Two-storey extensions in Shanklin
Everything for a two-storey extension in Shanklin, in one place: types, guide prices for South East England, the approval rules in England and how to get started.
Shanklin is outside our usual mainland visit area, so visits and projects here are by arrangement. We'll agree any travel costs with you before anything is booked.
Shanklin at a glance
- Postcode districts
- PO37
- Area
- The Isle of Wight, England
- Price region
- South East England
- Nearest towns
- Sandown (1.9 miles), Ventnor (2.5 miles), Newport (Isle of Wight) (7.2 miles), Ryde (7.2 miles)
- Distance to Newport (Isle of Wight)
- about 7.2 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 postcode district PO37 in and around Shanklin, along with neighbouring Sandown, Ventnor and Newport (Isle of Wight).
Extensions available in Shanklin

Two-storey rear extensions
Our South East England guide starts at £61,500 for this type.
Learn more
Two-storey side extensions
Our South East England guide starts at £94,500 for this type.
Learn more
Two-storey wraparound extensions
Guide from £132,500 in Shanklin, including VAT.
Learn more
Part single, part two-storey extensions
Our South East England guide starts at £79,000 for this type.
Learn more
Extensions over a garage
For homes in Shanklin: typical guide from £34,500.
Learn more
First-floor extensions
Guide from £27,500 in Shanklin, including VAT.
Learn more
Two-storey extensions for semi-detached houses
Guide from £61,500 in Shanklin, including VAT.
Learn more
Two-storey extensions for detached houses
For homes in Shanklin: typical guide from £94,500.
Learn more
Kitchen extensions with bedrooms above
Our South East England guide starts at £61,500 (before kitchen units) for this type.
Learn more
Extra bedroom and en-suite extensions
Design, approvals and build for Shanklin homes. Guide from £61,500 (plus en-suite).
Learn moreWhich type suits your house?
Which type suits your house in Shanklin 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 the Isle of Wight
- 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 Shanklin
Shanklin 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 Shanklin
Do you cover Shanklin?
Yes. We cover Shanklin (PO37) and the surrounding area, including Sandown and Ventnor. Visits here are by arrangement.
What does a two-storey extension cost in Shanklin?
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 Shanklin do you cover?
Everywhere around it, including Sandown (1.9 miles), Ventnor (2.5 miles) and Newport (Isle of Wight) (7.2 miles), and the rest of the Isle of Wight.