Planning decisions in Brentwood
As of 26 Jun 2026, covering the last 5 years.
On the public planning record, Brentwood approved 86% of 2,403 decided applications in the last 5 years. Here is the approval rate for the most common home-project types. It is useful before you apply and free for local reporters to cite with attribution to MyTrustedTraders.
Approval rate by project type
- Extension : 86% approved (450 decided, ~63 days)
- Rear extension : 86% approved (335 decided, ~60 days)
- Roof / fenestration : 85% approved (299 decided, ~66 days)
- Demolition : 87% approved (297 decided, ~59 days)
- Loft conversion : 86% approved (156 decided, ~66 days)
- Tree work : 99% approved (149 decided, ~50 days)
- Side extension : 86% approved (127 decided, ~65 days)
- Porch : 88% approved (106 decided, ~66 days)
- Two-storey extension : 77% approved (99 decided, ~64 days)
- Outbuilding / garden room : 84% approved (76 decided, ~66 days)
- Conservatory / orangery : 82% approved (57 decided, ~63 days)
- Driveway / dropped kerb : 75% approved (57 decided, ~56 days)
- New dwelling : 86% approved (56 decided, ~60 days)
- Boundary wall / fence / gates : 79% approved (53 decided, ~52 days)
- Change of use : 83% approved (46 decided, ~70 days)
- Advertisement / signage : 85% approved (40 decided, ~78 days)
Method
Figures are aggregates over the public planning decisions we hold for Brentwood, matched to a project type from the application description. Overall approval is decided-weighted across project types, using each type's rate over the last 5 years where we hold enough decisions, otherwise its full record. Only types with at least five decided applications are shown. We publish aggregate counts only, with no application references or applicant names. Full method and limits.