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Change of Use (Residential) approval rate in Hillingdon

Hillingdon approved 74.6% of change of use (residential) applications, based on 1,506 decisions analysed.

Last updated: September 2026

74.6%
change of use (residential) approval rate
1,506
Change of Use (Residential) decisions
1,123
Approved
383
Refused
77.9%
Hillingdon overall

Change of Use (Residential) applications are refused more often than the Hillingdon average (77.9%), suggesting the council scrutinises these projects more closely.

How change of use (residential) compares in Hillingdon

Change of Use (Residential) (1,506 decided)
74.6%
Hillingdon all applications (21,800 decided)
77.9%

Planning a change of use (residential) in Hillingdon?

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Other project types in Hillingdon

Rear Extension (10,373 decided)
78.6%
Garage / Parking (7,667 decided)
81.9%
Dormer (5,013 decided)
79.4%
Side Extension (4,912 decided)
71.9%
Outbuilding (2,708 decided)
81.1%
Hip-to-Gable Conversion (2,329 decided)
84.2%
Extension (General) (2,035 decided)
83.8%
New Build (1,679 decided)
81.4%
Front Extension (1,083 decided)
66.4%
Wraparound Extension (1,040 decided)
76.9%
Flat Conversion (920 decided)
73.7%
Conservatory (885 decided)
82.6%
Loft Conversion (499 decided)
74.3%
Basement (480 decided)
85.6%
HMO (355 decided)
57.7%
Annex (131 decided)
42.0%
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