Annex approval rate in East Hertfordshire

East Hertfordshire approved 63.0% of annex applications, based on 341 decisions analysed.

Last updated: March 2026

63.0%

annex approval rate

341

Annex decisions

215

Approved

126

Refused

73.2%

East Hertfordshire overall

Annex applications are refused more often than the East Hertfordshire average (73.2%), suggesting the council scrutinises these projects more closely.

How annex compares in East Hertfordshire

Annex (341 decided)

63.0%

East Hertfordshire all applications (16,563 decided)

73.2%

Planning a annex in East Hertfordshire?

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Less than one set of revised drawings.

Other project types in East Hertfordshire

Rear Extension (5,178 decided)

78.5%

Garage / Parking (4,147 decided)

70.7%

Side Extension (2,925 decided)

73.8%

Dormer (1,590 decided)

73.3%

Outbuilding (1,387 decided)

74.0%

New Build (1,254 decided)

62.0%

Front Extension (1,032 decided)

74.7%

Conservatory (1,020 decided)

82.4%

Change of Use (Residential) (1,011 decided)

62.4%

Loft Conversion (919 decided)

74.5%

Extension (General) (675 decided)

75.3%

Wraparound Extension (506 decided)

78.3%

Basement (228 decided)

71.9%

Hip-to-Gable Conversion (208 decided)

69.2%

Flat Conversion (39 decided)

64.1%

HMO (17 decided)

64.7%

← All East Hertfordshire planning statistics

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