Data-backed planning intelligence · 3,200,000+ decisions analysed across England, Scotland, Wales and Northern Ireland

Side Extension approval rate in Haringey

Haringey approved 88.2% of side extension applications, based on 1,377 decisions analysed.

Last updated: June 2026

88.2%
side extension approval rate
1,377
Side Extension decisions
1,215
Approved
162
Refused
88.4%
Haringey overall

Side Extension applications are approved at roughly the same rate as the Haringey average (88.4%).

How side extension compares in Haringey

Side Extension (1,377 decided)
88.2%
Haringey all applications (24,131 decided)
88.4%

Planning a side extension in Haringey?

88.2% get approved, but the odds vary by street. Your Full Planning Analysis 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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Other project types in Haringey

Rear Extension (4,394 decided)
88.1%
Dormer (3,560 decided)
89.5%
Extension (General) (2,448 decided)
82.9%
Loft Conversion (2,341 decided)
86.2%
Flat Conversion (1,959 decided)
88.6%
Garage / Parking (1,592 decided)
87.2%
78.2%
Basement (1,037 decided)
85.1%
New Build (1,031 decided)
84.4%
Outbuilding (934 decided)
89.5%
HMO (536 decided)
58.0%
88.5%
Wraparound Extension (355 decided)
90.4%
Conservatory (277 decided)
94.2%
Front Extension (91 decided)
82.4%
Annex (43 decided)
81.4%
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