PlanningTrack
Get started

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
29,319Searchable applications
507Recorded as pending
78%Approval rate · 27,340 approved or refused records
5,904Refused applications

21,436 approved · 5,904 refused · 1,054 withdrawn. Received dates in our records: 11 Jun 2012 to 9 Oct 2026. Most recent record check: 17 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and building controlLocal plan Planning policyPre-application advice Pre-application process and feesArticle 4 directions Article 4 Directions

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. Approval14241/APP/2019/1602

    Single storey side/rear extension involving demolition of existing garage to side and rear extension

    27 FLAMBOROUGH ROAD RUISLIP

    Received 14 May 2019
  2. Approval21578/TRE/2022/192

    To carry out tree surgery including the removal of one limb back to main trunk (as identified in the photo) to One Ilex T38 on TPO 87

    33 HARLINGTON ROAD HILLINGDON MIDDLESEX UB8 3HX

    Received 15 Sept 2022
  3. Prior Approval N/Req75445/APP/2024/2019

    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 3.30 metres, and for which the height of the eaves would be 3.00 metres

    47 CHAUCER AVENUE HAYES UB4 0AR

    Received 29 Jul 2024
  4. Approval17726/APP/2025/143

    Conversion of roof space to habitable use to include rear dormer, side dormer, side roof light and 2 front roof lights. Conversion of existing integral garage to habitable use.

    102 GREEN LANE NORTHWOOD

    Received 20 Jan 2025
  5. Refusal74833/APP/2019/1660

    Change of use from offices (Use Class B1a) to 10 residential units (Use Class C3)

    HOWARD HOUSE THE RUNWAY RUISLIP HA4 6SE

    Received 16 May 2019
  6. Refusal21335/APP/2022/730

    Single storey side extension, part two storey, part single storey rear extension and raising of the main roof ridge height (retrospective)

    20 CHURCH AVENUE RUISLIP

    Received 4 Mar 2022
  7. Approval67463/APP/2024/3067

    Retention of outbuilding to rear garden (Application for a Certificate of Lawful Development for an Existing Development)

    11 RECTORY ROAD HAYES

    Received 19 Nov 2024
  8. Approval26728/TRE/2021/230

    To carry out tree surgery including a crown reduction by 3-4m in height and 2-3m laterally to include removal of two lowest limbs over the road to One Ash T5 on TPO 366

    DORMERS HILL ROAD NORTHWOOD

    Received 1 Sept 2021
  9. Refusal (Appealed)5516/APP/2025/2441

    Change of use from Class C3 dwelling house to 7-bedroom / maximum 8 person HMO Use Class Sui Generis

    14 WILLOW TREE LANE HAYES

    Received 19 Sept 2025
  10. Approval79393/APP/2025/924

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

    85 THE LARCHES HILLINGDON UB10 0DN

    Received 31 Mar 2025
  11. Approval7109/ADV/2026/11

    Installation of 1no. internally illuminated digital display

    SWAKELEYS SERVICE STATION LONG LANE ICKENHAM

    Received 16 Feb 2026
  12. Approval74468/APP/2019/1007

    Part conversion of garage into habitable space for use as a study

    25 SANCTUARY CLOSE HAREFIELD MIDDLESEX UB9 6LJ

    Received 25 Mar 2019
  13. Withdrawn (P)14805/APP/2025/2848

    Proposed landscaping works to Civic Centre forecourt including the removal and replanting of trees, the relocation of bollards, alterations to stepped access, installation of seating and planters, installation of hard surfacing to match existing and the redesign of the access podium located on the Eastern side of the Civic Centre to accommodate an accessibility ramp with associated railings. (Application for Listed Building Consent).(Revised description and drawings)

    CIVIC CENTRE HIGH STREET UXBRIDGE

    Received 11 Nov 2025
  14. Approval77014/APP/2022/234

    Erection of dormer extension to rear with 2 front roof lights, erection of single storey extension to rear and conversion of integral garage to side.

    28 LAWRENCE GROVE UXBRIDGE UB10 0FF

    Received 26 Jan 2022
  15. Approval51459/APP/2026/236

    Erection of a part first floor rear extension (amended drawings)

    96 RALEIGH AVENUE HAYES

    Received 28 Jan 2026
  16. Refusal70221/APP/2023/385

    Installation of solar panels to existing main roof dormer flat roof.

    232 WEST END ROAD RUISLIP HA4 6DX

    Received 10 Feb 2023
  17. Refusal63352/APP/2020/2714

    Conversion of roof space to habitable use to include a rear dormer and a gable end window

    1 DARRIS CLOSE HAYES

    Received 28 Aug 2020
  18. Approval9766/APP/2019/1243

    Conversion of roof space to habitable use to include 2 side dormers, 4 side roof lights, 1 front roof light and 1 rear roof light (Application for a Certificate of Lawful Development for a Proposed Development)

    59 GREENACRES AVENUE ICKENHAM

    Received 10 Apr 2019
  19. Approval27661/APP/2025/2531

    Erection of single storey outbuilding, following the demolition of existing outbuilding.

    25 BERWICK AVENUE HAYES

    Received 1 Oct 2025
  20. Approval14549/APP/2025/2671

    Erection of single storey rear extension, following demolition of existing timber frame canopy.

    30 PINE GARDENS RUISLIP HA4 9TL

    Received 15 Oct 2025
  21. Approval27161/ADV/2023/43

    Erection of 1no. internally illuminated fascia and 1no. non-illuminated projecting sign

    50 HIGH STREET RUISLIP

    Received 26 Sept 2023
  22. Approval62996/APP/2021/3698

    Conversion of roof space to habitable use to include a rear dormer roof extension, 2 front roof lights, conversion of roof from hip to gable end with new gable end window and alteration of roof form on single storey rear extension from pitched roof to flat roof configuration (Application for a Certificate of Lawful Development for a Proposed Development).

    22 CASTLETON ROAD RUISLIP

    Received 29 Sept 2021
  23. Approval10952/APP/2026/2077

    Erection of a single storey wrap around rear and side extension, following the removal of the existing rear extension

    12 BRADSHAWE WAYE UXBRIDGE

    Received 21 Aug 2026
  24. Approval9839/APP/2022/1958

    Erection of front porch

    31 COPTHALL ROAD EAST ICKENHAM

    Received 16 Jun 2022

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

View all applications

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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

  • 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.

    UK research
    Published Updated

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

More planning authorities in England

Browse all authorities