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
32,398Searchable applications
509Recorded as pending
78%Approval rate · 30,267 approved or refused records
6,757Refused applications

23,510 approved · 6,757 refused · 1,138 withdrawn. Received dates in our records: 11 Jun 2012 to 9 Oct 2026. Most recent record check: 19 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 Counts reflect the last collected status; some records may be out of date.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. Approval61876/APP/2024/3057

    Change of use for existing ground floor retail unit (Use Class E(a)) to fitness studio (Use Class E(d)) (Application for a Certificate of Lawful Development for a Proposed Use)

    16C HIGH STREET NORTHWOOD HA6 1BN

    Received 18 Nov 2024
  2. Undecided3299/APP/2026/2278

    Erection of a single-storey side extension to create a ground-floor wet room.

    22 OAKWOOD ROAD PINNER

    Received 24 Sept 2026
  3. Prior Approval N/Req70184/APP/2019/2558

    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 3.45 metres, and for which the height of the eaves would be 3 metres

    16 HYDE WAY HAYES UB3 4PA

    Received 5 Aug 2019
  4. Prior Approval N/Req6201/APP/2022/1290

    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 3.7 metres, and for which the height of the eaves would be 2.4 metres.

    64 GOSHAWK GARDENS HAYES

    Received 26 Apr 2022
  5. Refusal54287/APP/2026/1660

    Erection of a part single storey, part two storey extension to the front and side, erection of a single storey extension to the rear

    25 STIRLING ROAD HAYES

    Received 2 Jul 2026
  6. Approval53188/APP/2025/1618

    Conversion of roof space to habitable use to include a rear dormer and 2 no front roof lights.

    19 KINGSASH DRIVE HAYES

    Received 10 Jun 2025
  7. Approval80232/APP/2026/2042

    External alterations comprising the replacement of existing single glazed timber casement windows with double glazed uPVC casement windows of a matching style, replacement of the rainwater goods, redecoration of the bargeboards and external rendered surfaces, and cleaning of the existing fascia and soffits.

    112-114 TOLLGATE DRIVE HAYES UB4 0NW

    Received 17 Aug 2026
  8. Prior Approval N/Req20496/APP/2020/604

    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 3.22 metres, and for which the height of the eaves would be 2.25 metres

    89 WHITTINGTON AVENUE HAYES

    Received 21 Feb 2020
  9. Approval13010/APP/2023/3177

    Details pursuant to the partial discharge of Condition 4 part (ii) (Contamination), 4 part (iii) (Verification Report), 4 part (iv) (Chemical Contamination) of planning permission ref. 13010/APP/2020/1006, dated 28/05/2020 (Change of use from offices (Use Class B1a) to residential (Use Class C3) to accommodate 19 residential units (Application for Prior Approval under Schedule 2, Part 3, Class O of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended)

    FRAYS COURT, 71-73 COWLEY ROAD UXBRIDGE UB8 2AE

    Received 2 Nov 2023
  10. Withdrawn (P)28160/APP/2021/343

    Relocation of existing 2 no. antennas and installation of 4 no. new antennas on new antenna poles on the existing stub mast and associated ancillary development.

    COLDHARBOUR LANE HOUSE COLDHARBOUR LANE HAYES

    Received 27 Jan 2021
  11. Approval79807/APP/2025/2959

    Erection of a single storey rear extension to create an Office Space

    12-14 LONG DRIVE RUISLIP HA4 0HG

    Received 21 Nov 2025
  12. Approval28804/APP/2019/2139

    Single storey side extension and conversion of attached garage to habitable use to include alterations to front elevation (Application for a Certificate of Lawful Development for a Proposed Development)

    6 THE CHANTRY HILLINGDON

    Received 25 Jun 2019
  13. Refusal (Appealed)8560/APP/2018/1091

    Single storey front extension involving conversion of garage to habitable use and alterations to roof over garage

    77 HILLSIDE ROAD NORTHWOOD

    Received 22 Mar 2018
  14. Approval71253/APP/2020/2357

    Single storey rear extension, porch to front and installation of render

    17 SUSSEX ROAD ICKENHAM UB10 8PN

    Received 28 Jul 2020
  15. Approval73572/APP/2018/2840

    Single storey outbuilding to rear for use as playroom/gym

    63 POTTER STREET NORTHWOOD

    Received 5 Aug 2018
  16. Undecided11710/APP/2026/1744

    Erection of a single storey rear extension

    59 MARVELL AVENUE HAYES

    Received 11 Jul 2026
  17. Approval17406/APP/2022/1542

    Conversion of loft space to habitable use, including rear dormer and 2 x roof lights

    9 IVY HOUSE ROAD ICKENHAM

    Received 19 May 2022
  18. Approval39716/APP/2025/2616

    Erection of single storey rear extension.

    22 DEANE CROFT ROAD EASTCOTE PINNER

    Received 9 Oct 2025
  19. Approval19076/APP/2025/2394

    Erection of front porch extension, part single-storey, part two-storey side and rear extension, roof conversion and erection of rear dormer, and amendments to fenestration.

    111 LONG LANE ICKENHAM

    Received 15 Sept 2025
  20. Approval72211/APP/2019/664

    Three storey building compromising of 6 x 2-bed flats with associated parking and amenity space, involving demolition of existing garages.

    LAND AT GARAGE BLOCK SOUTHBOURNE GARDENS RUISLIP HA4 9SQ

    Received 25 Feb 2019
  21. Approval68010/APP/2023/1554

    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)

    66 DENBIGH DRIVE HAYES

    Received 26 May 2023
  22. Approval12054/APP/2025/601

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

    68 NORWICH ROAD NORTHWOOD

    Received 5 Mar 2025
  23. Approval18494/APP/2025/493

    Erection of a single storey side extension with front facing garage doors. (Application for a Certificate of Lawful Development for a Proposed Development)

    32 GREENACRES AVENUE ICKENHAM

    Received 21 Feb 2025
  24. Approval47713/APP/2024/2233

    Erection of a front porch

    177 STATION ROAD WEST DRAYTON

    Received 17 Aug 2024

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

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  • 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