Two-storey extensions in Blaydon-on-Tyne
Everything for a two-storey extension in Blaydon-on-Tyne, in one place: types, guide prices for North East England, the approval rules in England and how to get started.
Blaydon-on-Tyne at a glance
- Postcode districts
- NE21 and NE39
- Area
- Tyne and Wear, England
- Price region
- North East England
- Nearest towns
- Whickham (2 miles), Newburn (2 miles), Newcastle upon Tyne (4 miles), Gateshead (4.5 miles)
- Distance to Newcastle upon Tyne
- about 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 Blaydon-on-Tyne we also work in Whickham, Newburn and Newcastle upon Tyne, and across the rest of Tyne and Wear. Postcode districts in and near Blaydon-on-Tyne: NE21 and NE39.
Extensions available in Blaydon-on-Tyne
Two-storey rear extensions
Our North East England guide starts at £50,500 for this type.
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Two-storey side extensions
From £77,500 in Blaydon-on-Tyne. Free visit to firm it up.
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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
Our North East England guide starts at £65,000 for this type.
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Extensions over a garage
Design, approvals and build for Blaydon-on-Tyne homes. Guide from £28,500.
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First-floor extensions
From £22,500 in Blaydon-on-Tyne. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Guide from £50,500 in Blaydon-on-Tyne, including VAT.
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Two-storey extensions for detached houses
From £77,500 in Blaydon-on-Tyne. Free visit to firm it up.
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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 Blaydon-on-Tyne homes. Guide from £50,500 (plus en-suite).
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in Tyne and Wear, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
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 Blaydon-on-Tyne
Blaydon-on-Tyne 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 Blaydon-on-Tyne
Do you cover Blaydon-on-Tyne?
Yes. We cover Blaydon-on-Tyne (NE21 and NE39) and the surrounding area, including Whickham and Newburn. The first site visit is free.
What does a two-storey extension cost in Blaydon-on-Tyne?
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 Blaydon-on-Tyne do you cover?
Everywhere around it, including Whickham (2 miles), Newburn (2 miles) and Newcastle upon Tyne (4 miles), and the rest of Tyne and Wear.