Data-backed planning intelligence · 3,840,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Flat Conversion approval rate in East Hertfordshire

East Hertfordshire approved 63.4% of flat conversion applications, based on 41 decisions analysed.

Last updated: September 2026

63.4%
flat conversion approval rate
41
Flat Conversion decisions
26
Approved
15
Refused
74.6%
East Hertfordshire overall

Flat Conversion applications are refused more often than the East Hertfordshire average (74.6%), suggesting the council scrutinises these projects more closely.

How flat conversion compares in East Hertfordshire

Flat Conversion (41 decided)
63.4%
East Hertfordshire all applications (14,346 decided)
74.6%

Planning a flat conversion in East Hertfordshire?

63.4% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

✓ Your ward's flat conversion approval rate
✓ Nearest comparable flat conversion decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for East Hertfordshire →

Planning professional? PlanningLens runs refusal alerts and evidence packs for East Hertfordshire and any other published UK council — see the data services →

Other project types in East Hertfordshire

Rear Extension (5,454 decided)
78.8%
Garage / Parking (4,357 decided)
71.4%
Side Extension (3,058 decided)
74.2%
Dormer (1,697 decided)
74.1%
Outbuilding (1,462 decided)
74.4%
New Build (1,305 decided)
62.5%
Conservatory (1,084 decided)
82.7%
Front Extension (1,083 decided)
75.1%
63.0%
Loft Conversion (988 decided)
75.5%
Extension (General) (698 decided)
75.4%
Wraparound Extension (539 decided)
78.1%
Annex (355 decided)
64.2%
Basement (239 decided)
73.2%
71.0%
HMO (20 decided)
70.0%
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