Data-backed planning intelligence · 3,200,000+ decisions analysed across England, Scotland and Wales

Annex approval rate in Dacorum

Dacorum approved 100.0% of annex applications, based on 12 decisions analysed.

Last updated: June 2026

100.0%
annex approval rate
12
Annex decisions
12
Approved
0
Refused
99.6%
Dacorum overall

Annex applications are approved at roughly the same rate as the Dacorum average (99.6%).

How annex compares in Dacorum

Annex (12 decided)
100.0%
Dacorum all applications (1,647 decided)
99.6%

Planning a annex in Dacorum?

100.0% 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 annex approval rate
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Free planning check for Dacorum →

Other project types in Dacorum

Rear Extension (228 decided)
99.6%
Garage / Parking (184 decided)
100.0%
Dormer (97 decided)
100.0%
Loft Conversion (90 decided)
100.0%
Side Extension (77 decided)
100.0%
Outbuilding (58 decided)
100.0%
Front Extension (43 decided)
100.0%
Extension (General) (42 decided)
97.6%
100.0%
Conservatory (26 decided)
100.0%
100.0%
100.0%
New Build (15 decided)
100.0%
Check planning approval patterns — Free