Outbuilding approval rate in Slough
Slough approved 85.3% of outbuilding applications, based on 590 decisions analysed.
Last updated: March 2026
85.3%
outbuilding approval rate
590
Outbuilding decisions
503
Approved
87
Refused
82.2%
Slough overall
Outbuilding applications are approved more often than the Slough average (82.2%), suggesting the council is relatively receptive to these projects.
How outbuilding compares in Slough
Outbuilding
85.3%
Slough all applications
82.2%
Planning a outbuilding in Slough?
85.3% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.
✓ Your ward's outbuilding approval rate
✓ Nearest comparable outbuilding decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Get Slough Pro Report — £79
✓ Nearest comparable outbuilding decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Slough
84.3%
86.4%
86.9%
82.9%
84.3%
87.5%
82.2%
82.2%
75.4%
91.3%
69.4%
44.1%
88.2%
83.3%