Dormer approval rate in Portsmouth
Portsmouth approved 78.7% of dormer applications, based on 756 decisions analysed.
Last updated: March 2026
78.7%
dormer approval rate
756
Dormer decisions
595
Approved
161
Refused
88.5%
Portsmouth overall
Dormer applications are refused more often than the Portsmouth average (88.5%), suggesting the council scrutinises these projects more closely.
How dormer compares in Portsmouth
Dormer
78.7%
Portsmouth all applications
88.5%
Planning a dormer in Portsmouth?
78.7% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.
✓ Your ward's dormer approval rate
✓ Nearest comparable dormer decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
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✓ Nearest comparable dormer decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Less than one set of revised drawings.
Other project types in Portsmouth
89.2%
85.5%
84.6%
87.0%
85.9%
92.2%
93.2%
75.0%
68.7%
85.3%
79.2%
87.4%
91.3%
75.0%
70.4%