Two-storey extensions in Bexhill-on-Sea
Everything for a two-storey extension in Bexhill-on-Sea, in one place: types, guide prices for South East England, the approval rules in England and how to get started.
Bexhill-on-Sea at a glance
- Postcode districts
- TN33, TN39 and TN40
- Area
- East Sussex, England
- Price region
- South East England
- Nearest towns
- St Leonards-on-Sea (3.3 miles), Hastings (4.8 miles), Hailsham (9.3 miles), Eastbourne (9.9 miles)
- Distance to Brighton
- about 26.7 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.
Around Bexhill-on-Sea we also work in St Leonards-on-Sea, Hastings and Hailsham, and across the rest of East Sussex. Postcode districts in and near Bexhill-on-Sea: TN33, TN39 and TN40.
Extensions available in Bexhill-on-Sea
Two-storey rear extensions
Design, approvals and build for Bexhill-on-Sea homes. Guide from £61,500.
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Two-storey side extensions
From £94,500 in Bexhill-on-Sea. Free visit to firm it up.
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Two-storey wraparound extensions
Our South East England guide starts at £132,500 for this type.
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Part single, part two-storey extensions
Bexhill-on-Sea guide price from £79,000, Standard spec.
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Extensions over a garage
From £34,500 in Bexhill-on-Sea. Free visit to firm it up.
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First-floor extensions
For homes in Bexhill-on-Sea: typical guide from £27,500.
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Two-storey extensions for semi-detached houses
For homes in Bexhill-on-Sea: typical guide from £61,500.
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Two-storey extensions for detached houses
Our South East England guide starts at £94,500 for this type.
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Kitchen extensions with bedrooms above
For homes in Bexhill-on-Sea: typical guide from £61,500 (before kitchen units).
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Extra bedroom and en-suite extensions
For homes in Bexhill-on-Sea: typical guide from £61,500 (plus en-suite).
Learn moreWhich type suits your house?
Rear, side, wraparound or over the garage: each adds space in a different way. For most houses in East Sussex, one or two of these will clearly suit the plot better than the rest, and we'll tell you which.
Also available in East Sussex
- 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 Bexhill-on-Sea
Bexhill-on-Sea 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 Bexhill-on-Sea
Do you cover Bexhill-on-Sea?
Yes. We cover Bexhill-on-Sea (TN33, TN39 and TN40) and the surrounding area, including St Leonards-on-Sea and Hastings. The first site visit is free.
What does a two-storey extension cost in Bexhill-on-Sea?
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 Bexhill-on-Sea do you cover?
Everywhere around it, including St Leonards-on-Sea (3.3 miles), Hastings (4.8 miles) and Hailsham (9.3 miles), and the rest of East Sussex.