Two-storey extensions in Bognor Regis
From over-garage bedrooms to full wraparounds, we cover every kind of two-storey extension in Bognor Regis.
Bognor Regis at a glance
- Postcode districts
- PO21 and PO22
- Area
- West Sussex, England
- Price region
- South East England
- Nearest towns
- Barnham (3.9 miles), Westergate (4 miles), Chichester (5.8 miles), Selsey (5.8 miles)
- Distance to Crawley
- about 31.5 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.
Bognor Regis sits about 31.5 miles from Crawley. Closer to home, Barnham is 3.9 miles away and Westergate 4.0 miles.
Extensions available in Bognor Regis
Two-storey rear extensions
For homes in Bognor Regis: typical guide from £61,500.
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Two-storey side extensions
From £94,500 in Bognor Regis. Free visit to firm it up.
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Two-storey wraparound extensions
Design, approvals and build for Bognor Regis homes. Guide from £132,500.
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Part single, part two-storey extensions
From £79,000 in Bognor Regis. Free visit to firm it up.
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Extensions over a garage
From £34,500 in Bognor Regis. Free visit to firm it up.
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First-floor extensions
For homes in Bognor Regis: typical guide from £27,500.
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Two-storey extensions for semi-detached houses
Our South East England guide starts at £61,500 for this type.
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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
From £61,500 (before kitchen units) in Bognor Regis. Free visit to firm it up.
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Extra bedroom and en-suite extensions
From £61,500 (plus en-suite) in Bognor Regis. Free visit to firm it up.
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 West 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 Bognor Regis
Bognor Regis 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 Bognor Regis
Do you cover Bognor Regis?
Yes. We cover Bognor Regis (PO21 and PO22) and the surrounding area, including Barnham and Westergate. The first site visit is free.
What does a two-storey extension cost in Bognor Regis?
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 Bognor Regis do you cover?
Everywhere around it, including Barnham (3.9 miles), Westergate (4 miles) and Chichester (5.8 miles), and the rest of West Sussex.