Planning decisions in Chelmsford
As of 30 Jun 2026, covering the last 5 years.
On the public planning record, Chelmsford approved 86% of 1,579 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 : 87% approved (396 decided, ~53 days)
- Rear extension : 87% approved (287 decided, ~53 days)
- Roof / fenestration : 86% approved (136 decided, ~53 days)
- Demolition : 83% approved (122 decided, ~55 days)
- Tree work : 96% approved (119 decided, ~40 days)
- Side extension : 85% approved (118 decided, ~55 days)
- Two-storey extension : 83% approved (89 decided, ~55 days)
- Loft conversion : 86% approved (85 decided, ~53 days)
- Porch : 91% approved (75 decided, ~53 days)
- Change of use : 69% approved (58 decided, ~56 days)
- Conservatory / orangery : 87% approved (53 decided, ~53 days)
- Boundary wall / fence / gates : 80% approved (41 decided, ~54 days)
Method
Figures are aggregates over the public planning decisions we hold for Chelmsford, 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.
Planning a project in Chelmsford?
3 architects with public evidence are listed for Chelmsford. Their profiles show reviews, credentials and, where we hold it, real planning history.
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