London Borough of Hillingdon planning applications
Data as of 5 November 2026
London Borough of Hillingdon decided more than 3,000 planning applications in the twelve months to 5 November 2026. It refused 12% of those it approved or refused, higher than the middle UK council (9%), and took a median of 56 days to decide one.
Look up one application
Search by reference or address on London Borough of Hillingdon’s own planning portal. Or ask Claude, with the PlanningLedger connector, to find it and read its officer report and decision notice (mcp.planningledger.com).
Figures for London Borough of Hillingdon
| Applications decided | more than 3,000 |
|---|---|
| Share refusedof those approved or refused | 12%middle UK council 9% |
| Median time to a decisionfrom the valid date | 56 daysmiddle UK council 55 days |
| Householder applications refusedextensions, lofts, outbuildings | 10%of more than 1,200 decided |
| Appeals decidedin the last three years | more than 440 |
| Appeals allowedof those decided on their merits | 36%about one in three |
| Officer reports and decision notices searchable | back to 2017 |
| Local Plan policies held | more than 160plan adopted 2012 |
What inspectors decide appeals on
In their own words, from recent appeal decisions on London Borough of Hillingdon’s planning applications.
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“In light of the above, the main issues are therefore; • Whether or not the proposed development would be inappropriate development in the Green Belt; • The effect of the proposed development on the character and appearance of the area…”
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“The main issues are: • whether the proposal would be inappropriate development in the Green Belt having regard to the National Planning Policy Framework (the Framework) and any relevant development plan policies; • the effect of the proposal on the…”
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“The main issue is the effect of the proposed development on the character and appearance of the area.”
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“The main issue is the effect of the proposed development upon the character and appearance of the area.”
How we count, and what each figure leaves out: methodology. The council’s own register is the record, and each application links to it.