Rear Extension approval rate in Slough
Slough approved 84.3% of rear extension applications, based on 2,671 decisions analysed.
Last updated: March 2026
84.3%
rear extension approval rate
2,671
Rear Extension decisions
2,251
Approved
420
Refused
82.2%
Slough overall
Rear Extension applications are approved more often than the Slough average (82.2%), suggesting the council is relatively receptive to these projects.
How rear extension compares in Slough
Rear Extension
84.3%
Slough all applications
82.2%
Planning a rear extension in Slough?
84.3% get approved — but the odds vary by street. Your Pro Report 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
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✓ Nearest comparable rear extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Slough
86.4%
86.9%
85.3%
82.9%
84.3%
87.5%
82.2%
82.2%
75.4%
91.3%
69.4%
44.1%
88.2%
83.3%