Hounslow Council approves 87.6% of planning applications, based on 72,995 real decisions analysed from the council’s public planning portal. The national average across all councils tracked by PlanningLens is 88.3%. Hounslow is closely in line with the national average.
According to PlanningLens analysis of 2,748 decided applications, Hounslow Council approved 76.1% of planning applications in 2025. The average time from validation to decision in Hounslow is 9.4 weeks, measured across 72,559 decided applications. Across 72,995 decisions analysed since January 2020, the overall approval rate in Hounslow is 87.6%; the national average across UK councils tracked by PlanningLens is 88.3%.
Source: PlanningLens (planninglens.co.uk) analysis of Hounslow council planning portal records · Updated June 2026 · Quote freely with attribution
Enter your postcode for a free, personalised approval pattern report, based on your ward and application type.
Not all applications are treated equally. Extension types, listed building consent, and change of use applications each have very different success rates in Hounslow.
| Application Type | Approved | Refused | Total | Rate |
|---|---|---|---|---|
| Other | 46,154 | 4,673 | 50,827 | 90.8% |
| Full | 13,313 | 1,871 | 15,184 | 87.7% |
| Prior Approval | 4,509 | 2,475 | 6,984 | 64.6% |
A loft conversion in one ward can have a 90% approval rate. In the next ward, 55%. The free check tells you which side you're on, your free property report is emailed in minutes.
Check My PostcodeHow Hounslow’s planning approval rate has changed year by year, down 7.7pp since 2018.
Bar height reflects approval rate. Colour: green ≥85%, amber ≥70%, red below 70%.
Real residential planning decisions from Hounslow council. Each reference links to the council's own planning portal so you can verify the details yourself.
| Reference | Proposal | Decision |
|---|---|---|
| P/2026/1405 Osterley & Spring Grove | Erection of single-storey side and rear extensions. | Approved |
| P/2026/1234 Chiswick Gunnersbury | Demolition of the existing two storey rear extension and erection of a part two | Approved |
| P/2026/1247 Brentford West | Erection of a two storey office/ commercial storage building (Use Class E) (for | Refused |
| P/2026/0897 Hounslow West | Installation of a double sided communications hub | Refused |
| P/2026/0806 Hounslow East | Installation of a double sided internally illuminated digital display on the pro | Refused |
| P/2026/1615 Chiswick Homefields | Non material amendment to increase width of side extension by 30cm and insert ro | Approved |
| P/2026/0804 Hounslow West | Installation of a double sided internally illuminated digital display on the pro | Refused |
| P/2026/0601 Chiswick Homefields | Conversion of the existing three self contained units to a single family house. | Approved |
| P/2026/0587 Chiswick Homefields | Conversion of the existing garage to a habitable space. Installation of a new fr | Approved |
| P/2026/1237 Osterley & Spring Grove | Erection of a part first floor rear extension to the house. | Approved |
Find out what actually gets approved near your address first. Your free property report analyses the 20 nearest decisions to your property, ward-specific refusal patterns, and extension-by-extension approval patterns. Based on Hounslow's 72,995 real decisions. Free, emailed in minutes.
Check my postcodeCompare Hounslow's planning approval rates with neighbouring areas:
Dig deeper into Hounslow's planning statistics, by ward, extension type, or project category:
Data-driven guides to help you understand planning approval patterns:
Yes. PlanningLens offers a free planning permission check for Hounslow. Enter your postcode to instantly see approval rates for your ward and application type, based on 72,995 real decisions from Hounslow council. The full property-specific report is also free and emailed within minutes.
Enter your postcode on PlanningLens for a free instant check based on Hounslow's real planning decisions. The free property report goes further: it analyses the 20 nearest comparable decisions to your property, ward-level refusal patterns, and approval rates by application type. Free and emailed within minutes.
Based on 72,995 planning decisions, the overall approval rate in Hounslow is 87.6%. The national average across councils tracked by PlanningLens is 88.3%. Rates vary significantly by ward and application type.
PlanningLens has analysed 72,995 planning decisions from Hounslow council. 63,976 were approved and 9,019 were refused. These figures cover decisions from January 2020 to the present.
The average approval rate in Hounslow is 87.6%, but outcomes depend heavily on your specific ward, the type of extension or development you are proposing, and local planning policy. Use the free PlanningLens postcode check to get a personalised score.
The average time from validation to decision in Hounslow is 9.4 weeks, measured across 72,559 decided applications. This PlanningLens figure is calculated from decision dates published by Hounslow council itself, reflecting actual elapsed time rather than statutory targets.
Writing about planning in Hounslow? These figures are free to republish with attribution. Copy the one-line citation, or paste the stat box into any website, CMS or newsletter, it carries its own styling and links back to this page for verification.