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
31,544Searchable applications
509Recorded as pending
78%Approval rate · 29,454 approved or refused records
6,528Refused applications

22,926 approved · 6,528 refused · 1,121 withdrawn. Received dates in our records: 11 Jun 2012 to 9 Oct 2026. Most recent record check: 18 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 Counts reflect the last collected status; some records may be out of date.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. Approval73733/APP/2019/637

    Details pursuant to Condition 3 (external materials) of planning ref: 73733/APP/2018/4009 (External alterations to the existing building including the erection of dormers, balconies and associated alterations)

    256 FIELD END ROAD EASTCOTE HA4 9NB

    Received 22 Feb 2019
  2. Approval74626/APP/2019/1552

    Single storey rear extension

    34 PORTERS WAY WEST DRAYTON UB7 9AT

    Received 9 May 2019
  3. Approval19407/APP/2020/689

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

    5 WESTBOURNE CLOSE HAYES

    Received 28 Feb 2020
  4. Prior Approval N/Req75699/APP/2021/4516

    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 3.36 metres, and for which the height of the eaves would be 2.5 metres

    4 MEZEN CLOSE NORTHWOOD HA6 2DP

    Received 13 Dec 2021
  5. Approval73811/APP/2020/3230

    Conversion of roof space to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)

    11 THE CROFT RUISLIP HA4 0SF

    Received 8 Oct 2020
  6. Refusal67092/APP/2023/2550

    Erection of a single storey extension to rear and erection of a front porch.

    9 HUNTERS GROVE HAYES

    Received 29 Aug 2023
  7. Approval74714/APP/2019/1071

    Two storey side extension

    UNIT 4 PETER JAMES BUSINESS CENTRE PUMP LANE HAYES UB3 3NT

    Received 29 Mar 2019
  8. Approval25744/APP/2024/342

    Conversion of roof space to habitable use to include a rear dormer with Juliette balcony, 3 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development).

    19 MYRTLE AVENUE RUISLIP

    Received 9 Feb 2024
  9. Approval15665/APP/2021/826

    Provision of 2 x 10 ft storage containers within yard

    SKYPORT TELEPHONE EXCHANGE NEWALL ROAD HEATHROW AIRPORT

    Received 2 Mar 2021
  10. Approval13572/TRE/2018/143

    To fell one Lombardy Poplar T3 on TPO 601 and to fell one Lombardy Poplar T14 on TPO 601

    UXBRIDGE COLLEGE (HAYES CENTRE) COLDHARBOUR LANE HAYES

    Received 21 Aug 2018
  11. Approval14164/APP/2018/2681

    Conversion of two storey dwelling into 2 x 1-bed self contained units with associated amenity space, parking and cycle parking

    2 BLACK ROD CLOSE HAYES

    Received 23 Jul 2018
  12. Approval51725/APP/2018/3081

    Single storey rear extension.

    90 HIGH STREET NORTHWOOD

    Received 25 Aug 2018
  13. Refusal61036/TRE/2023/86

    To carry out tree surgery including a crown reduction in height by 50% to One Cypress (T1 on application) and a crown reduction in height by 30% to One Cypress (T2 on application) both within Woodland 24 on TPO 1

    25 ENSTONE ROAD ICKENHAM MIDDLESEX UB10 8EZ

    Received 26 Apr 2023
  14. Approval70590/APP/2024/2751

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

    7 DARRIS CLOSE HAYES

    Received 15 Oct 2024
  15. Approval56864/APP/2021/2532

    Single storey side extension

    47 MOUNT PLEASANT HAREFIELD MIDDLESEX UB9 6BG

    Received 24 Jun 2021
  16. Refusal (Appealed)68002/APP/2020/3011

    Part two storey, part single storey side/rear extension and conversion of dwelling into 1 x 2-bed and 1 x 3-bed self contained dwellings with associated parking and amenity space and widening of the existing vehicular crossover

    156 YORK AVENUE HAYES

    Received 22 Sept 2020
  17. Approval51352/APP/2022/378

    Erection of a two-storey part rear and part side extension (involving the conversion of the existing side conservatory) and associated internal rearrangement/ improvements; new porch and downstairs utility/wc and open-plan family room.

    35 CASTLE AVENUE YIEWSLEY

    Received 9 Feb 2022
  18. Approval43347/APP/2024/1253

    Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 2.85 metres, and for which the height of the eaves would be 2.85 metres

    4 THE GLEBE WEST DRAYTON

    Received 10 May 2024
  19. Approval924/APP/2022/3603

    Demolition of no. 48 and no. 60 Ducks Hill Road, garage and wooden storage unit and the erection of three new buildings comprising of 12 assisted-living units (Class C2), proposed ancillary communal space, including cafe and restaurant, external connecting link building, landscaping and external works.

    DENVILLE HALL DUCKS HILL ROAD NORTHWOOD

    Received 25 Nov 2022
  20. Approval3704/APP/2021/3953

    Erection of detached single storey outbuilding for use as a game room/gym/garden store (Application for a Certificate of Lawful Development for a Proposed Development)

    9 TOWNFIELD SQUARE HAYES

    Received 24 Oct 2021
  21. Refusal (Appealed)157/APP/2026/147

    Change of use into a wheelchair accessible HMO (Use Class C4) and amendment to fenestration

    5 GERRARD GARDENS EASTCOTE PINNER

    Received 19 Jan 2026
  22. Refusal77639/APP/2022/3273

    Proposed telecommunications installation: Proposed 16.0m Phase 8 Monopole C/W wrapround Cabinet at base and associated ancillary works (Application under Class A, Part 16 of Schedule 2 to the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for determination as to whether prior approval is required for siting and appearance).

    WINDMILL HILL STREETWORKS WINDMILL HILL RUISLIP HA4 8PT

    Received 26 Oct 2022
  23. Approval1331/APP/2020/3915

    Details pursuant to the partial discharge of Condition 4 (SuDS - Block E only) as attached to planning permission ref. 1331/APP/2019/1666 dated 11/09/2020 (Section 73 application to vary Condition 9 (Residential Condition - Approved Plans) of planning permission ref: 1331/APP/2017/1883 dated 28/06/2018 (Part demolition of existing factory buildings and associated structures, and redevelopment to provide residential dwellings (Use Class C3), office, retail, community and leisure uses (Use Class A1/A3/A4/B1/B8/D1/D2), commercial floorspace (Use Classes B1c/B2/B8) and Data Centre (Sui Generis), amenity and playspace, landscaping, allotments, access, service yards, associated car parking and other engineering works) (as amended by application ref: 1331/APP/2020/50 dated 06/02/20)).

    FORMER NESTLE FACTORY NESTLES AVENUE HAYES

    Received 26 Nov 2020
  24. Approval13544/APP/2019/1508

    Details pursuant to condition 5 (Soundproofing) of Secretary of State's Appeal Decision ref: APP/R5510/W/18/3209203 dated 27/02/2019 (LBH ref: 13544/APP/2017/4639 dated 21/12/2017); Conversion of undercroft parking to provide 2 x 1-bed flats and 5 x studio flats with associated alterations

    WESTCOMBE HOUSE, 36-38 WINDSOR STREET UXBRIDGE UB8 1AB

    Received 7 May 2019

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

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

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