Flat Conversion approval rate in Lewisham

Lewisham approved 83.6% of flat conversion applications, based on 2,769 decisions analysed.

Last updated: August 2026

83.6%

flat conversion approval rate

2,769

Flat Conversion decisions

2,316

Approved

453

Refused

82.9%

Lewisham overall

Flat Conversion applications are approved at roughly the same rate as the Lewisham average (82.9%).

How flat conversion compares in Lewisham

Flat Conversion (2,769 decided)

83.6%

Lewisham all applications (25,675 decided)

82.9%

Planning a flat conversion in Lewisham?

83.6% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

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Other project types in Lewisham

Rear Extension (4,767 decided)

75.6%

Garage / Parking (3,668 decided)

83.0%

Extension (General) (2,747 decided)

84.2%

Loft Conversion (2,676 decided)

79.3%

Dormer (2,095 decided)

81.6%

Change of Use (Residential) (2,059 decided)

78.2%

Basement (1,248 decided)

82.5%

Side Extension (1,189 decided)

75.9%

Hip-to-Gable Conversion (905 decided)

82.2%

Outbuilding (847 decided)

82.9%

HMO (476 decided)

61.1%

Wraparound Extension (456 decided)

84.9%

Conservatory (366 decided)

83.3%

New Build (304 decided)

88.8%

Annex (81 decided)

69.1%

Front Extension (63 decided)

60.3%

← All Lewisham planning statistics

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