Flat Conversion approval rate in Merton

Merton approved 83.0% of flat conversion applications, based on 879 decisions analysed.

Last updated: August 2026

83.0%

flat conversion approval rate

879

Flat Conversion decisions

730

Approved

149

Refused

86.2%

Merton overall

Flat Conversion applications are refused more often than the Merton average (86.2%), suggesting the council scrutinises these projects more closely.

How flat conversion compares in Merton

Flat Conversion (879 decided)

83.0%

Merton all applications (18,193 decided)

86.2%

Planning a flat conversion in Merton?

83.0% 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 Merton

Rear Extension (5,780 decided)

81.8%

Loft Conversion (3,906 decided)

89.9%

Dormer (2,415 decided)

88.5%

Garage / Parking (2,160 decided)

88.7%

Side Extension (1,959 decided)

85.0%

New Build (1,243 decided)

87.8%

Hip-to-Gable Conversion (1,166 decided)

86.9%

Change of Use (Residential) (1,164 decided)

83.7%

Outbuilding (1,043 decided)

83.0%

Extension (General) (930 decided)

87.2%

Basement (583 decided)

91.4%

Wraparound Extension (478 decided)

88.7%

Conservatory (299 decided)

92.6%

Front Extension (234 decided)

79.1%

HMO (178 decided)

55.6%

Annex (106 decided)

79.2%

← All Merton planning statistics

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