Two-storey extensions in Canterbury
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Canterbury.
Canterbury at a glance
- Postcode districts
- CT1, CT2, CT3 and CT4
- Area
- Kent, England
- Price region
- South East England
- Nearest towns
- Whitstable (6.1 miles), Herne Bay (6.8 miles), Faversham (8.6 miles), Birchington-on-Sea (11.8 miles)
- Distance to Maidstone
- about 24.4 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 Canterbury (CT1, CT2, CT3 and CT4) and the places around it, including Whitstable (6.1 miles), Herne Bay (6.8 miles) and Faversham.
Extensions available in Canterbury
Two-storey rear extensions
Our South East England guide starts at £61,500 for this type.
Learn more
Two-storey side extensions
For homes in Canterbury: typical guide from £94,500.
Learn more
Two-storey wraparound extensions
Design, approvals and build for Canterbury homes. Guide from £132,500.
Learn more
Part single, part two-storey extensions
For homes in Canterbury: typical guide from £79,000.
Learn more
Extensions over a garage
Guide from £34,500 in Canterbury, including VAT.
Learn more
First-floor extensions
Our South East England guide starts at £27,500 for this type.
Learn more
Two-storey extensions for semi-detached houses
From £61,500 in Canterbury. Free visit to firm it up.
Learn more
Two-storey extensions for detached houses
Guide from £94,500 in Canterbury, including VAT.
Learn more
Kitchen extensions with bedrooms above
From £61,500 (before kitchen units) in Canterbury. Free visit to firm it up.
Learn more
Extra bedroom and en-suite extensions
Design, approvals and build for Canterbury homes. Guide from £61,500 (plus en-suite).
Learn moreWhich type suits your house?
The boundaries usually decide it. Two-storey work close to a neighbour needs careful design for light and privacy, so at the visit in Canterbury we measure distances to every boundary before suggesting a type.
Also available in Kent
- 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 Canterbury
Canterbury 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 Canterbury
Do you cover Canterbury?
Yes. We cover Canterbury (CT1, CT2, CT3 and CT4) and the surrounding area, including Whitstable and Herne Bay. The first site visit is free.
What does a two-storey extension cost in Canterbury?
Using our South 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 £61,500–£83,000 including VAT. An extension over a garage is about £34,500–£50,500.
Which other places near Canterbury do you cover?
Everywhere around it, including Whitstable (6.1 miles), Herne Bay (6.8 miles) and Faversham (8.6 miles), and the rest of Kent.