Data-backed planning intelligence · 3,840,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

New Build approval rate in Harrow

Harrow approved 76.5% of new build applications, based on 68 decisions analysed.

Last updated: September 2026

76.5%
new build approval rate
68
New Build decisions
52
Approved
16
Refused
73.1%
Harrow overall

New Build applications are approved more often than the Harrow average (73.1%), suggesting the council is relatively receptive to these projects.

How new build compares in Harrow

New Build (68 decided)
76.5%
Harrow all applications (15,647 decided)
73.1%

Planning a new build in Harrow?

76.5% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

✓ Your ward's new build approval rate
✓ Nearest comparable new build decisions
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Planning professional? PlanningLens runs refusal alerts and evidence packs for Harrow and any other published UK council — see the data services →

Other project types in Harrow

Rear Extension (10,795 decided)
75.4%
Dormer (4,370 decided)
74.6%
Side Extension (4,348 decided)
73.7%
Garage / Parking (3,789 decided)
76.4%
Front Extension (1,938 decided)
77.3%
Outbuilding (1,810 decided)
78.7%
Extension (General) (945 decided)
77.0%
62.2%
Conservatory (597 decided)
80.9%
HMO (313 decided)
55.6%
Wraparound Extension (296 decided)
76.0%
Flat Conversion (279 decided)
63.1%
Basement (274 decided)
69.0%
Loft Conversion (120 decided)
70.8%
Annex (79 decided)
44.3%
86.4%
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