Harrow planning approval rate
Harrow council approved 75.9% of planning applications and refused 24.1%, based on 22,151 decisions analysed. Ranked 4th out of 300 councils for strictness.
Last updated: August 2026 · Based on decisions from January 2020 to August 2026
75.9%
overall approval rate
22,151
Decisions analysed
16,811
Approved
5,340
Refused
27
Wards covered
Planning in Harrow? Check your postcode to see approval rates specific to your ward and street.
Approval rate by application type
Different application types have different approval rates in Harrow. Householder and full planning applications typically have the highest volume.
75.9%
Approval rate by project type
These rates are based on what homeowners are actually building in Harrow, mined from 22,151 proposal descriptions.
75.4%
74.6%
73.7%
76.4%
77.3%
78.8%
76.7%
80.8%
55.6%
75.9%
63.3%
69.8%
70.6%
43.6%
86.4%
77.8%
Approval rate by ward
Planning outcomes vary significantly by ward within Harrow. Click any ward for detailed statistics.
Pinner
76.4%
Pinner South
77.7%
Marlborough
80.7%
Harrow Weald
73.4%
Hatch End
79.5%
Harrow on the Hill
77.4%
Greenhill
76.2%
Roxeth
73.8%
Canons
74.0%
Belmont
74.4%
Edgware
69.7%
Kenton West
80.5%
Kenton East
77.7%
Rayners Lane
74.9%
West Harrow
77.5%
Stanmore Park
73.2%
Roxbourne
71.5%
Stanmore
75.3%
Headstone North
75.4%
Headstone
79.0%
Wards in Harrow
Pinner
76.4% approval · 1,403 decisions
Pinner South
77.7% approval · 1,376 decisions
Marlborough
80.7% approval · 1,261 decisions
Harrow Weald
73.4% approval · 1,159 decisions
Hatch End
79.5% approval · 1,149 decisions
Harrow on the Hill
77.4% approval · 1,069 decisions
Greenhill
76.2% approval · 1,060 decisions
Roxeth
73.8% approval · 1,040 decisions
Canons
74.0% approval · 1,036 decisions
Belmont
74.4% approval · 994 decisions
Edgware
69.7% approval · 930 decisions
Kenton West
80.5% approval · 868 decisions
Kenton East
77.7% approval · 835 decisions
Rayners Lane
74.9% approval · 801 decisions
West Harrow
77.5% approval · 710 decisions
Stanmore Park
73.2% approval · 628 decisions
Roxbourne
71.5% approval · 603 decisions
Stanmore
75.3% approval · 598 decisions
Headstone North
75.4% approval · 552 decisions
Headstone
79.0% approval · 544 decisions
Recent comparable decisions
The most recent residential planning decisions in Harrow, showing how the council decides real applications.
Single storey side extension; rear lean to roof extension · Wealdstone South · 2026-08-10
Single storey rear extension: 4.00 metres deep, 3.00 metres maximum height and 3 · Edgware · 2026-08-10
Single storey rear extension: 6.00 metres deep, 3.20 metres maximum height and 3 · Edgware · 2026-08-10
Showing 3 recent comparable decisions. See more in the full report →
What gets approved near your property?
In Harrow, 1 in 4 applications are refused. Your PlanningLens Full Planning Analysis gives you 17 pages of intelligence specific to your property:
✓ Ward-level approval rates for your exact area
✓ Common refusal reasons in Harrow
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free planning check for Harrow →
✓ Common refusal reasons in Harrow
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free. Based on 22,151 decisions.
Compare with nearby councils
Frequently asked questions about planning in Harrow
What is the planning approval rate in Harrow?
Based on 22,151 planning decisions analysed since 2020, Harrow approved 75.9% of applications and refused 24.1%. The council is ranked 4th out of 300 UK councils for approval rate.
How many planning applications are refused in Harrow?
Harrow refuses 24.1% of planning applications, roughly 1 in 4. That is higher than the UK average of 11.4%. Out of 22,151 decided applications since 2020, 5,340 were refused. PlanningLens lets you check any postcode to see which applications were refused near a specific property.
Which areas of Harrow have the highest planning approval rates?
The highest approval rates in Harrow are in Marlborough (80.7%), Kenton West (80.5%), and Hatch End (79.5%). Approval rates vary significantly by ward, see the full ward breakdown above.
What types of planning application are most common in Harrow?
The most common planning application types in Harrow are: Other (22,151 decisions, 75.9% approved).
How long does a planning application take in Harrow?
Most planning applications in Harrow are decided within 8 weeks for householder applications and 13 weeks for major developments, the statutory targets set by central government. With 22,151 decisions analysed since 2020, Harrow processes approximately 3,692 planning applications per year.
How do I check planning applications in Harrow?
You can search planning applications in Harrow directly on the council's official planning portal. PlanningLens also lets you check any postcode against 22,151 historical decisions in Harrow to see what's been approved and refused near a specific property.
How is PlanningLens approval rate data for Harrow calculated?
PlanningLens scrapes Harrow's official planning portal and analyses every published decision since January 2020. The approval rate is calculated as approved decisions divided by total decided applications, excluding withdrawn and pending applications. The full methodology, data sourcing, and Creative Commons BY 4.0 licensing terms are published at planninglens.co.uk/methodology.