England · Local authority

London Borough of Hillingdon
Planning applications.

Explore collected planning applications and decisions for London Borough of Hillingdon. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
23,639Searchable applications
447Recorded as pending
80%Approval rate · 21,953 approved or refused records
4,377Refused applications

17,576 approved · 4,377 refused · 917 withdrawn. Received dates in our records: 1 Jul 2020 to 5 Oct 2026. Most recent record check: 13 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas39 mapped area records
Article 4 direction areas149 mapped area records1 identified HMO area records; remaining records unclassified

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

  1. Approval59992/APP/2025/648

    Change of use from (C3 use class) to a small House in Multiple Occupation (HMO) (C4 use class) (Application for a Certificate of Lawful Development for a Proposed Development)

    1 DE SALIS ROAD HILLINGDON

    Received 10 Mar 2025
  2. Refusal (Appealed)38802/APP/2024/1517

    Erection of a single storey extension to the rear.

    131 WALTHAM AVENUE HAYES

    Received 6 Jun 2024
  3. Approval30535/APP/2023/299

    Conversion of roof space to habitable use to include 2 no. side dormers and rear facing window (Application for a Certificate of Lawful Development for a Proposed Development)

    10 HARTSHILL CLOSE HILLINGDON

    Received 31 Jan 2023
  4. Approval78908/APP/2024/2136

    Erection of a single storey extension to the rear.

    16 CHALFONT ROAD HAYES UB3 3BU

    Received 7 Aug 2024
  5. Approval51424/APP/2022/1282

    Erection of a single storey rear extension

    65 DELAMERE ROAD HAYES

    Received 19 Apr 2022
  6. Approval9423/APP/2025/215

    Shopfront alterations, including signage, fascia/shopfront decoration, replacement awning fabric and internal alterations (Application for Listed Building Consent)

    BOOTS THE CHEMIST,163 HIGH STREET UXBRIDGE

    Received 28 Jan 2025
  7. Withdrawn (P)20073/APP/2025/2838

    Erection of first floor side extension

    11 ELM AVENUE EASTCOTE

    Received 10 Nov 2025
  8. Withdrawn (P)76144/APP/2024/1804

    Erection of outbuilding (Application for a Certificate of Lawful Development for a Proposed Development)

    Copse Wood House 7 PINE TREES DRIVE ICKENHAM

    Received 8 Jul 2024
  9. Undecided75317/APP/2024/2074

    Stopping up of Footpath U81 Order 2024

    U81 The Greenway to Ruislip Golf Course ICKENHAM ROAD RUISLIP

    Received 5 Aug 2024
  10. Approval76959/APP/2022/5

    Conversion of roofspace to habitable use to include the erection of 2 side dormer roof extensions together with insertion of a ground floor side facing window (Application for a Certificate of Lawful Development for a Proposed Development).

    Mellow Lane Farm MELLOW LANE WEST HILLINGDON

    Received 2 Jan 2022
  11. Approval1464/APP/2023/2880

    Erection of new single storey club building to existing floor slabs following demolition of existing building and adjacent garage.

    ST EDMUND THE KING CHURCH PINNER ROAD NORTHWOOD MIDDLESEX

    Received 2 Oct 2023
  12. Non Determination (Appealed)23469/APP/2022/144

    Erection of new 3-bedroom bungalow with dormers and rooflights serving accommodation in the roof, on land to the front of existing dwelling

    170 HAREFIELD ROAD UXBRIDGE

    Received 18 Jan 2022
  13. Approval79523/APP/2025/1567

    Erection of outbuilding to rear garden.

    1 THE CRESCENT HARLINGTON UB3 5NA

    Received 4 Jun 2025
  14. Prior Approval N/Req21620/APP/2021/1264

    Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 2.961 metres, and for which the height of the eaves would be 2.961 metres

    71 GROSVENOR CRESCENT HILLINGDON

    Received 30 Mar 2021
  15. Approval34417/APP/2022/2124

    Demolish existing extension and erection of a ground floor rear extension

    130 ASHFORD AVENUE HAYES

    Received 4 Jul 2022
  16. Approval27294/APP/2022/3646

    Conversion of roof space to habitable use to include a rear dormer roof extension with side facing window, 4 x front facing roof lights and the removal of 2 x chimney stacks on rear roofslope (Application for a Certificate of Lawful Development for a Proposed Development)

    75 HALLOWELL ROAD NORTHWOOD

    Received 30 Nov 2022
  17. Approval78861/APP/2024/1647

    Conversion of roof space to habitable use to include a rear dormer and 3 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)

    159 VICTORIA ROAD RUISLIP HA4 9BW

    Received 21 Jun 2024
  18. Approval15055/APP/2024/827

    Erection of an outbuilding to rear garden.

    73 ST GEORGE'S DRIVE ICKENHAM

    Received 29 Mar 2024
  19. Approval14277/APP/2024/2346

    Proposed conversion of garage to habitable room, Part single storey rear side extension and part first floor rear extension.

    8 PEEL WAY HILLINGDON

    Received 29 Aug 2024
  20. Undecided80226/APP/2026/2025

    Erection of a single storey side and rear extension, following the demolition of the existing garage.

    2 GREENCROFT AVENUE RUISLIP HA4 9JJ

    Received 14 Aug 2026
  21. Approval38941/APP/2022/1243

    Conversion of detached garage to garden room

    1 CHIRK CLOSE HAYES

    Received 25 Apr 2022
  22. Refusal77530/APP/2022/3797

    Erection of a single storey rear extension, part first floor rear extension and double storey side extension.

    23 THE RISE HILLINGDON UB10 0JL

    Received 14 Dec 2022
  23. Refusal48771/APP/2020/2615

    Single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)

    25 NEW COURT COWLEY UXBRIDGE

    Received 19 Aug 2020
  24. Prior Approval N/Req76311/APP/2021/1232

    Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 3 metres, and for which the height of the eaves would be 3 metres

    33 ORCHARD ROAD HAYES UB3 2JB

    Received 29 Mar 2021

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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Researching a proposal in London Borough of Hillingdon

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How to search planning applications

Guides to planning records

All planning guides
  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

What these statistics cover

These figures describe applications collected by PlanningTrack for London Borough of Hillingdon, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage