Extension (General) approval rate in Hounslow
Hounslow approved 92.9% of extension (general) applications, based on 3,033 decisions analysed.
Last updated: March 2026
92.9%
extension (general) approval rate
3,033
Extension (General) decisions
2,817
Approved
216
Refused
87.7%
Hounslow overall
Extension (General) applications are approved more often than the Hounslow average (87.7%), suggesting the council is relatively receptive to these projects.
How extension (general) compares in Hounslow
Extension (General)
92.9%
Hounslow all applications
87.7%
Planning a extension (general) in Hounslow?
92.9% get approved — but the odds vary by street. Your Pro Report 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
Get Hounslow Pro Report — £79
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Hounslow
84.9%
89.7%
88.6%
88.1%
90.0%
80.6%
85.4%
95.0%
88.9%
89.0%
72.9%
90.5%
83.0%
49.7%
66.4%