Planning decisions in Harrow
As of 14 Sept 2023, covering the last 5 years.
On the public planning record, Harrow approved 85% of 1,119 decided applications across the public decisions we hold. 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 : 84% approved (247 decided, ~66 days)
- Rear extension : 84% approved (201 decided, ~65 days)
- Demolition : 86% approved (95 decided, ~83 days)
- Loft conversion : 83% approved (90 decided, ~64 days)
- Roof / fenestration : 80% approved (86 decided, ~62 days)
- Two-storey extension : 82% approved (61 decided, ~98 days)
- Side extension : 80% approved (56 decided, ~77 days)
- Solar / renewables : 98% approved (53 decided, ~56 days)
- Porch : 90% approved (48 decided, ~77 days)
- Outbuilding / garden room : 89% approved (28 decided, ~71 days)
- Balcony / roof terrace : 92% approved (25 decided, ~59 days)
- Boundary wall / fence / gates : 83% approved (23 decided, ~91 days)
- Tree work : 100% approved (18 decided, ~78 days) †
- Basement : 88% approved (17 decided, ~106 days)
- Change of use : 64% approved (14 decided, ~90 days)
- Conservatory / orangery : 89% approved (9 decided, ~86 days)
- Driveway / dropped kerb : 78% approved (9 decided, ~71 days)
- Windows & doors : 78% approved (9 decided, ~91 days)
- Shopfront / commercial : 88% approved (8 decided, ~228 days)
- New dwelling : 100% approved (8 decided, ~103 days) †
- Advertisement / signage : 100% approved (7 decided, ~62 days) †
- Listed building / conservation : 100% approved (7 decided, ~91 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 Harrow, 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.