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Decision times · London

How long planning decisions take in Hounslow

56 days.

In the year to December 2026, the median planning application decided by Hounslow took 56 days from submission to decision — exactly the eight week target. That is measured across 2,220 decisions where the council published both dates.

This council carries a figure but no rank

Not ranked yet: our records do not yet pass the historical coverage, monthly continuity, missing-date and refresh checks for this window. The figure above is still what the published dates say; it is left out of the league table so it cannot distort the ranking. See the methodology.

56 days
Median decision exactly the eight week target
57%
Within eight weeks 83% within thirteen
121 days
Nine in ten decided by The wait to budget for

How Hounslow compares

Year to December 2026

Hounslow decides faster than the country as a whole: 1 day below the national median of 57 days. Nationally 49% of applications are decided within eight weeks; here it is 57%.

The average here is 68 days, longer than the median because a handful of applications take very much longer than the rest. For planning around, 121 days is the more useful number: nine applications in ten were decided inside it.

  1. Within eight weeks the statutory target 1,269 57%
  2. Eight to thirteen weeks the major development band 569 26%
  3. Over thirteen weeks commonly an agreed extension 382 17%

By type of application

Year to December 2026 · types with at least ten decisions

The headline median mixes every kind of application together. A householder extension and an outline application for a housing site are not the same job, and the difference between them is usually larger than the difference between two councils.

  1. Amendments 62 decided 28 days
  2. Trees 343 decided 28 days
  3. Prior approval 186 decided 39 days
  4. Advertising 69 decided 56 days
  5. Lawful development 344 decided 56 days
  6. Outline 27 decided 56 days
  7. Conditions 296 decided 59 days
  8. Householder 551 decided 63 days
  9. Full applications 309 decided 79 days
  10. Heritage and listed buildings 32 decided 88 days

How these types compare nationally

What Hounslow decides

Year to December 2026

Hounslow issued 2,220 decisions in the year to December 2026. Of the clear-cut outcomes, 85% were approvals: 1,880 granted against 328 refused. Split decisions, withdrawals and other outcomes sit outside that percentage rather than being counted as either.

Speed and approval rate are separate things. A council that refuses quickly is not doing the same job as one that negotiates an approval slowly, and neither figure alone says which served the applicant better.

Common questions

How long does a planning decision take in Hounslow?

The median planning application decided by Hounslow in the year to December 2026 took 56 days from submission to decision, exactly the eight week target. That is measured across 2,220 decisions where the council published both a start date and a decision date.

Does Hounslow meet the eight week target?

57% of the 2,220 decisions Hounslow made in the year to December 2026 came within eight weeks of the application being received, and 83% within thirteen weeks. Nine in ten were decided within 121 days. Councils can agree an extension of time with an applicant, so a decision past eight weeks is not necessarily a missed deadline.

Is Hounslow faster or slower than average?

Hounslow is faster than average: its median of 56 days is 1 day below the national median of 57 days.

What proportion of applications does Hounslow approve?

85% of the clear-cut outcomes Hounslow issued in the year to December 2026 were approvals: 1,880 granted against 328 refused. Split decisions, withdrawals and other outcomes are excluded from that percentage.

Cite these figures

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Hounslow planning decision times, year to December 2026: median 56 days from application to decision (exactly the eight week target), across 2,220 decisions with both dates published. 57% were decided within the eight week statutory target, 83% within thirteen weeks; nine in ten within 121 days. 85% of clear-cut outcomes were approvals. Source: PlanIndex, planindex.co.uk.

Or take the data itself: this council's history (CSV) or the full league table (CSV).

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