Two-storey extensions in Bishop Auckland
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Bishop Auckland.
Bishop Auckland at a glance
- Postcode districts
- DL14 and DL15
- Area
- County Durham, England
- Price region
- North East England
- Nearest towns
- Shildon (2.2 miles), Spennymoor (4.2 miles), Newton Aycliffe (4.9 miles), Ferryhill (5.4 miles)
- Distance to Darlington
- about 10.4 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.
Around Bishop Auckland we also work in Shildon, Spennymoor and Newton Aycliffe, and across the rest of County Durham. Postcode districts in and near Bishop Auckland: DL14 and DL15.
Extensions available in Bishop Auckland
Two-storey rear extensions
Guide from £50,500 in Bishop Auckland, including VAT.
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Two-storey side extensions
Design, approvals and build for Bishop Auckland homes. Guide from £77,500.
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Two-storey wraparound extensions
Guide from £108,500 in Bishop Auckland, including VAT.
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Part single, part two-storey extensions
From £65,000 in Bishop Auckland. Free visit to firm it up.
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Extensions over a garage
Our North East England guide starts at £28,500 for this type.
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First-floor extensions
Guide from £22,500 in Bishop Auckland, including VAT.
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Two-storey extensions for semi-detached houses
Our North East England guide starts at £50,500 for this type.
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Two-storey extensions for detached houses
From £77,500 in Bishop Auckland. Free visit to firm it up.
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Kitchen extensions with bedrooms above
From £50,500 (before kitchen units) in Bishop Auckland. Free visit to firm it up.
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Extra bedroom and en-suite extensions
Design, approvals and build for Bishop Auckland homes. Guide from £50,500 (plus en-suite).
Learn moreWhich type suits your house?
Rear and side extensions suit most semi-detached and detached houses with room around them. Terraced and town-centre homes can take a two-storey extension too, with more care over neighbours, light and access.
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 Bishop Auckland
Bishop Auckland 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 Bishop Auckland
Do you cover Bishop Auckland?
Yes. We cover Bishop Auckland (DL14 and DL15) and the surrounding area, including Shildon and Spennymoor. The first site visit is free.
What does a two-storey extension cost in Bishop Auckland?
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 Bishop Auckland do you cover?
Everywhere around it, including Shildon (2.2 miles), Spennymoor (4.2 miles) and Newton Aycliffe (4.9 miles), and the rest of County Durham.