Extension (General) approval rate in Southwark

Southwark approved 94.1% of extension (general) applications, based on 2,915 decisions analysed.

Last updated: June 2026

94.1%

extension (general) approval rate

2,915

Extension (General) decisions

2,744

Approved

171

Refused

93.4%

Southwark overall

Extension (General) applications are approved at roughly the same rate as the Southwark average (93.4%).

How extension (general) compares in Southwark

Extension (General) (2,915 decided)

94.1%

Southwark all applications (30,054 decided)

93.4%

Planning a extension (general) in Southwark?

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Other project types in Southwark

Garage / Parking (5,449 decided)

95.9%

Rear Extension (3,909 decided)

92.2%

Basement (3,571 decided)

94.2%

Dormer (2,767 decided)

93.1%

Change of Use (Residential) (2,217 decided)

89.6%

Loft Conversion (2,162 decided)

88.6%

Side Extension (1,824 decided)

94.3%

New Build (1,494 decided)

95.6%

Outbuilding (1,156 decided)

92.8%

Flat Conversion (837 decided)

91.3%

Wraparound Extension (418 decided)

94.0%

Conservatory (257 decided)

92.6%

Hip-to-Gable Conversion (180 decided)

94.4%

HMO (164 decided)

84.8%

Annex (117 decided)

94.0%

Front Extension (114 decided)

93.0%

← All Southwark planning statistics

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