Side Extension approval rate in Enfield

Enfield approved 74.8% of side extension applications, based on 3,149 decisions analysed.

Last updated: June 2026

74.8%

side extension approval rate

3,149

Side Extension decisions

2,355

Approved

794

Refused

80.0%

Enfield overall

Side Extension applications are refused more often than the Enfield average (80.0%), suggesting the council scrutinises these projects more closely.

How side extension compares in Enfield

Side Extension (3,149 decided)

74.8%

Enfield all applications (31,137 decided)

80.0%

Planning a side extension in Enfield?

74.8% 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 side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect

Free planning check for Enfield →

Other project types in Enfield

Rear Extension (9,799 decided)

79.0%

Garage / Parking (5,706 decided)

79.5%

Dormer (5,343 decided)

79.4%

Flat Conversion (3,330 decided)

73.7%

Change of Use (Residential) (2,204 decided)

72.0%

Extension (General) (1,865 decided)

83.4%

Outbuilding (1,565 decided)

78.5%

New Build (1,457 decided)

79.6%

HMO (1,061 decided)

68.6%

Basement (811 decided)

78.1%

Wraparound Extension (729 decided)

75.4%

Front Extension (590 decided)

75.6%

Loft Conversion (485 decided)

70.9%

Conservatory (271 decided)

81.2%

Annex (186 decided)

69.4%

Hip-to-Gable Conversion (175 decided)

69.7%

← All Enfield planning statistics

Check planning approval patterns, Free