Two-storey extensions in Stanley
Homeowners in Stanley can use us for the whole project or just the drawings and approvals. Start with a free visit.
Stanley at a glance
- Postcode districts
- DH9
- Area
- County Durham, England
- Price region
- North East England
- Nearest towns
- Annfield Plain (1.7 miles), Chester-le-Street (5 miles), Consett (5.4 miles), Whickham (5.4 miles)
- Distance to Darlington
- about 24.5 miles
- Approvals
- Two-storey rear: up to 3 m deep and 7 m from the rear boundary under permitted development. Side, wraparound and front: planning permission.
We cover Stanley (DH9) and the places around it, including Annfield Plain (1.7 miles), Chester-le-Street (5.0 miles) and Consett.
Extensions available in Stanley
Two-storey rear extensions
Design, approvals and build for Stanley homes. Guide from £50,500.
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Two-storey side extensions
Design, approvals and build for Stanley homes. Guide from £77,500.
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Two-storey wraparound extensions
Stanley guide price from £108,500, Standard spec.
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Part single, part two-storey extensions
Guide from £65,000 in Stanley, including VAT.
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Extensions over a garage
Design, approvals and build for Stanley homes. Guide from £28,500.
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First-floor extensions
Design, approvals and build for Stanley homes. Guide from £22,500.
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Two-storey extensions for semi-detached houses
Stanley guide price from £50,500, Standard spec.
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Two-storey extensions for detached houses
Guide from £77,500 in Stanley, including VAT.
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Kitchen extensions with bedrooms above
From £50,500 (before kitchen units) in Stanley. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Stanley guide price from £50,500 (plus en-suite), Standard spec.
Learn moreWhich 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 Stanley, with a rough idea of the approval route and cost for each.
Also available in County Durham
- Two-storey front extensions
- Two-storey extensions for end-of-terrace houses
- Two-storey annexe extensions
- Garage conversions with a room above
- 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
Rules for Stanley
Stanley 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
Questions about extensions in Stanley
Do you cover Stanley?
Yes. We cover Stanley (DH9) and the surrounding area, including Annfield Plain and Chester-le-Street. The first site visit is free.
What does a two-storey extension cost in Stanley?
Using our North East England guide, a two-storey rear extension with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space) is about £50,500–£68,000 including VAT. An extension over a garage is about £28,500–£41,500.
Which other places near Stanley do you cover?
Everywhere around it, including Annfield Plain (1.7 miles), Chester-le-Street (5 miles) and Consett (5.4 miles), and the rest of County Durham.