Hillingdon planning approval rate

Hillingdon council approved 78.9% of planning applications and refused 21.1%, based on 30,009 decisions analysed. Ranked 7th out of 221 councils for strictness.

Last updated: March 2026 · Based on decisions from January 2020 to present

78.9%

overall approval rate

30,009

Decisions analysed

23,663

Approved

6,346

Refused

Wards covered

Planning in Hillingdon? Check your postcode to see approval rates specific to your ward and street.

Approval rate by application type

Different application types have different approval rates in Hillingdon. Householder and full planning applications typically have the highest volume.

Other (17,551 decided)

80.4%

Full (10,604 decided)

75.1%

Prior Approval (1,854 decided)

86.0%

Approval rate by project type

These rates are based on what homeowners are actually building in Hillingdon — mined from 30,009 proposal descriptions.

Rear Extension (9,930 decided)

77.6%

Garage / Parking (7,547 decided)

80.9%

Dormer (4,830 decided)

78.4%

Side Extension (4,767 decided)

70.9%

Outbuilding (2,572 decided)

80.0%

Hip-to-Gable Conversion (2,238 decided)

83.6%

Extension (General) (1,957 decided)

83.0%

New Build (1,644 decided)

80.0%

Change of Use (Residential) (1,439 decided)

74.8%

Front Extension (1,057 decided)

65.5%

Wraparound Extension (947 decided)

75.8%

Flat Conversion (914 decided)

73.0%

Conservatory (832 decided)

81.9%

Basement (478 decided)

84.1%

Loft Conversion (475 decided)

73.7%

HMO (319 decided)

59.6%

Annex (125 decided)

40.8%

Approval rate by ward

Planning outcomes vary significantly by ward within Hillingdon. Click any ward for detailed statistics.

NORTHWOOD (1,342 decided)

75.5%

UXBRIDGE NORTH (1,235 decided)

73.4%

ICKENHAM (1,138 decided)

74.6%

BOTWELL (1,048 decided)

80.2%

ICK/HAM & S HF/D 22 (984 decided)

81.9%

NORTHWOOD HILLS (911 decided)

75.5%

EASTCOTE 2022 (893 decided)

85.1%

EASTCOTE & E RUISLIP (888 decided)

74.3%

TOWNFIELD (839 decided)

73.2%

RUISLIP 2022 (832 decided)

82.3%

BRUNEL (800 decided)

78.1%

UXBRIDGE SOUTH (760 decided)

80.0%

UXBRIDGE 2022 (740 decided)

82.4%

WEST RUISLIP (733 decided)

73.8%

NORTHWOOD 2022 (731 decided)

79.6%

PINKWELL 2022 (727 decided)

85.1%

MANOR (710 decided)

81.0%

HEATHROW VILLAGES (709 decided)

81.0%

CAVENDISH (688 decided)

81.7%

PINKWELL (683 decided)

76.3%

Wards in Hillingdon

NORTHWOOD

75.5% approval · 1,342 decisions

UXBRIDGE NORTH

73.4% approval · 1,235 decisions

ICKENHAM

74.6% approval · 1,138 decisions

BOTWELL

80.2% approval · 1,048 decisions

ICK/HAM & S HF/D 22

81.9% approval · 984 decisions

NORTHWOOD HILLS

75.5% approval · 911 decisions

EASTCOTE 2022

85.1% approval · 893 decisions

EASTCOTE & E RUISLIP

74.3% approval · 888 decisions

TOWNFIELD

73.2% approval · 839 decisions

RUISLIP 2022

82.3% approval · 832 decisions

BRUNEL

78.1% approval · 800 decisions

UXBRIDGE SOUTH

80.0% approval · 760 decisions

UXBRIDGE 2022

82.4% approval · 740 decisions

WEST RUISLIP

73.8% approval · 733 decisions

NORTHWOOD 2022

79.6% approval · 731 decisions

PINKWELL 2022

85.1% approval · 727 decisions

MANOR

81.0% approval · 710 decisions

HEATHROW VILLAGES

81.0% approval · 709 decisions

CAVENDISH

81.7% approval · 688 decisions

PINKWELL

76.3% approval · 683 decisions

Recent comparable decisions

The most recent residential planning decisions in Hillingdon, showing how the council decides real applications.

79871/APP/2026/92

Erection of a part single part two storey rear extension, and a single storey si · YEADING 2022 · 09/03/2026

Approved

60349/APP/2026/81

Erection of single storey outbuilding to rear garden · HILLINGDON EAST 2022 · 06/03/2026

Approved

79751/APP/2026/42

Conversion of roof space to habitable use to include hip to gable extension, rea · HILLINGDON EAST 2022 · 06/03/2026

Approved

Showing 3 of 200 comparable decisions. See all 200 in the Pro Report →

What gets approved near your property?

In Hillingdon, 1 in 5 applications are refused. Your PlanningLens Pro Report gives you 17 pages of intelligence specific to your property:

✓ Ward-level approval rates for your exact area
✓ Common refusal reasons in Hillingdon
✓ Your 10 nearest comparable planning decisions
✓ Appeal success rates
✓ PDF report to share with your architect

Get Hillingdon Pro Report — £79

Less than one set of revised drawings. Based on 30,009 decisions.

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