Planning permission in Brentwood
Most single-storey rear extensions within the national permitted development limits don't need planning permission in Brentwood. The rules are stricter in its 13 conservation areas, where side extensions, two-storey extensions and loft dormers need permission. Check your address to see which rules apply.
Brentwood at a glance
- Conservation areas
- 13
- Article 4 areas
- Not published
- Protected landscapes
- None
- Planning decisions
- Brentwood Borough Council
How many conservation areas are there in Brentwood?
Brentwood has 13 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.
- Blackmore
- Brentwood Town Centre
- Fryerning
- Great Warley
- Herongate
- Highwood Hospital, Brentwood
- Hutton Village
- Ingatestone, High Street
- Ingatestone, Station Lane
- South Weald
- Thorndon Park
- Warley Place
- Weald Park
Read more: extensions, loft dormers, garden rooms and solar panels in a conservation area.
Does Brentwood have Article 4 directions?
Brentwood 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 Brentwood in a national park, National Landscape or green belt?
- There is green belt in or bordering Brentwood. Householder permitted development rights apply as normal in the green belt, but if you need planning permission, green belt policy limits how much a home can be enlarged.
Listed buildings and protected trees in Brentwood
Listed buildings everywhere in England are recorded by Historic England, and the checker looks for them at every address. Brentwood 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.
Brentwood 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 Brentwood publish?
| Data | Status | Records |
|---|---|---|
| Conservation area boundaries | Published | 13 |
| 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 Brentwood? Put a pin on your house and we'll check it against all of this.
Start a checkOther councils in East of England
- Babergh
- Basildon
- Bedford
- Braintree
- Breckland
- Broadland
- Broxbourne
- Cambridge
- Castle Point
- Central Bedfordshire
- Chelmsford
- Colchester
- Dacorum
- East Cambridgeshire
- East Hertfordshire
- East Suffolk
- Epping Forest
- Fenland
- Great Yarmouth
- Harlow
- Hertsmere
- Huntingdonshire
- Ipswich
- King's Lynn and West Norfolk
- Luton
- Maldon
- Mid Suffolk
- North Hertfordshire
- North Norfolk
- Norwich
- Peterborough
- Rochford
- South Cambridgeshire
- South Norfolk
- Southend-on-Sea
- St Albans City and
- Stevenage
- Tendring
- Three Rivers
- Thurrock
- Uttlesford
- Watford
- Welwyn Hatfield
- West Suffolk
Data from planning.data.gov.uk, published by Brentwood Borough Council and national bodies under the Open Government Licence, last updated here on 30 October 2026. Brentwood Borough Council website.