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
25,707Searchable applications
441Recorded as pending
79%Approval rate · 23,926 approved or refused records
4,935Refused applications

18,991 approved · 4,935 refused · 984 withdrawn. Received dates in our records: 23 Dec 2019 to 5 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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. Approval45151/ADV/2024/22

    Installation of 4no. internally illuminated fascia signs (revised drawings)

    BRITISH MIDLAND HEATHROW HANGAR EXETER WAY HEATHROW AIRPORT

    Received 9 Apr 2024
  2. Approval42490/APP/2023/3677

    Conversion of roof space to habitable use to include a rear dormer, and conversion of roof from hip to gable ends including a single storey side extension Change of use from C3 (dwelling house) into C4 (house of multiple occupation). (Application for a Certificate of Lawful Development for a Proposed Development)

    10 CROYDE AVENUE HAYES

    Received 19 Dec 2023
  3. Approval28220/APP/2023/2545

    Erection of a single story rear extension. Conversion of garage into habitable room including the raising of roof and alterations to fenestration. Relocation of front door to front elevation

    23 PEMBROKE ROAD RUISLIP

    Received 28 Aug 2023
  4. Approval25615/APP/2020/3852

    First floor side extension

    2 OXFORD AVENUE HARLINGTON

    Received 23 Nov 2020
  5. Approval72105/APP/2023/3332

    Variation of Condition 2 (submitted plans) and 4 (landscape scheme) of planning permission ref. 72105/APP/2021/1534, dated 22/06/2021 (Erection of a two storey building to create a 4-bedroom dwelling house with accommodation in the loft, associated parking and amenity space.) to relocate vehicle crossover and onsite parking alterations with landscape alterations.

    1A BOTWELL CRESCENT HAYES UB3 2BD

    Received 17 Nov 2023
  6. Approval75127/APP/2025/2836

    Details pursuant to Condition 11 (ecological enhancement plan) of application reference 75127/APP/2023/1646 dated 23-04-24 for 'Minor material amendment (s73) to Condition 2 (Approved Plans) and Condition 3 (General Compliance with Supporting Documents) of planning consent reference: 75127/APP/2022/2395 dated 13-03-2023 (Minor material amendment application (s73) to amend Condition 3 of planning consent reference 75127/APP/2019/3221 dated 27-04-2020 (Redevelopment of site including demolition of existing buildings (Use Class D1) to provide a part 2, part 3 storey building including a basement to provide a leisure centre (Use Class D2) with access, car parking (including a decked car park), landscaping and associated work). The amendments include the removal of the car park deck, re-arrangement of the parking layout and provision of a switch room within the site'.

    West Drayton Leisure Centre, Harmondsworth Road/ ROWLHEYS PLACE WEST DRAYTON

    Received 10 Nov 2025
  7. Refusal27988/APP/2020/149

    Variation of conditions 2 (Approved Plans) of planning permission ref: 27988/APP/2019/3452 dated 23/12/2019 (Two storey front extension, single storey rear extension, single storey side extension, first floor side extensions, conversion of garage to habitable use, and conversion of roof space to habitable use to include 2 front dormers, 3 rear dormers and 4 side roof lights, involving raising of ridge height and roof extension, involving alterations to front elevation) to allow for front single storey extension

    MEWBURN NORTHGATE NORTHWOOD

    Received 16 Jan 2020
  8. Prior Approval N/Req77005/APP/2022/209

    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 2.90 metres, and for which the height of the eaves would be 2.90 metres

    8 BRIAR WAY WEST DRAYTON UB7 9AR

    Received 24 Jan 2022
  9. Approval10512/APP/2023/3062

    Erection of a single storey extension to the rear following demolition of existing conservatory and alterations to fenestration on existing building

    3 DENBIGH CLOSE RUISLIP

    Received 20 Oct 2023
  10. Refusal6377/APP/2021/461

    Part two storey part single storey side extension and crossover to front.

