with a free visit: measurements, photos, a look at the loft and drains, and a frank chat about budget.
Get it approved
Once you're happy with the design we submit it to the council for Oakwood (Derbyshire) and deal with any questions from the planning officer.
Structure and building control
A structural engineer sizes the foundations and steels, and we get building regulations approval before work starts.
Build and sign-off
Vetted teams working under S&K build the extension, and we arrange the building control completion certificate at the end.
Questions about kitchen extensions with bedrooms above in Oakwood (Derbyshire)
How long does a kitchen extension with bedrooms above take?
Allow 4 to 8 weeks for survey and design, then the approval period (councils should decide householder applications within 8 weeks of validation), then 4 to 8 weeks of technical design, which can overlap. The build itself usually takes 14 to 20 weeks, longer for large or complex designs.
Do I need planning permission for a kitchen extension with bedrooms above in Oakwood (Derbyshire)?
Oakwood (Derbyshire) is in England, so England planning rules apply. It may be permitted development if it goes no more than 3 m beyond the original rear wall (counting any single-storey part) and stays 7 m from the rear boundary; otherwise it needs planning permission. If in doubt, a lawful development certificate or a planning application gives you certainty before you build.
Which postcodes do you cover around Oakwood (Derbyshire)?
We cover Oakwood (Derbyshire) (DE21) and nearby places including Chaddesden, Derby and Sinfin, plus the rest of Derbyshire. The first site visit is free.
Is it cheaper to build a kitchen extension and bedrooms at the same time?
Yes, in most cases. Building both floors at once means one set of foundations, one roof, one scaffold and one set of approvals. Adding a first floor later means removing the original roof, possibly strengthening the foundations and disrupting the kitchen again. If you think you will need the bedroom, build it now.
Can I keep using my kitchen during the build?
For part of it. The new structure can be built while your existing kitchen stays in use, but when the rear wall is opened and the new kitchen is fitted there will be several weeks without one. We plan when this happens and help you set up a temporary kitchen elsewhere in the house.
Nearby
We also cover places near Oakwood (Derbyshire), including:
Other extensions in Oakwood (Derbyshire)
All two-storey extension services in Oakwood (Derbyshire) · Kitchen extensions with bedrooms above across Derbyshire
Book a free site visit in Oakwood (Derbyshire) and we'll tell you what's possible, what approvals you need and what the design stage would cost.