Annex approval rate in Richmond

Richmond approved 79.4% of annex applications, based on 107 decisions analysed.

Last updated: March 2026

79.4%

annex approval rate

107

Annex decisions

Approved

Refused

87.3%

Richmond overall

Annex applications are refused more often than the Richmond average (87.3%), suggesting the council scrutinises these projects more closely.

How annex compares in Richmond

Annex (107 decided)

79.4%

Richmond all applications (32,316 decided)

87.3%

Planning a annex in Richmond?

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Less than one set of revised drawings.

Other project types in Richmond

Rear Extension (6,906 decided)

82.3%

Dormer (4,536 decided)

81.7%

Loft Conversion (3,724 decided)

81.6%

Garage / Parking (3,156 decided)

83.7%

Side Extension (3,129 decided)

81.9%

Outbuilding (1,819 decided)

87.5%

Extension (General) (1,482 decided)

85.0%

Change of Use (Residential) (1,351 decided)

91.1%

Hip-to-Gable Conversion (1,214 decided)

82.7%

Basement (890 decided)

83.4%

New Build (780 decided)

83.8%

Conservatory (678 decided)

89.5%

Wraparound Extension (584 decided)

82.0%

Flat Conversion (328 decided)

88.4%

Front Extension (307 decided)

76.5%

HMO (122 decided)

89.3%

← All Richmond planning statistics

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