Annex approval rate in Lewisham

Lewisham approved 68.8% of annex applications, based on 80 decisions analysed.

Last updated: June 2026

68.8%

annex approval rate

Annex decisions

Approved

Refused

82.9%

Lewisham overall

Annex applications are refused more often than the Lewisham average (82.9%), suggesting the council scrutinises these projects more closely.

How annex compares in Lewisham

Annex (80 decided)

68.8%

Lewisham all applications (25,419 decided)

82.9%

Planning a annex in Lewisham?

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Other project types in Lewisham

Rear Extension (4,713 decided)

75.5%

Garage / Parking (3,651 decided)

83.1%

Flat Conversion (2,760 decided)

83.7%

Extension (General) (2,724 decided)

84.1%

Loft Conversion (2,647 decided)

79.3%

Dormer (2,062 decided)

81.5%

Change of Use (Residential) (2,046 decided)

78.5%

Basement (1,243 decided)

82.5%

Side Extension (1,181 decided)

76.0%

Hip-to-Gable Conversion (892 decided)

82.0%

Outbuilding (837 decided)

82.8%

HMO (470 decided)

61.3%

Wraparound Extension (449 decided)

84.6%

Conservatory (363 decided)

83.2%

New Build (303 decided)

88.8%

Front Extension (61 decided)

60.7%

← All Lewisham planning statistics

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