Two-storey extensions in Sheerness
Everything for a two-storey extension in Sheerness, in one place: types, guide prices for South East England, the approval rules in England and how to get started.
Sheerness at a glance
- Postcode districts
- ME11 and ME12
- Area
- Kent, England
- Price region
- South East England
- Nearest towns
- Sittingbourne (7 miles), Southend-on-Sea (7 miles), Canvey Island (9.6 miles), Gillingham (9.9 miles)
- Distance to Maidstone
- about 16 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 ME11 and ME12 in and around Sheerness, along with neighbouring Sittingbourne, Southend-on-Sea and Canvey Island.
Extensions available in Sheerness
Two-storey rear extensions
For homes in Sheerness: typical guide from £61,500.
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Two-storey side extensions
From £94,500 in Sheerness. Free visit to firm it up.
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Two-storey wraparound extensions
Sheerness guide price from £132,500, Standard spec.
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Part single, part two-storey extensions
Sheerness guide price from £79,000, Standard spec.
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Extensions over a garage
From £34,500 in Sheerness. Free visit to firm it up.
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First-floor extensions
From £27,500 in Sheerness. Free visit to firm it up.
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Two-storey extensions for semi-detached houses
Design, approvals and build for Sheerness homes. Guide from £61,500.
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Two-storey extensions for detached houses
Guide from £94,500 in Sheerness, including VAT.
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Kitchen extensions with bedrooms above
Sheerness guide price from £61,500 (before kitchen units), Standard spec.
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Extra bedroom and en-suite extensions
For homes in Sheerness: typical guide from £61,500 (plus en-suite).
Learn moreWhich type suits your house?
Rear and side extensions suit most semi-detached and detached houses with room around them. Terraced and town-centre homes can take a two-storey extension too, with more care over neighbours, light and access.
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 Sheerness
Sheerness 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 Sheerness
Do you cover Sheerness?
Yes. We cover Sheerness (ME11 and ME12) and the surrounding area, including Sittingbourne and Southend-on-Sea. The first site visit is free.
What does a two-storey extension cost in Sheerness?
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 Sheerness do you cover?
Everywhere around it, including Sittingbourne (7 miles), Southend-on-Sea (7 miles) and Canvey Island (9.6 miles), and the rest of Kent.