Hounslow planning approval rate

Hounslow council approved 87.6% of planning applications and refused 12.4%, based on 72,995 decisions analysed. Ranked 77th out of 284 councils for strictness.

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

87.6%

overall approval rate

72,995

Decisions analysed

63,976

Approved

9,019

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 (50,827 decided)

90.8%

Full (15,184 decided)

87.7%

Prior Approval (6,984 decided)

64.6%

Approval rate by project type

These rates are based on what homeowners are actually building in Hounslow, mined from 72,995 proposal descriptions.

Rear Extension (26,741 decided)

84.9%

Loft Conversion (12,095 decided)

89.7%

Garage / Parking (8,803 decided)

88.4%

Side Extension (7,834 decided)

88.0%

New Build (4,819 decided)

89.9%

Outbuilding (4,193 decided)

80.6%

Hip-to-Gable Conversion (3,271 decided)

85.3%

Change of Use (Residential) (3,114 decided)

82.5%

Extension (General) (3,050 decided)

92.8%

Conservatory (1,942 decided)

94.6%

Wraparound Extension (1,509 decided)

89.0%

Basement (1,499 decided)

89.1%

Flat Conversion (1,423 decided)

72.9%

Dormer (1,416 decided)

90.0%

Front Extension (1,047 decided)

82.8%

HMO (358 decided)

48.3%

Annex (110 decided)

68.2%

Approval rate by ward

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

Turnham Green (Pre May 2022) (2,703 decided)

91.3%

Chiswick Homefields (Pre May 2022) (2,696 decided)

92.5%

Osterley and Spring Grove (Pre May 2022) (2,488 decided)

83.3%

Chiswick Riverside (Pre May 2022) (2,190 decided)

90.3%

20 (2,080 decided)

98.3%

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

79.6%

18 (2,003 decided)

97.1%

Hounslow Central (Pre May 2022) (1,958 decided)

80.3%

Hounslow South (Pre May 2022) (1,892 decided)

80.4%

Brentford (Pre May 2022) (1,829 decided)

88.4%

Hounslow West (Pre May 2022) (1,711 decided)

80.5%

Heston East (Pre May 2022) (1,703 decided)

80.7%

Isleworth (Pre May 2022) (1,699 decided)

89.1%

19 (1,643 decided)

97.9%

Tokyngton (1,608 decided)

96.9%

Syon (Pre May 2022) (1,597 decided)

84.4%

Stonebridge (1,513 decided)

97.2%

Heston West (Pre May 2022) (1,468 decided)

81.7%

Hanger Hill (1,450 decided)

95.5%

Hounslow Heath (Pre May 2022) (1,347 decided)

81.9%

Wards in Hounslow

Turnham Green (Pre May 2022)

91.3% approval · 2,703 decisions

Chiswick Homefields (Pre May 2022)

92.5% approval · 2,696 decisions

Osterley and Spring Grove (Pre May 2022)

83.3% approval · 2,488 decisions

Chiswick Riverside (Pre May 2022)

90.3% approval · 2,190 decisions

98.3% approval · 2,080 decisions

Heston Central (Pre May 2022)

79.6% approval · 2,009 decisions

97.1% approval · 2,003 decisions

Hounslow Central (Pre May 2022)

80.3% approval · 1,958 decisions

Hounslow South (Pre May 2022)

80.4% approval · 1,892 decisions

Brentford (Pre May 2022)

88.4% approval · 1,829 decisions

Hounslow West (Pre May 2022)

80.5% approval · 1,711 decisions

Heston East (Pre May 2022)

80.7% approval · 1,703 decisions

Isleworth (Pre May 2022)

89.1% approval · 1,699 decisions

97.9% approval · 1,643 decisions

Tokyngton

96.9% approval · 1,608 decisions

Syon (Pre May 2022)

84.4% approval · 1,597 decisions

Stonebridge

97.2% approval · 1,513 decisions

Heston West (Pre May 2022)

81.7% approval · 1,468 decisions

Hanger Hill

95.5% approval · 1,450 decisions

Hounslow Heath (Pre May 2022)

81.9% approval · 1,347 decisions

Recent comparable decisions

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

P/2026/1405

Erection of single-storey side and rear extensions. · Osterley & Spring Grove · 26/06/2026

Approved

P/2026/1234

Demolition of the existing two storey rear extension and erection of a part two · Chiswick Gunnersbury · 26/06/2026

Approved

P/2026/1247

Erection of a two storey office/ commercial storage building (Use Class E) (for · Brentford West · 25/06/2026

Refused

Showing 3 of 200 comparable decisions. See all 200 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 72,995 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 72,995 planning decisions analysed since 2020, Hounslow approved 87.6% of applications and refused 12.4%. The council is ranked 77th out of 284 UK councils for approval rate.

How many planning applications are refused in Hounslow?

Hounslow refuses 12.4% of planning applications, roughly 1 in 8. That is close to the UK average of 11.7%. Out of 72,995 decided applications since 2020, 9,019 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 013609 (99.0%). 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 (50,827 decisions, 90.8% approved), Full (15,184, 87.7%), and Prior Approval (6,984, 64.6%).

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 72,559 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 12,166 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 72,995 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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