Annex approval rate in East Hertfordshire

East Hertfordshire approved 63.6% of annex applications, based on 349 decisions analysed.

Last updated: June 2026

63.6%

annex approval rate

349

Annex decisions

222

Approved

127

Refused

73.5%

East Hertfordshire overall

Annex applications are refused more often than the East Hertfordshire average (73.5%), suggesting the council scrutinises these projects more closely.

How annex compares in East Hertfordshire

Annex (349 decided)

63.6%

East Hertfordshire all applications (17,065 decided)

73.5%

Planning a annex in East Hertfordshire?

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Other project types in East Hertfordshire

Rear Extension (5,341 decided)

78.7%

Garage / Parking (4,255 decided)

71.1%

Side Extension (3,015 decided)

74.1%

Dormer (1,661 decided)

73.8%

Outbuilding (1,427 decided)

74.4%

New Build (1,276 decided)

62.3%

Front Extension (1,064 decided)

74.9%

Conservatory (1,052 decided)

82.7%

Change of Use (Residential) (1,033 decided)

62.7%

Loft Conversion (958 decided)

75.3%

Extension (General) (687 decided)

75.4%

Wraparound Extension (531 decided)

78.2%

Basement (230 decided)

72.2%

Hip-to-Gable Conversion (220 decided)

70.9%

Flat Conversion (40 decided)

62.5%

HMO (19 decided)

68.4%

← All East Hertfordshire planning statistics

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