This page has not been recomputed. On 12 September 2026 PlanningLens changed the basis on which it calculates approval rates, to substantive development-control decisions only. The figures below are from the previous basis and have not been recalculated. Read the correction
Certificate of Lawfulness approval rate in Islington
Islington approved 90.0% of certificate of lawfulness applications, based on 30 decisions analysed.
Last updated: June 2026
90.0%
certificate of lawfulness approval rate
30
Certificate of Lawfulness decisions
27
Approved
3
Refused
82.8%
Islington overall
How certificate of lawfulness compares in Islington
Certificate of Lawfulness
90.0%
Islington all types
82.8%
What gets approved near your property?
In Islington, 1 in 6 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 Islington
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free planning check for Islington →
✓ Common refusal reasons in Islington
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free. Based on 85,959 decisions.
Other application types in Islington
Other
82.9%
Full
81.9%
Listed Building
88.2%
Prior Approval
56.6%
Certificate of Lawfulness
90.0%
Advertisement
93.3%
Discharge of Conditions
87.5%
Trees
100.0%