Hounslow Council approves 87.9% of planning applications, based on 73,101 real decisions analysed from the council’s public planning portal. The national average across all councils tracked by PlanningLens is 88.6%. 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 72,663 decided applications. Across 73,101 decisions analysed since January 2020, the overall approval rate in Hounslow is 87.9%; the national average across UK councils tracked by PlanningLens is 88.6%.
Source: PlanningLens (planninglens.co.uk) analysis of Hounslow council planning portal records · Updated August 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 | 46,319 | 4,509 | 50,828 | 91.1% |
| Full | 13,384 | 1,870 | 15,254 | 87.7% |
| Prior Approval | 4,538 | 2,481 | 7,019 | 64.7% |
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 7.4pp 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/2019/4809 Hanworth Park | Erection of additional storey to Smith House 1 to provide 12 flats and erection | Approved |
| P/2026/1581 Syon & Brentford Lock | Details of Conditions 3 (Materials), 10 (Car parking details), 12 (Electric vehi | Approved |
| P/2026/1801 Feltham West | Change of use from a sui-generis HMO of 7 bed to a 6 bed supportive living C3b i | Refused |
| PAC/2026/1853 Syon & Brentford Lock | Prior approval for the change of use from offices (class E) to six residential u | Approved |
| PA/2026/2043 Osterley & Spring Grove | Ground floor rear extension 6.00 metres deep, maximum height 3.40 metres, 2.90 m | Approved |
| P/2026/2194 Isleworth | Non material amendment to change the colour of the frames of the windows and doo | Approved |
| P/2026/1505 Chiswick Gunnersbury | Retrospective application for the erection of a rear roof extension and rear out | Refused |
| P/2026/1389 Hounslow South | Change of use of the existing unlawful House in Multiple Occupation (Sui Generis | Approved |
| P/2025/2486 Heston Central | Erection of a part single, part two storey single family dwelling comprising of | Approved |
| P/2026/1787 Hounslow South | Erection of a single storey rear infill extension and replacement of garage door | 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 73,101 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 73,101 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 73,101 planning decisions, the overall approval rate in Hounslow is 87.9%. The national average across councils tracked by PlanningLens is 88.6%. Rates vary significantly by ward and application type.
PlanningLens has analysed 73,101 planning decisions from Hounslow council. 64,241 were approved and 8,860 were refused. These figures cover decisions from January 2020 to the present.
The average approval rate in Hounslow is 87.9%, 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 72,663 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.