Side Extension approval rate in Haringey

Haringey approved 88.5% of side extension applications, based on 1,394 decisions analysed.

Last updated: August 2026

88.5%

side extension approval rate

1,394

Side Extension decisions

1,234

Approved

160

Refused

88.7%

Haringey overall

Side Extension applications are approved at roughly the same rate as the Haringey average (88.7%).

How side extension compares in Haringey

Side Extension (1,394 decided)

88.5%

Haringey all applications (24,342 decided)

88.7%

Planning a side extension in Haringey?

88.5% 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 Haringey

Rear Extension (4,438 decided)

88.5%

Dormer (3,604 decided)

89.6%

Extension (General) (2,473 decided)

83.1%

Loft Conversion (2,359 decided)

86.6%

Flat Conversion (1,961 decided)

88.9%

Garage / Parking (1,610 decided)

87.4%

Change of Use (Residential) (1,473 decided)

78.5%

Basement (1,039 decided)

85.9%

New Build (1,032 decided)

84.8%

Outbuilding (944 decided)

89.7%

HMO (545 decided)

58.7%

Hip-to-Gable Conversion (362 decided)

89.0%

Wraparound Extension (360 decided)

90.6%

Conservatory (279 decided)

94.3%

Front Extension (92 decided)

82.6%

Annex (43 decided)

83.7%

← All Haringey planning statistics

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