Data-backed planning intelligence · 2,500,000+ decisions analysed across England, Scotland and Wales

New Build approval rate in Merton

Merton approved 87.7% of new build applications, based on 1,232 decisions analysed.

Last updated: March 2026

87.7%
new build approval rate
1,232
New Build decisions
1,081
Approved
151
Refused
85.9%
Merton overall

New Build applications are approved at roughly the same rate as the Merton average (85.9%).

How new build compares in Merton

New Build (1,232 decided)
87.7%
Merton all applications (17,557 decided)
85.9%

Planning a new build in Merton?

87.7% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's new build approval rate
✓ Nearest comparable new build decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect
Get Merton Pro Report — £79

Less than one set of revised drawings.

Other project types in Merton

Rear Extension (5,617 decided)
81.5%
Loft Conversion (3,839 decided)
89.9%
Dormer (2,346 decided)
88.3%
Garage / Parking (2,106 decided)
88.7%
Side Extension (1,898 decided)
84.9%
Hip-to-Gable Conversion (1,151 decided)
86.8%
83.9%
Outbuilding (1,002 decided)
82.8%
Extension (General) (874 decided)
86.6%
Flat Conversion (873 decided)
82.8%
Basement (573 decided)
91.3%
Wraparound Extension (470 decided)
88.5%
Conservatory (288 decided)
93.1%
Front Extension (229 decided)
78.2%
HMO (174 decided)
55.7%
Annex (101 decided)
79.2%
Check planning approval patterns — Free