    128 ROYAL LANE HILLINGDON

    Received 5 Feb 2021
  11. Refusal76003/APP/2020/3656

    Erection of a two storey 6-bed dwelling with habitable roofspace, basement and associated parking and amenity space including demolition of existing building

    TUSCANY OAK GLADE NORTHWOOD HA6 2TY

    Received 9 Nov 2020
  12. Approval76463/APP/2021/2070

    Demolition of existing single storey side/rear extensions to no.56 and change of use from Veterinary Practice to a dwellinghouse. Single storey side and rear extension; and rear dormer at no.54 including change of use from 4x1 bed flats to Veterinary Practice including ancillary flat for staff use. Hard and soft landscaping; boundary treatment; alterations to the forecourt and parking including crossovers; fenestration changes and cycle and refuse provision.

    54 and 56 PEMBROKE ROAD RUISLIP HA4 8NF

    Received 21 May 2021
  13. Refusal (Appealed)77305/ADV/2022/46

    Internally illuminated freestanding double-sided digital advertisement unit

    Pavement Outside 145-147 HIGH STREET RUISLIP HA4 8JY

    Received 25 May 2022
  14. Approval61508/APP/2024/2257

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

    20 EAST ROAD WEST DRAYTON MIDDX

    Received 20 Aug 2024
  15. Prior Approval N/Req77908/APP/2023/700

    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 2.95 metres, and for which the height of the eaves would be 2.85 metres

    62 COMMONWEALTH AVENUE HAYES UB3 2PN

    Received 9 Mar 2023
  16. Approval48240/APP/2022/1885

    Conversion of roof space to habitable use to include a rear dormer roof extension with 3 front rooflights together with the erection of a front porch extension and demolition of existing outbuilding coupled with the erection of replacement outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)

    31 CAMDEN AVENUE HAYES

    Received 13 Jun 2022
  17. Refusal17364/TRE/2024/83

    To remove one Silver Birch at T3 on TPO 114

    55 KEWFERRY ROAD NORTHWOOD

    Received 19 Apr 2024
  18. Approval1331/APP/2023/2322

    Details pursuant to conditions 44 and 54 (external materials) (Block F2 only) as attached to planning permission ref. 1331/APP/2021/751 dated 28-06-2021 (Section 73 application seeking a variation to Condition 61 (Approved Drawings) of planning permission ref: 1331/APP/2019/1666 dated 11-09-20 (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)).

    Block F2 Former Nestle Factory NESTLES AVENUE HAYES UB3 4RF

    Received 4 Aug 2023
  19. Approval9667/APP/2023/2840

    Erection of part single, part double storey rear and side extensions with a render finish, following demolition of garage. Alterations to fenestration and new patio to rear

    3C COURT ROAD ICKENHAM

    Received 27 Sept 2023
  20. Approval58097/APP/2022/769

    Conversion of roof space to habitable use to include a side dormer roof extension, 5 side facing rooflights, 1 first floor front facing window and 1 first floor rear facing window (Application for a Certificate of Lawful Development for a Proposed Development).

    47 BOURN AVENUE HILLINGDON MIDDLESEX UB8 3AR

    Received 7 Mar 2022
  21. Undecided17709/APP/2026/2075

    Details pursuant to the discharge of Conditions 24 (Circular Economy Monitoring Report) and 25 (Whole Life-Cycle Carbon Assessment) of planning permission ref. 17709/APP/2023/2673, dated 08-02-2024 (Demolition of former residential school and erection of academic building (Use Class F1) and ancillary structures including heat pump and substation enclosures, construction of a multi-use games area, revised vehicular access, landscaping, car and cycle parking and associated works.)

    THE HAREFIELD ACADEMY, LORD ADONIS HOUSE NORTHWOOD WAY HAREFIELD UB9 6ET

    Received 21 Aug 2026
  22. Approval30673/APP/2023/1571

    Erection of a single storey rear/side extension and conversion of garage to habitable accommodation with amendments to fenestration and garage roof (revised plans and description)

    52 WHITBY ROAD RUISLIP

    Received 30 May 2023
  23. Approval64867/APP/2021/3719

    Single storey rear extension, double storey side extension and addition of dormer to existing roof.

    28 SOUTH WALK HAYES MIDDX UB3 2RF

    Received 4 Oct 2021
  24. Refusal (Appealed)66809/APP/2023/2307

    Conversion of roof space to habitable use to include rear and side hip to gable extensions with raising of rear roof ridge line, gable end window, 3 x rear roof lights, 1 x front roof light and external rendering on all external walls

    32 STAFFORD ROAD RUISLIP

    Received 4 Aug 2023

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.

  • 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