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Basement approval rate in Kensington & Chelsea

Kensington & Chelsea approved 92.3% of basement applications, based on 7,111 decisions analysed.

Last updated: March 2026

92.3%
basement approval rate
7,111
Basement decisions
6,561
Approved
550
Refused
92.5%
Kensington & Chelsea overall

Basement applications are approved at roughly the same rate as the Kensington & Chelsea average (92.5%).

How basement compares in Kensington & Chelsea

Basement (7,111 decided)
92.3%
Kensington & Chelsea all applications (33,175 decided)
92.5%

Planning a basement in Kensington & Chelsea?

92.3% get approved — but the odds vary by street. Your Pro Report shows exactly what gets approved and refused near your property.

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

Other project types in Kensington & Chelsea

Rear Extension (3,192 decided)
89.7%
Extension (General) (2,954 decided)
92.2%
94.1%
Garage / Parking (1,852 decided)
92.8%
Loft Conversion (1,827 decided)
86.4%
Dormer (1,190 decided)
89.2%
Conservatory (898 decided)
89.0%
Outbuilding (790 decided)
90.8%
Side Extension (668 decided)
89.7%
New Build (552 decided)
92.4%
Flat Conversion (484 decided)
92.6%
HMO (164 decided)
90.9%
Annex (114 decided)
94.7%
86.0%
Front Extension (43 decided)
88.4%
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