Annex approval rate in Haringey

Haringey approved 79.5% of annex applications, based on 39 decisions analysed.

Last updated: March 2026

79.5%

annex approval rate

Annex decisions

Approved

Refused

88.4%

Haringey overall

Annex applications are refused more often than the Haringey average (88.4%), suggesting the council scrutinises these projects more closely.

How annex compares in Haringey

Annex (39 decided)

79.5%

Haringey all applications (23,488 decided)

88.4%

Planning a annex in Haringey?

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Less than one set of revised drawings.

Other project types in Haringey

Rear Extension (4,275 decided)

88.0%

Dormer (3,431 decided)

89.5%

Extension (General) (2,371 decided)

82.8%

Loft Conversion (2,262 decided)

86.2%

Flat Conversion (1,940 decided)

88.7%

Garage / Parking (1,555 decided)

87.4%

Change of Use (Residential) (1,423 decided)

78.6%

Side Extension (1,337 decided)

88.5%

Basement (1,022 decided)

85.3%

New Build (1,001 decided)

84.3%

Outbuilding (909 decided)

89.4%

HMO (503 decided)

57.9%

Hip-to-Gable Conversion (345 decided)

88.4%

Wraparound Extension (342 decided)

90.1%

Conservatory (274 decided)

94.5%

Front Extension (87 decided)

81.6%

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