Cosham planning approval rate
Cosham ward in Portsmouth has a 89.8% approval rate based on 688 planning decisions. Portsmouth overall: 88.5%.
Last updated: March 2026
89.8%
ward approval rate
688
Decisions
618
Approved
70
Refused
88.5%
Portsmouth average
Cosham is broadly in line with the Portsmouth average — neither notably strict nor notably permissive.
How Cosham compares
Cosham ward
89.8%
Portsmouth overall
88.5%
Planning in Portsmouth? Check your postcode to see approval rates specific to your ward and street.
Recent decisions in Cosham
Construction of new plant housings to D Level rooftop including raised access de · Wed 18 Feb 2026
Construction of single storey rear extension with roof lantern (following remova · Tue 10 Feb 2026
Proposed fascia sign and projecting sign to shopfront · Thu 15 Jan 2026
Construction of single storey rear extension with raised decking area and altera · Tue 06 Jan 2026
Construction of single storey rear extension · Wed 17 Dec 2025
What gets approved near your property?
In Portsmouth, 1 in 9 applications are refused. Your PlanningLens Pro Report gives you 17 pages of intelligence specific to your property:
✓ Ward-level approval rates for your exact area
✓ Common refusal reasons in Portsmouth
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Get Portsmouth Pro Report — £79
✓ Common refusal reasons in Portsmouth
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Less than one set of revised drawings. Based on 9,214 decisions.