Data-backed planning intelligence · 3,700,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

New Build approval rate in Merton

Merton approved 87.8% of new build applications, based on 1,243 decisions analysed.

Last updated: August 2026

87.8%
new build approval rate
1,243
New Build decisions
1,091
Approved
152
Refused
86.2%
Merton overall

New Build applications are approved at roughly the same rate as the Merton average (86.2%).

How new build compares in Merton

New Build (1,243 decided)
87.8%
Merton all applications (18,193 decided)
86.2%

Planning a new build in Merton?

87.8% 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%
Hip-to-Gable Conversion (1,166 decided)
86.9%
83.7%
Outbuilding (1,043 decided)
83.0%
Extension (General) (930 decided)
87.2%
Flat Conversion (879 decided)
83.0%
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%
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