London · Last 12 months · Updated 24 April 2026
Harrow Planning Permission Data
Last 12 months
587planning applications approved in Harrow
This page summarises planning permission data for Harrow covering the last 12 months. Postyx aggregates approval data from Harrow's public planning portal to help UK builders identify local opportunities. Data is updated daily.
Top project types
Share of the 587 approvals by category
Monthly trend
Approvals per month over the last 12 months
Full breakdown
| Project type | Count | % of total |
|---|---|---|
| Major Extension / Remodel | 312 | 53.2% |
| Planning Application | 131 | 22.3% |
| Loft / Conversion | 78 | 13.3% |
| New Build / Development | 39 | 6.6% |
| Outbuilding / Minor | 27 | 4.6% |
Want the actual addresses of these 587 planning approvals?
Postyx gives UK builders access to the full list of Harrow planning permissions — including property addresses, application references, and decision dates — so you can send personalised physical letters to homeowners at the moment they need you.
Start your 7-day free trial →Data aggregated from Harrow's public planning portal. Individual application details are available to verified builders only.