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

Dormer approval rate in Lewisham

Lewisham approved 80.9% of dormer applications, based on 1,945 decisions analysed.

Last updated: March 2026

80.9%
dormer approval rate
1,945
Dormer decisions
1,574
Approved
371
Refused
82.9%
Lewisham overall

Dormer applications are approved at roughly the same rate as the Lewisham average (82.9%).

How dormer compares in Lewisham

Dormer (1,945 decided)
80.9%
Lewisham all applications (24,367 decided)
82.9%

Planning a dormer in Lewisham?

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✓ Your ward's dormer approval rate
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Less than one set of revised drawings.

Other project types in Lewisham

Rear Extension (4,494 decided)
75.4%
Garage / Parking (3,589 decided)
83.2%
Flat Conversion (2,727 decided)
84.0%
Extension (General) (2,648 decided)
84.2%
Loft Conversion (2,555 decided)
79.3%
79.2%
Basement (1,223 decided)
82.7%
Side Extension (1,146 decided)
75.4%
81.7%
Outbuilding (796 decided)
82.3%
HMO (442 decided)
64.5%
Wraparound Extension (420 decided)
84.0%
Conservatory (352 decided)
82.7%
New Build (299 decided)
89.0%
Annex (77 decided)
67.5%
Front Extension (55 decided)
60.0%
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