Extension (General) approval rate in Hounslow
Hounslow approved 92.8% of extension (general) applications, based on 3,061 decisions analysed.
Last updated: September 2026
92.8%
extension (general) approval rate
3,061
Extension (General) decisions
2,841
Approved
220
Refused
88.5%
Hounslow overall
Extension (General) applications are approved more often than the Hounslow average (88.5%), suggesting the council is relatively receptive to these projects.
How extension (general) compares in Hounslow
Extension (General)
92.8%
Hounslow all applications
88.5%
Planning a extension (general) in Hounslow?
92.8% 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 extension (general) approval rate
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Hounslow →
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Planning professional? PlanningLens runs refusal alerts and evidence packs for Hounslow and any other published UK council — see the data services →
Other project types in Hounslow
85.0%
89.7%
88.8%
88.0%
90.2%
80.9%
85.5%
94.8%
88.7%
90.0%
73.0%
89.9%
82.7%
48.3%
68.8%