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Dormer approval rate in Three Rivers

Three Rivers approved 89.2% of dormer applications, based on 259 decisions analysed.

Last updated: August 2026

89.2%
dormer approval rate
259
Dormer decisions
231
Approved
28
Refused
92.2%
Three Rivers overall

Dormer applications are refused more often than the Three Rivers average (92.2%), suggesting the council scrutinises these projects more closely.

How dormer compares in Three Rivers

Dormer (259 decided)
89.2%
Three Rivers all applications (3,823 decided)
92.2%

Planning a dormer in Three Rivers?

89.2% 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 dormer approval rate
✓ Nearest comparable dormer decisions
✓ Refusal triggers specific to your area
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Other project types in Three Rivers

Rear Extension (682 decided)
92.2%
Garage / Parking (361 decided)
91.7%
Loft Conversion (209 decided)
92.3%
Side Extension (188 decided)
92.6%
Outbuilding (165 decided)
93.3%
Front Extension (90 decided)
93.3%
96.2%
97.3%
Conservatory (74 decided)
93.2%
Extension (General) (49 decided)
89.8%
Basement (27 decided)
85.2%
New Build (26 decided)
84.6%
88.5%
Annex (11 decided)
81.8%
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