Cosham planning approval rate
Cosham ward in Portsmouth has a 89.8% approval rate based on 688 planning decisions. Portsmouth overall: 86.5%.
Last updated: September 2026
89.8%
ward approval rate
688
Decisions
618
Approved
70
Refused
86.5%
Portsmouth average
Cosham sits slightly above the Portsmouth average, with a 3.3 point advantage. Planning outcomes here are generally favourable.
How Cosham compares
Cosham ward
89.8%
Portsmouth overall
86.5%
Planning in Portsmouth? Check your postcode to see approval rates specific to your ward and street.
Planning professional? PlanningLens runs refusal alerts and evidence packs for Portsmouth and any other published UK council — see the data services →
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 7 applications are refused. Your PlanningLens Full Planning Analysis 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
Free planning check for Portsmouth →
✓ Common refusal reasons in Portsmouth
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free. Based on 6,336 decisions.