Two-storey extensions in Sunderland
Need more room in Sunderland? Two-storey and first-floor extensions add bedrooms and living space without moving. Here's everything we offer locally.
Sunderland at a glance
- Postcode districts
- SR1, SR4, SR6 and SR9
- Area
- Tyne and Wear, England
- Price region
- North East England
- Nearest towns
- Ryhope (2.3 miles), The Boldons (3.9 miles), Seaham (4.8 miles), Washington (5.4 miles)
- Distance to Newcastle upon Tyne
- 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 Sunderland we also work in Ryhope, The Boldons and Seaham, and across the rest of Tyne and Wear. Postcode districts in and near Sunderland: SR1, SR4, SR6 and SR9.
Extensions available in Sunderland
Two-storey rear extensions
Sunderland guide price from £50,500, Standard spec.
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Two-storey side extensions
Design, approvals and build for Sunderland homes. Guide from £77,500.
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Two-storey wraparound extensions
Our North East England guide starts at £108,500 for this type.
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Part single, part two-storey extensions
Design, approvals and build for Sunderland homes. Guide from £65,000.
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Extensions over a garage
Sunderland guide price from £28,500, Standard spec.
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First-floor extensions
Our North East England guide starts at £22,500 for this type.
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Two-storey extensions for semi-detached houses
For homes in Sunderland: typical guide from £50,500.
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Two-storey extensions for detached houses
Our North East England guide starts at £77,500 for this type.
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Kitchen extensions with bedrooms above
Our North East England guide starts at £50,500 (before kitchen units) for this type.
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Extra bedroom and en-suite extensions
Design, approvals and build for Sunderland 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 Tyne and Wear
- 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 Sunderland
Sunderland 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 Sunderland
Do you cover Sunderland?
Yes. We cover Sunderland (SR1, SR4, SR6 and SR9) and the surrounding area, including Ryhope and The Boldons. The first site visit is free.
What does a two-storey extension cost in Sunderland?
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 Sunderland do you cover?
Everywhere around it, including Ryhope (2.3 miles), The Boldons (3.9 miles) and Seaham (4.8 miles), and the rest of Tyne and Wear.