Hounslow planning approval rate

Hounslow council approved 87.9% of planning applications and refused 12.1%, based on 73,101 decisions analysed. Ranked 86th out of 300 councils for strictness.

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

87.9%

overall approval rate

73,101

Decisions analysed

64,241

Approved

8,860

Refused

111

Wards covered

Planning in Hounslow? 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 Hounslow. Householder and full planning applications typically have the highest volume.

Other (50,828 decided)

91.1%

Full (15,254 decided)

87.7%

Prior Approval (7,019 decided)

64.7%

Approval rate by project type

These rates are based on what homeowners are actually building in Hounslow, mined from 73,101 proposal descriptions.

Rear Extension (26,811 decided)

85.0%

Loft Conversion (12,130 decided)

89.7%

Garage / Parking (8,772 decided)

88.9%

Side Extension (7,853 decided)

88.1%

New Build (4,808 decided)

90.3%

Outbuilding (4,207 decided)

80.9%

Hip-to-Gable Conversion (3,282 decided)

85.5%

Change of Use (Residential) (3,110 decided)

82.7%

Extension (General) (3,055 decided)

92.9%

Conservatory (1,940 decided)

94.7%

Wraparound Extension (1,518 decided)

88.9%

Basement (1,496 decided)

90.0%

Dormer (1,432 decided)

89.9%

Flat Conversion (1,420 decided)

73.0%

Front Extension (1,046 decided)

82.9%

HMO (353 decided)

48.7%

Annex (108 decided)

69.4%

Approval rate by ward

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

Turnham Green (Pre May 2022) (2,697 decided)

91.5%

Chiswick Homefields (Pre May 2022) (2,693 decided)

92.6%

Osterley and Spring Grove (Pre May 2022) (2,480 decided)

83.6%

Chiswick Riverside (Pre May 2022) (2,188 decided)

90.4%

20 (2,075 decided)

98.5%

Heston Central (Pre May 2022) (2,009 decided)

79.6%

18 (1,998 decided)

97.3%

Hounslow Central (Pre May 2022) (1,956 decided)

80.5%

Hounslow South (Pre May 2022) (1,890 decided)

80.5%

Brentford (Pre May 2022) (1,823 decided)

88.7%

Hounslow West (Pre May 2022) (1,706 decided)

80.7%

Heston East (Pre May 2022) (1,702 decided)

80.7%

Isleworth (Pre May 2022) (1,695 decided)

89.3%

19 (1,639 decided)

98.2%

Tokyngton (1,601 decided)

97.3%

Syon (Pre May 2022) (1,593 decided)

84.6%

Stonebridge (1,512 decided)

97.3%

Heston West (Pre May 2022) (1,464 decided)

82.0%

Hanger Hill (1,442 decided)

96.0%

Hounslow Heath (Pre May 2022) (1,343 decided)

82.2%

Wards in Hounslow

Turnham Green (Pre May 2022)

91.5% approval · 2,697 decisions

Chiswick Homefields (Pre May 2022)

92.6% approval · 2,693 decisions

Osterley and Spring Grove (Pre May 2022)

83.6% approval · 2,480 decisions

Chiswick Riverside (Pre May 2022)

90.4% approval · 2,188 decisions

98.5% approval · 2,075 decisions

Heston Central (Pre May 2022)

79.6% approval · 2,009 decisions

97.3% approval · 1,998 decisions

Hounslow Central (Pre May 2022)

80.5% approval · 1,956 decisions

Hounslow South (Pre May 2022)

80.5% approval · 1,890 decisions

Brentford (Pre May 2022)

88.7% approval · 1,823 decisions

Hounslow West (Pre May 2022)

80.7% approval · 1,706 decisions

Heston East (Pre May 2022)

80.7% approval · 1,702 decisions

Isleworth (Pre May 2022)

89.3% approval · 1,695 decisions

98.2% approval · 1,639 decisions

Tokyngton

97.3% approval · 1,601 decisions

Syon (Pre May 2022)

84.6% approval · 1,593 decisions

Stonebridge

97.3% approval · 1,512 decisions

Heston West (Pre May 2022)

82.0% approval · 1,464 decisions

Hanger Hill

96.0% approval · 1,442 decisions

Hounslow Heath (Pre May 2022)

82.2% approval · 1,343 decisions

Recent comparable decisions

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

P/2019/4809

Erection of additional storey to Smith House 1 to provide 12 flats and erection · Hanworth Park (Pre May 2022) · 13/08/2026

Approved

P/2026/1581

Details of Conditions 3 (Materials), 10 (Car parking details), 12 (Electric vehi · Syon & Brentford Lock · 13/08/2026

Approved

P/2026/1801

Change of use from a sui-generis HMO of 7 bed to a 6 bed supportive living C3b i · Feltham West · 13/08/2026

Refused

Showing 3 recent comparable decisions. See more in the full report →

What gets approved near your property?

In Hounslow, 1 in 8 applications are refused. Your PlanningLens Full Planning Analysis gives you 17 pages of intelligence specific to your property:

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

Free planning check for Hounslow →

Free. Based on 73,101 decisions.

Compare with nearby councils

Hillingdon Ealing Hammersmith & Fulham Richmond

Frequently asked questions about planning in Hounslow

What is the planning approval rate in Hounslow?

Based on 73,101 planning decisions analysed since 2020, Hounslow approved 87.9% of applications and refused 12.1%. The council is ranked 86th out of 300 UK councils for approval rate.

How many planning applications are refused in Hounslow?

Hounslow refuses 12.1% of planning applications, roughly 1 in 8. That is close to the UK average of 11.4%. Out of 73,101 decided applications since 2020, 8,860 were refused. PlanningLens lets you check any postcode to see which applications were refused near a specific property.

Which areas of Hounslow have the highest planning approval rates?

The highest approval rates in Hounslow are in Ealing (adjacent Borough) (100.0%), Richmond upon Thames (adjacent Borough) (100.0%), and 013611 (99.2%). Approval rates vary significantly by ward, see the full ward breakdown above.

What types of planning application are most common in Hounslow?

The most common planning application types in Hounslow are: Other (50,828 decisions, 91.1% approved), Full (15,254, 87.7%), and Prior Approval (7,019, 64.7%).

How long does a planning application take in Hounslow?

Planning applications in Hounslow take an average of 9.4 weeks to reach a decision, measured across 72,663 decisions with a recorded timeline. That is slower than the 8-week statutory target for householder applications (the statutory targets are 8 weeks for householder applications and 13 weeks for major developments). PlanningLens measures the actual time each application takes, not just the target. Hounslow decides approximately 12,184 planning applications per year.

How do I check planning applications in Hounslow?

You can search planning applications in Hounslow directly on the council's official planning portal. PlanningLens also lets you check any postcode against 73,101 historical decisions in Hounslow to see what's been approved and refused near a specific property.

How is PlanningLens approval rate data for Hounslow calculated?

PlanningLens scrapes Hounslow's official planning portal and analyses every published decision since January 2020. The approval rate is calculated as approved decisions divided by total decided applications, excluding withdrawn and pending applications. The full methodology, data sourcing, and Creative Commons BY 4.0 licensing terms are published at planninglens.co.uk/methodology.

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