Dormer approval rate in East Hertfordshire

East Hertfordshire approved 73.9% of dormer applications, based on 1,676 decisions analysed.

Last updated: August 2026

73.9%

dormer approval rate

1,676

Dormer decisions

1,239

Approved

437

Refused

73.6%

East Hertfordshire overall

Dormer applications are approved at roughly the same rate as the East Hertfordshire average (73.6%).

How dormer compares in East Hertfordshire

Dormer (1,676 decided)

73.9%

East Hertfordshire all applications (17,302 decided)

73.6%

Planning a dormer in East Hertfordshire?

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Other project types in East Hertfordshire

Rear Extension (5,401 decided)

78.8%

Garage / Parking (4,325 decided)

71.3%

Side Extension (3,038 decided)

74.2%

Outbuilding (1,446 decided)

74.5%

New Build (1,299 decided)

62.5%

Front Extension (1,069 decided)

75.0%

Conservatory (1,063 decided)

82.8%

Change of Use (Residential) (1,050 decided)

62.9%

Loft Conversion (972 decided)

75.4%

Extension (General) (693 decided)

75.5%

Wraparound Extension (535 decided)

78.3%

Annex (352 decided)

63.9%

Basement (234 decided)

72.6%

Hip-to-Gable Conversion (223 decided)

70.9%

Flat Conversion (41 decided)

63.4%

HMO (20 decided)

70.0%

← All East Hertfordshire planning statistics

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