Two-storey extensions in Peterlee
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Peterlee.
Peterlee at a glance
- Postcode districts
- SR8, TS27, TS28 and TS29
- Area
- County Durham, England
- Price region
- North East England
- Nearest towns
- Seaham (5.4 miles), Hetton-le-Hole (6 miles), Hartlepool (7.2 miles), Houghton-le-Spring (7.5 miles)
- Distance to Darlington
- about 18.4 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.
We cover postcode districts SR8, TS27, TS28 and TS29 in and around Peterlee, along with neighbouring Seaham, Hetton-le-Hole and Hartlepool.
Extensions available in Peterlee
Two-storey rear extensions
From £50,500 in Peterlee. Free visit to firm it up.
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Two-storey side extensions
Our North East England guide starts at £77,500 for this type.
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Two-storey wraparound extensions
From £108,500 in Peterlee. Free visit to firm it up.
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Part single, part two-storey extensions
From £65,000 in Peterlee. Free visit to firm it up.
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Extensions over a garage
Guide from £28,500 in Peterlee, including VAT.
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First-floor extensions
Guide from £22,500 in Peterlee, including VAT.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Peterlee homes. Guide from £50,500.
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Two-storey extensions for detached houses
Peterlee guide price from £77,500, Standard spec.
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Kitchen extensions with bedrooms above
For homes in Peterlee: typical guide from £50,500 (before kitchen units).
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Extra bedroom and en-suite extensions
From £50,500 (plus en-suite) in Peterlee. Free visit to firm it up.
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 Peterlee, 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 Peterlee
Peterlee 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 Peterlee
Do you cover Peterlee?
Yes. We cover Peterlee (SR8, TS27, TS28 and TS29) and the surrounding area, including Seaham and Hetton-le-Hole. The first site visit is free.
What does a two-storey extension cost in Peterlee?
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 Peterlee do you cover?
Everywhere around it, including Seaham (5.4 miles), Hetton-le-Hole (6 miles) and Hartlepool (7.2 miles), and the rest of County Durham.