Two-storey extensions in Peterborough
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Peterborough.
Peterborough at a glance
- Postcode districts
- PE1, PE2, PE3, PE4 and PE5
- Area
- Cambridgeshire, England
- Price region
- East of England
- Nearest towns
- Whittlesey (5.1 miles), Market Deeping (7.7 miles), Stamford (11.2 miles), March (14.2 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 Peterborough (PE1, PE2, PE3, PE4 and PE5) and the places around it, including Whittlesey (5.1 miles), Market Deeping (7.7 miles) and Stamford.
Extensions available in Peterborough

Two-storey rear extensions
For homes in Peterborough: typical guide from £57,500.
Learn more
Two-storey side extensions
Guide from £88,500 in Peterborough, including VAT.
Learn more
Two-storey wraparound extensions
Design, approvals and build for Peterborough homes. Guide from £124,000.
Learn more
Part single, part two-storey extensions
Guide from £74,000 in Peterborough, including VAT.
Learn more
Extensions over a garage
Peterborough guide price from £32,500, Standard spec.
Learn more
First-floor extensions
Design, approvals and build for Peterborough homes. Guide from £26,000.
Learn more
Two-storey extensions for semi-detached houses
From £57,500 in Peterborough. Free visit to firm it up.
Learn more
Two-storey extensions for detached houses
Guide from £88,500 in Peterborough, including VAT.
Learn more
Kitchen extensions with bedrooms above
Our East of England guide starts at £57,500 (before kitchen units) for this type.
Learn more
Extra bedroom and en-suite extensions
Our East of England guide starts at £57,500 (plus en-suite) for this type.
Learn moreWhich type suits your house?
Which type suits your house in Peterborough depends mostly on where you have room. A deep garden points to a rear extension; space beside the house points to a side or over-garage extension; a house that already has a single-storey extension can often take a first floor on top.
Also available in Cambridgeshire
- 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 Peterborough
Peterborough 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 Peterborough
Do you cover Peterborough?
Yes. We cover Peterborough (PE1, PE2, PE3, PE4 and PE5) and the surrounding area, including Whittlesey and Market Deeping. The first site visit is free.
What does a two-storey extension cost in Peterborough?
Using our East of 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 £57,500–£78,000 including VAT. An extension over a garage is about £32,500–£47,500.
Which other places near Peterborough do you cover?
Everywhere around it, including Whittlesey (5.1 miles), Market Deeping (7.7 miles) and Stamford (11.2 miles), and the rest of Cambridgeshire.