Side Extension approval rate in Leeds

Leeds approved 86.2% of side extension applications, based on 6,927 decisions analysed.

Last updated: March 2026

86.2%

side extension approval rate

6,927

Side Extension decisions

5,968

Approved

959

Refused

86.6%

Leeds overall

Side Extension applications are approved at roughly the same rate as the Leeds average (86.6%).

How side extension compares in Leeds

Side Extension (6,927 decided)

86.2%

Leeds all applications (44,615 decided)

86.6%

Planning a side extension in Leeds?

86.2% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's side extension approval rate
✓ Nearest comparable side extension decisions
✓ Refusal triggers specific to your area
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Less than one set of revised drawings.

Other project types in Leeds

Rear Extension (10,080 decided)

89.0%

Garage / Parking (6,017 decided)

84.6%

Dormer (4,379 decided)

80.7%

Extension (General) (3,224 decided)

85.3%

Change of Use (Residential) (2,245 decided)

77.3%

Wraparound Extension (2,010 decided)

87.2%

Outbuilding (1,820 decided)

82.8%

Front Extension (1,403 decided)

78.5%

Conservatory (1,039 decided)

87.3%

HMO (992 decided)

79.4%

New Build (731 decided)

71.8%

Loft Conversion (707 decided)

82.7%

Basement (660 decided)

76.8%

Hip-to-Gable Conversion (444 decided)

82.0%

Flat Conversion (229 decided)

75.1%

Annex (220 decided)

80.0%

← All Leeds planning statistics

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