Planning permission in Arun
Most single-storey rear extensions within the national permitted development limits don't need planning permission in Arun. The rules are stricter in its 24 conservation areas, where side extensions, two-storey extensions and loft dormers need permission. Check your address to see which rules apply.
Arun at a glance
- Conservation areas
- 24
- Article 4 areas
- Not published
- Protected landscapes
- South Downs
- Planning decisions
- Arun District Council
How many conservation areas are there in Arun?
Arun has 24 conservation areas. In a conservation area, permitted development rights are reduced: side extensions, two-storey extensions, loft dormers and cladding all need planning permission, and many councils add Article 4 directions on top.
- Aldingbourne Church Road
- Aldwick
- Angmering
- Barnham (Church Lane)
- Bognor Regis (Aldwick Road)
- Bognor Regis (Railway Station)
- Bognor Regis (The Steyne and Waterloo Square)
- Bognor Regis (Upper Bognor Road and Mead Lane)
- Eastergate (Church Lane) and Eastergate (Square)
- East Preston Station Road
- Felpham
- Ferring
- Littlehampton (East Street)
- Littlehampton (River Road)
- Littlehampton (Seafront)
- Lyminster
- North Bersted
- Norton
- Poling
- Rustington
- Shripney
- Walberton Village and Walberton Green
- Warmingcamp
- Yapton Main Road and Church Lane
Read more: extensions, loft dormers, garden rooms and solar panels in a conservation area.
Does Arun have Article 4 directions?
Arun hasn't published any Article 4 boundaries on planning.data.gov.uk. Most councils have at least one Article 4 direction, often in conservation areas, so check the council's website or ask its planning team before relying on permitted development.
What is an Article 4 direction?
Is any of Arun in a national park, National Landscape or green belt?
- National park in or bordering Arun: South Downs.
National parks and National Landscapes restrict permitted development in similar ways to conservation areas. Read more: extensions, loft dormers and garden rooms.
Listed buildings and protected trees in Arun
Listed buildings everywhere in England are recorded by Historic England, and the checker looks for them at every address. Arun doesn't publish listed building outlines, so where a listed building is recorded near an address, we ask the homeowner to check whether it's theirs.
Arun doesn't publish its tree preservation orders as data. If there are mature trees near your project, ask the council whether any are protected before you start.
What planning data does Arun publish?
| Data | Status | Records |
|---|---|---|
| Conservation area boundaries | Published | 24 |
| Article 4 direction boundaries | Not published | 0 |
| Listed building outlines | Not published | 0 |
| Tree preservation order areas | Not published | 0 |
| Protected trees | Not published | 0 |
Planning work on a home in Arun? Put a pin on your house and we'll check it against all of this.
Start a checkOther councils in South East
- Adur
- Ashford
- Basingstoke and Deane
- Bracknell Forest
- Brighton and Hove
- Buckinghamshire
- Canterbury
- Cherwell
- Chichester
- Crawley
- Dartford
- Dover
- East Hampshire
- Eastbourne
- Eastleigh
- Elmbridge
- Epsom and Ewell
- Fareham
- Folkestone and Hythe
- Gosport
- Gravesham
- Guildford
- Hart
- Hastings
- Havant
- Horsham
- Isle of Wight
- Lewes
- Maidstone
- Medway
- Mid Sussex
- Milton Keynes
- Mole Valley
- New Forest
- Oxford
- Portsmouth
- Reading
- Reigate and Banstead
- Rother
- Runnymede
- Rushmoor
- Sevenoaks
- Slough
- South Oxfordshire
- Southampton
- Spelthorne
- Surrey Heath
- Swale
- Tandridge
- Test Valley
- Thanet
- Tonbridge and Malling
- Tunbridge Wells
- Vale of White Horse
- Waverley
- Wealden
- West Berkshire
- West Oxfordshire
- Winchester
- Windsor and Maidenhead
- Woking
- Wokingham
- Worthing
Data from planning.data.gov.uk, published by Arun District Council and national bodies under the Open Government Licence, last updated here on 31 October 2026. Arun District Council website.