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Change of Use (Residential) approval rate in Hillingdon

Hillingdon approved 74.9% of change of use (residential) applications, based on 1,484 decisions analysed.

Last updated: August 2026

74.9%
change of use (residential) approval rate
1,484
Change of Use (Residential) decisions
1,111
Approved
373
Refused
80.0%
Hillingdon overall

Change of Use (Residential) applications are refused more often than the Hillingdon average (80.0%), suggesting the council scrutinises these projects more closely.

How change of use (residential) compares in Hillingdon

Change of Use (Residential) (1,484 decided)
74.9%
Hillingdon all applications (30,835 decided)
80.0%

Planning a change of use (residential) in Hillingdon?

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✓ Your ward's change of use (residential) approval rate
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Other project types in Hillingdon

Rear Extension (10,275 decided)
78.4%
Garage / Parking (7,631 decided)
81.9%
Dormer (4,969 decided)
79.3%
Side Extension (4,872 decided)
71.8%
Outbuilding (2,670 decided)
81.0%
Hip-to-Gable Conversion (2,310 decided)
84.0%
Extension (General) (2,013 decided)
83.8%
New Build (1,672 decided)
81.3%
Front Extension (1,075 decided)
66.2%
Wraparound Extension (1,020 decided)
76.8%
Flat Conversion (917 decided)
73.6%
Conservatory (878 decided)
82.5%
Loft Conversion (498 decided)
74.3%
Basement (477 decided)
85.7%
HMO (347 decided)
58.5%
Annex (130 decided)
42.3%
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