Borehamwood Cowley Hill planning approval rate
Borehamwood Cowley Hill ward in Hertsmere has a 93.0% approval rate based on 272 planning decisions. Hertsmere overall: 87.5%.
Last updated: September 2026
93.0%
ward approval rate
272
Decisions
253
Approved
19
Refused
87.5%
Hertsmere average
Borehamwood Cowley Hill is 5.5 percentage points above the Hertsmere average, making it one of the more permissive wards in this council area. Applications here have historically faced lower refusal rates.
How Borehamwood Cowley Hill compares
Borehamwood Cowley Hill ward
93.0%
Hertsmere overall
87.5%
Planning in Hertsmere? Check your postcode to see approval rates specific to your ward and street.
Planning professional? PlanningLens runs refusal alerts and evidence packs for Hertsmere and any other published UK council — see the data services →
Recent decisions in Borehamwood Cowley Hill
Single storey rear extension. Conversion of loft to habitable space including re · Tue 29 Sep 2026
Conversion of loft to habitable space to include hip to gable roof alterations a · Thu 24 Sep 2026
Demolition of existing outbuilding to facilitate construction of single storey r · Thu 24 Sep 2026
Conversion of loft to habitable space including rear dormer and front roof light · Mon 07 Sep 2026
Retention of side door and fenestration alterations. (Retrospective application) · Mon 07 Sep 2026
What gets approved near your property?
In Hertsmere, 1 in 8 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 Hertsmere
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free planning check for Hertsmere →
✓ Common refusal reasons in Hertsmere
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect
Free. Based on 1,943 decisions.