Data-backed planning intelligence · 2,550,000+ decisions analysed across England, Scotland and Wales

Side Extension approval rate in Dacorum

Dacorum approved 100.0% of side extension applications, based on 36 decisions analysed.

Last updated: April 2026

100.0%
side extension approval rate
36
Side Extension decisions
36
Approved
0
Refused
99.7%
Dacorum overall

Side Extension applications are approved at roughly the same rate as the Dacorum average (99.7%).

How side extension compares in Dacorum

Side Extension (36 decided)
100.0%
Dacorum all applications (1,135 decided)
99.7%

Planning a side extension in Dacorum?

100.0% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Get Dacorum Pro Report — £79

Less than one set of revised drawings.

Other project types in Dacorum

Rear Extension (129 decided)
99.2%
Garage / Parking (119 decided)
100.0%
Dormer (63 decided)
100.0%
Loft Conversion (59 decided)
100.0%
Outbuilding (31 decided)
100.0%
Front Extension (25 decided)
100.0%
Extension (General) (19 decided)
100.0%
100.0%
100.0%
100.0%
New Build (13 decided)
100.0%
Conservatory (11 decided)
100.0%
Check planning approval patterns — Free