Rear Extension approval rate in Slough
Slough approved 83.7% of rear extension applications, based on 7,156 decisions analysed.
Last updated: June 2026
83.7%
rear extension approval rate
7,156
Rear Extension decisions
5,986
Approved
1,170
Refused
82.9%
Slough overall
Rear Extension applications are approved at roughly the same rate as the Slough average (82.9%).
How rear extension compares in Slough
Rear Extension
83.7%
Slough all applications
82.9%
Planning a rear extension in Slough?
83.7% 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 rear extension approval rate
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Slough →
✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Other project types in Slough
82.5%
84.0%
82.3%
87.5%
85.7%
85.7%
74.4%
83.2%
81.4%
71.4%
85.9%
47.4%
78.6%
78.3%
73.3%