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
39,028Searchable applications
501Recorded as pending
77%Approval rate · 36,598 approved or refused records
8,509Refused applications

28,089 approved · 8,509 refused · 1,307 withdrawn. Received dates in our records: 11 Oct 2007 to 12 Oct 2026. Most recent record check: 21 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 Counts reflect the last collected status; some records may be out of date.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. Approval66045/APP/2018/1696

    Details pursuant to condition 3 (Materials) of planning permission Ref: 66045/APP/2016/4036 dated 15/02/2017 (Construction of a block of three two-bed flats with associated parking and external works)

    LAND REAR OF 22-28 ST PETER'S ROAD COWLEY UB8 3SA

    Received 4 May 2018
  2. Prior Approval N/Req64420/APP/2021/2691

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

    58 CREST GARDENS RUISLIP MIDDLESEX HA4 9HD

    Received 8 Jul 2021
  3. Approval53023/APP/2022/3721

    Erection of a porch and conversion of bungalow to a two storey dwelling with habitable roof space including a rear dormer and three roof lights.

    45 GREENACRES AVENUE ICKENHAM

    Received 9 Dec 2022
  4. Approval35476/APP/2020/1215

    Single storey rear extension and alteration to front elevation

    12 WILLOW TREE LANE HAYES

    Received 15 Apr 2020
  5. Withdrawn (P)44508/APP/2021/4210

    Erection of side dormer extension.

    70 HALFORD ROAD ICKENHAM

    Received 16 Nov 2021
  6. Refusal (Appealed)75895/APP/2026/164

    Change of use from dwellinghouse (Class C3) to small House in Multiple Occupation (Class C4), including conversion of garage space to habitable space and amendments to fenestration.

    11 WOODVILLE GARDENS RUISLIP

    Received 20 Jan 2026
  7. Approval9011/APP/2026/123

    Details pursuant to the discharge of Conditions 3 (demolition and construction management plan) of planning permission ref. 9011/APP/2025/2502, dated 23-12-25 (Removal of existing generator and associated equipment serving Substations 2 and 3, and installation of new replacement generators with associated works.)

    HAREFIELD HOSPITAL HILL END ROAD HAREFIELD MIDDLESEX UB9 6JH

    Received 15 Jan 2026
  8. Approval29337/APP/2023/1562

    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)

    15 WALTHAM AVENUE HAYES

    Received 30 May 2023
  9. Approval53136/APP/2026/1095

    Installation of a dropped kerb.

    353 STATION ROAD HAYES

    Received 1 May 2026
  10. Refusal16080/APP/2023/1357

    Erection of a front wall, two electric gates and a front porch. Existing pavers to be taken up and re-laid with additional soft landscaping (Application for a Certificate of Lawful Development for a Proposed Development)

    26 BROADWOOD AVENUE RUISLIP

    Received 10 May 2023
  11. Approval32100/APP/2023/943

    Erection of a single storey timber outbuilding to the rear garden.

    19 FAIRACRES RUISLIP

    Received 30 Mar 2023
  12. Approval50334/APP/2022/2276

    Conversion of roof space to habitable use to include a rear dormer with Juliet balcony, 3 front roof lights and conversion of roof from hip to gable end with new gable end window following demolition of chimneys. Erection of single storey rear extension, rear patio and fenestration changes following demolition of rear conservatory (Application for a Certificate of Lawful Development for a Proposed Development)

    1 CLOVELLY AVENUE ICKENHAM

    Received 18 Jul 2022
  13. Approval53969/APP/2026/1328

    Non-material amendment to approved plans from application 53969/APP/2025/1732 dated 18.8.2025, including reduction of rooflights from two to one and replacement of the approved rear window and three-panel bifold door with a four-panel bifold door to the rear extension.

    398 VICTORIA ROAD RUISLIP

    Received 28 May 2026
  14. Refusal36748/APP/2022/2188

    Demolition of existing 2-bedroom detached bungalow and erection of a two storey purpose-built flat development to include 2 no. 1-Bed, 1 no. 2-Bed and 1 no. 3-Bed self-contained units with associated facilities including parking, cycle storage, refuse storage and private amenity.

    10 OAKWOOD ROAD PINNER

    Received 7 Jul 2022
  15. Approval61880/APP/2023/3191

    Erection of a single storey rear extension.

    31 ROYAL CRESCENT RUISLIP

    Received 3 Nov 2023
  16. Approval79805/APP/2025/2984

    Erection of single storey rear extension.

    79 RABOURNMEAD DRIVE NORTHOLT UB5 6YJ

    Received 25 Nov 2025
  17. Approval79008/APP/2024/2326

    Erection of a single storey rear extension.

    18 ASH GROVE HAYES UB3 1JR

    Received 28 Aug 2024
  18. Approval14824/APP/2026/66

    Non-material amendment to planning permission ref. 14824/APP/2024/543, dated 04-03-25 (Erection of an outbuilding and shed to rear garden following the demolition of the existing garage) in order to remove Condition 3 (Materials).

    50 TORCROSS ROAD RUISLIP

    Received 9 Jan 2026
  19. Approval16463/APP/2022/1997

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

    76 LONG LANE HILLINGDON

    Received 23 Jun 2022
  20. Refusal6280/APP/2021/2919

    Erection of a pair of semi-detached houses with associated landscaping works following demolition of the existing private garages.

    LAND TO THE REAR OF 83-89 MANOR WAY RUISLIP HA4 8HW

    Received 27 Jul 2021
  21. Refusal (Appealed)74617/APP/2019/593

    Single storey rear extension (Part Retrospective)

    SIMONE'S HOUSE 41- 41A HILLINGDON ROAD UXBRIDGE UB10 OAD

    Received 19 Feb 2019
  22. Approval79156/APP/2025/742

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

    275 LANSBURY DRIVE HAYES UB4 8RX

    Received 21 Mar 2025
  23. Approval70106/APP/2020/2126

    Erection of a two storey rear and and creation of first floor to provide a one bed x one person flat

    9 ICKENHAM ROAD RUISLIP HA4 7BT

    Received 10 Jul 2020
  24. Approval13563/APP/2022/1555

    Conversion of roofspace to habitable use to include a rear dormer extension, new gable end window and 2 x front facing rooflights (Application for a Certificate of Lawful Development for a Proposed Development)

    71 HITHERBROOM ROAD HAYES

    Received 12 May 2022

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