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Annex approval rate in Winchester

Winchester approved 92.7% of annex applications, based on 96 decisions analysed.

Last updated: March 2026

92.7%
annex approval rate
96
Annex decisions
89
Approved
7
Refused
94.9%
Winchester overall

Annex applications are refused more often than the Winchester average (94.9%), suggesting the council scrutinises these projects more closely.

How annex compares in Winchester

Annex (96 decided)
92.7%
Winchester all applications (6,515 decided)
94.9%

Planning a annex in Winchester?

92.7% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

✓ Your ward's annex approval rate
✓ Nearest comparable annex decisions
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Less than one set of revised drawings.

Other project types in Winchester

Garage / Parking (1,014 decided)
94.8%
Rear Extension (898 decided)
97.8%
Side Extension (525 decided)
97.5%
Extension (General) (479 decided)
95.4%
Outbuilding (366 decided)
92.3%
Dormer (336 decided)
96.1%
88.0%
Conservatory (231 decided)
98.3%
Loft Conversion (220 decided)
95.9%
New Build (157 decided)
81.5%
Front Extension (136 decided)
97.1%
96.4%
Basement (41 decided)
92.7%
100.0%
HMO (18 decided)
77.8%
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