Extension (General) approval rate in Barnet

Barnet approved 82.3% of extension (general) applications, based on 1,288 decisions analysed.

Last updated: August 2026

82.3%

extension (general) approval rate

1,288

Extension (General) decisions

1,060

Approved

228

Refused

81.7%

Barnet overall

Extension (General) applications are approved at roughly the same rate as the Barnet average (81.7%).

How extension (general) compares in Barnet

Extension (General) (1,288 decided)

82.3%

Barnet all applications (55,519 decided)

81.7%

Planning a extension (general) in Barnet?

82.3% 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 extension (general) approval rate
✓ Nearest comparable extension (general) decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect

Free planning check for Barnet →

Other project types in Barnet

Rear Extension (17,862 decided)

75.7%

Garage / Parking (10,889 decided)

82.3%

Dormer (9,502 decided)

81.0%

Loft Conversion (8,411 decided)

80.6%

Side Extension (6,781 decided)

81.6%

Flat Conversion (4,241 decided)

76.2%

Hip-to-Gable Conversion (3,555 decided)

81.8%

Outbuilding (3,263 decided)

78.0%

Wraparound Extension (2,993 decided)

80.2%

Basement (2,645 decided)

83.1%

Change of Use (Residential) (2,045 decided)

68.9%

New Build (1,976 decided)

81.8%

Front Extension (1,838 decided)

78.8%

Conservatory (1,538 decided)

81.4%

HMO (636 decided)

44.2%

Annex (210 decided)

71.9%

← All Barnet planning statistics

Check planning approval patterns, Free