Dormer approval rate in Brentwood

Brentwood approved 73.9% of dormer applications, based on 1,425 decisions analysed.

Last updated: June 2026

73.9%

dormer approval rate

1,425

Dormer decisions

1,053

Approved

372

Refused

83.9%

Brentwood overall

Dormer applications are refused more often than the Brentwood average (83.9%), suggesting the council scrutinises these projects more closely.

How dormer compares in Brentwood

Dormer (1,425 decided)

73.9%

Brentwood all applications (11,998 decided)

83.9%

Planning a dormer in Brentwood?

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Other project types in Brentwood

Rear Extension (3,847 decided)

84.1%

Garage / Parking (3,235 decided)

83.5%

Side Extension (2,205 decided)

82.4%

Front Extension (963 decided)

83.3%

Conservatory (750 decided)

86.4%

Outbuilding (744 decided)

80.9%

Loft Conversion (545 decided)

71.6%

Extension (General) (438 decided)

84.2%

Wraparound Extension (403 decided)

79.9%

Change of Use (Residential) (391 decided)

77.5%

New Build (331 decided)

77.0%

Hip-to-Gable Conversion (266 decided)

78.9%

Annex (196 decided)

81.6%

Basement (167 decided)

80.8%

Flat Conversion (43 decided)

67.4%

HMO (16 decided)

62.5%

← All Brentwood planning statistics

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