Planning decisions in Horsham
As of 16 Jun 2026, covering the last 5 years.
On the public planning record, Horsham approved 96% of 1,484 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 : 96% approved (356 decided, ~56 days)
- Rear extension : 96% approved (237 decided, ~56 days)
- Listed building / conservation : 99% approved (171 decided, ~53 days)
- Demolition : 94% approved (127 decided, ~65 days)
- Tree work : 100% approved (121 decided, ~49 days) †
- Roof / fenestration : 98% approved (87 decided, ~56 days)
- Side extension : 100% approved (78 decided, ~62 days) †
- Loft conversion : 93% approved (68 decided, ~59 days)
- Change of use : 80% approved (66 decided, ~59 days)
- Porch : 98% approved (58 decided, ~63 days)
- Conservatory / orangery : 98% approved (58 decided, ~56 days)
- Two-storey extension : 96% approved (57 decided, ~60 days)
† We hold no refused decisions for this type here, so treat a full approval rate with caution. The council's own portal has the complete history.
Method
Figures are aggregates over the public planning decisions we hold for Horsham, 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 Horsham?
3 architects with public evidence are listed for Horsham. Their profiles show reviews, credentials and, where we hold it, real planning history.
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