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Flat Conversion approval rate in Brentwood

Brentwood approved 65.8% of flat conversion applications, based on 38 decisions analysed.

Last updated: March 2026

65.8%
flat conversion approval rate
38
Flat Conversion decisions
25
Approved
13
Refused
83.8%
Brentwood overall

Flat Conversion applications are refused more often than the Brentwood average (83.8%), suggesting the council scrutinises these projects more closely.

How flat conversion compares in Brentwood

Flat Conversion (38 decided)
65.8%
Brentwood all applications (11,640 decided)
83.8%

Planning a flat conversion in Brentwood?

65.8% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

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

Other project types in Brentwood

Rear Extension (3,747 decided)
84.1%
Garage / Parking (3,120 decided)
83.3%
Side Extension (2,171 decided)
82.2%
Dormer (1,390 decided)
73.8%
Front Extension (944 decided)
83.4%
Conservatory (739 decided)
86.3%
Outbuilding (716 decided)
80.7%
Loft Conversion (534 decided)
71.7%
Extension (General) (422 decided)
83.9%
Wraparound Extension (393 decided)
79.6%
77.2%
New Build (322 decided)
76.4%
78.8%
Annex (188 decided)
81.9%
Basement (161 decided)
81.4%
HMO (16 decided)
62.5%
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