Planning decisions in Spelthorne
As of 26 Jun 2026, covering the last 5 years.
On the public planning record, Spelthorne approved 82% of 2,279 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 : 82% approved (627 decided, ~56 days)
- Rear extension : 83% approved (484 decided, ~56 days)
- Loft conversion : 73% approved (175 decided, ~56 days)
- Roof / fenestration : 79% approved (169 decided, ~56 days)
- Demolition : 85% approved (144 decided, ~59 days)
- Side extension : 81% approved (136 decided, ~57 days)
- Two-storey extension : 71% approved (99 decided, ~62 days)
- Outbuilding / garden room : 86% approved (81 decided, ~59 days)
- Porch : 95% approved (73 decided, ~56 days)
- Conservatory / orangery : 88% approved (68 decided, ~55 days)
- Change of use : 62% approved (63 decided, ~70 days)
- Tree work : 98% approved (59 decided, ~47 days)
- Listed building / conservation : 97% approved (59 decided, ~48 days)
- Boundary wall / fence / gates : 76% approved (42 decided, ~67 days)
Method
Figures are aggregates over the public planning decisions we hold for Spelthorne, 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.