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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
26,562Searchable applications
441Recorded as pending
79%Approval rate · 24,742 approved or refused records
5,179Refused applications

19,563 approved · 5,179 refused · 1,009 withdrawn. Received dates in our records: 8 Oct 2019 to 5 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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. Approval6206/APP/2020/691

    First floor side extension, single storey rear extension and conversion of garage to habitable use with alterations to front elevation

    1 GROVE CLOSE ICKENHAM

    Received 28 Feb 2020
  2. Undecided53062/APP/2026/2238

    Single storey rear extension. Amendments to front and rear fenestration including relocation the front door. Addition of a dormer window to rear sloped roof to create habitable roofspace. Addition of solar panels to the rear sloped roof. Extension of raised patio.

    19 EASTBURY ROAD NORTHWOOD

    Received 18 Sept 2026
  3. Approval76427/APP/2021/1855

    Single storey rear extension

    4 FREMANTLE WAY HAYES UB3 2FX

    Received 7 May 2021
  4. Approval46214/APP/2020/1994

    Details pursuant to Condition 23 (fire emergency plan) of planning ref: 46214/APP/2016/2397 for the variation of condition 2 (Approved Plans) of planning permission ref. 46214/APP/2014/2827 dated 28-08-2015: Conversion and extension of existing office building to form a 200 bedroom hotel with banqueting suite, conference facilities, and rooftop restaurant, including a seven-storey extension to rear, a three storey addition at roof level, and single-storey side extension, together with the creation of a new vehicle access, and alterations to car parking and landscaping.

    1 NOBEL DRIVE HARLINGTON

    Received 1 Jul 2020
  5. Approval79451/APP/2025/1167

    Erection of an outbuilding to the rear.

    30 BISHOPS ROAD HAYES UB3 2TB

    Received 25 Apr 2025
  6. Approval74537/APP/2023/449

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

    34 GREENCROFT AVENUE RUISLIP HA4 9JJ

    Received 16 Feb 2023
  7. Approval76475/APP/2021/3869

    Conversion of garage to habitable use

    1 WESTLAKE CLOSE HAYES UB4 9RT

    Received 18 Oct 2021
  8. Approval3390/APP/2021/2893

    Single storey side and rear extension

    195 LONG LANE HILLINGDON

    Received 27 Jul 2021
  9. Refusal48662/APP/2021/4530

    Erection of a single storey rear extension; part single, part two storey front and side extension with alterations to the front porch.

    11 MYRTLE CLOSE WEST DRAYTON

    Received 14 Dec 2021
  10. Refusal60114/APP/2021/533

    Single storey side/rear extension

    2A NICHOLLS AVENUE HILLINGDON

    Received 10 Feb 2021
  11. Approval50395/APP/2021/1322

    Change of use of part of the ground floor, first floor and second floor from offices (Use Class E(g)) to residential use (Use Class C3) to include 6 self-contained dwellings (Application for Prior Approval under Schedule 2, Part 3, Class O of the Town and Country Planning (General Permitted Development) (England) Order 2015)

    BEDFONT CROSS STANWELL ROAD FELTHAM TW14 8NX

    Received 1 Apr 2021
  12. Withdrawn (P)2359/APP/2022/612

    Change of use for the existing rear outbuilding from ancillary use to a residential self-contained residential studio unit with amenity space

    5 CARFAX ROAD HAYES

    Received 24 Feb 2022
  13. Approval75581/APP/2020/1519

    Single storey rear extension, front porch and single storey outbuilding to the rear for use as a home gym/play room

    43 SWAN ROAD WEST DRAYTON UB7 7JZ

    Received 15 May 2020
  14. Approval56840/APP/2024/3302

    Installation of fire barriers and removal of flammable materials behind existing cladding (Application for a Certificate of Lawful Development for a Proposed Development)

    SHERINGHAM COURT 11 CLAYTON ROAD HAYES UB3 1AX

    Received 18 Dec 2024
  15. Approval22345/APP/2020/369

    Part two storey, part single storey rear extension including demolition of existing lean-to side shed and rear conservatory

    34 THE GREEN WEST DRAYTON

    Received 4 Feb 2020
  16. Approval70460/APP/2022/2483

    Demolition of existing sheds and the erection of a two storey extension and internal mezzanine floorspace.

    UNIT 3 HIGHBRIDGE INDUSTRIAL ESTATE OXFORD ROAD UXBRIDGE MIDDLESEX UB8 1LX

    Received 4 Aug 2022
  17. Approval18948/APP/2023/2776

    Details pursuant to Condition 31 (Public Library and Adult Education Management Plan) attached to planning permission ref. 18948/APP/2020/2551 dated 31-08-2021 (Demolition of existing buildings and construction of a new 8FE school including public library, Sixth form classrooms, new NP/ASD/SRP department, adult education classrooms, outdoor and indoor sport and recreation facilities, and associated landscaping and refuse stores/collection points.)

    HARLINGTON COMMUNITY SCHOOL PINKWELL LANE HAYES UB3 1PB

    Received 21 Sept 2023
  18. Approval77325/APP/2022/1755

    Erection of a wooden pergola canopy structure to the rear (retrospective).

    27 WESCOTT WAY UXBRIDGE

    Received 26 May 2022
  19. Approval28597/APP/2023/832

    Conversion of roof space into a habitable space, with insertion of roof windows to the front, side and rear elevations

    134A PARK LANE HAYES

    Received 20 Mar 2023
  20. Prior Approval N/Req71407/APP/2026/276

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

    42 THE SIGERS EASTCOTE HA5 2QH

    Received 2 Feb 2026
  21. Approval61621/APP/2024/2842

    Erection of front porch (Retrospective application)

    23 LIME AVENUE YIEWSLEY

    Received 25 Oct 2024
  22. Withdrawn (P)76744/APP/2021/3445

    Installation of 1 no. new BT Street Hub, incorporating 2 no. digital 75 LCD advert screens, plus the removal of associated BT kiosk(s).

    Land Fronting 124 HIGH STREET RUISLIP HA4 8LR

    Received 10 Sept 2021
  23. Approval4868/APP/2023/2520

    Change of use from office space to five residential flats (Class C3) (Application to determine if prior approval is required pursuant to Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development)(England) Order 2015 (as amended).

    575-583 BATH ROAD LONGFORD

    Received 24 Aug 2023
  24. Refusal65005/APP/2021/104

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

    6 LANSBURY DRIVE HAYES MIDDLESEX UB4 8SD

    Received 12 Jan 2021

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

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    Planning application documents: what to read first

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  • 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.

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  • 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.

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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.

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