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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
30,001Searchable applications
509Recorded as pending
78%Approval rate · 27,984 approved or refused records
6,080Refused applications

21,904 approved · 6,080 refused · 1,078 withdrawn. Received dates in our records: 11 Jun 2012 to 9 Oct 2026. Most recent record check: 18 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 Counts reflect the last collected status; some records may be out of date.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. Approval5508/APP/2020/3434

    Installation of vehicular crossover to front

    349 STATION ROAD HAYES

    Received 23 Oct 2020
  2. Approval79594/APP/2025/1967

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

    28 WINDSOR GARDENS HAYES UB3 1QY

    Received 21 Jul 2025
  3. Approval1762/APP/2020/4253

    Part two storey, part single storey rear extension and conversion of roof space to habitable use to include 2 roof lights to front and rear roof slopes.

    14 THORNHILL ROAD ICKENHAM

    Received 21 Dec 2020
  4. Approval23575/APP/2025/3089

    Conversion of roof space to habitable use to include a rear dormer, Hip to Gable end, 3x front roof lights, and removal of chimney. (Application for a Certificate of Lawful Development for a Proposed Development).

    19 DORSET AVENUE HAYES

    Received 9 Dec 2025
  5. Prior Approval N/Req47782/APP/2024/838

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

    18 HARTLAND DRIVE RUISLIP

    Received 2 Apr 2024
  6. Refusal10437/APP/2020/4207

    Single storey rear extension

    46 HARVEY ROAD NORTHOLT

    Received 17 Dec 2020
  7. Refusal20929/APP/2022/1142

    Extraction to rear, shopfront alteration and new signage

    NATIONWIDE BUILDING SOCIETY, 137-138 HIGH STREET UXBRIDGE

    Received 5 Apr 2022
  8. Refusal20650/APP/2019/3432

    Part two storey, part single storey side and rear extension including demolition of existing extension

    5 CROSSWAY HAYES

    Received 18 Oct 2019
  9. Refusal75996/APP/2021/389

    Single storey rear extension and conversion of dwelling to 2 x 1 bed, 2 person self-contained flats

    122 WEST END LANE HARLINGTON UB3 5LY

    Received 29 Jan 2021
  10. Approval74466/APP/2023/3404

    Installation of an external condenser to facilitate a new air-conditioning unit internally.

    UNIT 7 TRADE CITY COWLEY MILL ROAD UXBRIDGE MIDDLESEX UB8 2DB

    Received 24 Nov 2023
  11. Refusal13556/TRE/2020/230

    To carry out tree surgery including a reduction in height by 3m and a lateral reduction by up to 1.5m to One Douglas Fir T14 on TPO 5

    6 PEPYS CLOSE ICKENHAM

    Received 3 Sept 2020
  12. Approval78825/APP/2024/1481

    Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development) (Amended Description)

    79 YEADING LANE HAYES UB4 0EW

    Received 4 Jun 2024
  13. Approval77171/APP/2022/1006

    Erection of a single storey detached timber outbuilding to be used as additional classrooms

    Dr Triplett's Ce Primary HEMMEN LANE HAYES UB3 2JQ

    Received 24 Mar 2022
  14. Undecided80230/APP/2026/2039

    Renewal of single glazed timber windows for like for like with doubel glazed uPVC casement, replacement of the RWG System, along with redecorations to bargeboards and external rendered surfaces.

    115-120 TOLLGATE DRIVE HAYES UB4 0NW

    Received 17 Aug 2026
  15. Refusal70664/APP/2019/595

    Single storey rear extension, porch to front and conversion of roofspace to habitable use to include a rear dormer

    LAND ADJACENT TO 23 CHESTNUT CLOSE HAYES UB3 1JG

    Received 19 Feb 2019
  16. Approval70578/APP/2022/701

    Conversion of garage into new en-suite bedroom, including replacement of garage door with window.

    29 BROADMEAD ROAD NORTHOLT

    Received 2 Mar 2022
  17. Approval72088/TRE/2026/88

    TPO 401 G2 2x Oak to remove close to ground level and treat stumps with herbicide to inhibit regrowth.

    BLUEBELL HOUSE 89 DUCKS HILL ROAD NORTHWOOD HA6 2SQ

    Received 16 Apr 2026
  18. Approval7402/TRE/2021/334

    To carry out tree surgery, including a height reduction by 8m on one Oak T2 on TPO 627

    ST HELEN'S SCHOOL EASTBURY ROAD NORTHWOOD HA6 3AS

    Received 20 Dec 2021
  19. Approval74991/APP/2019/3226

    Extension to porch

    94 HIGHLAND ROAD NORTHWOOD HA6 1JU

    Received 2 Oct 2019
  20. Approval76507/APP/2021/2343

    Conversion of garage into habitable use involving alterations to existing elevation and single storey rear extension

    13 KILPATRICK WAY HAYES UB4 9SX

    Received 10 Jun 2021
  21. Approval73585/APP/2020/1851

    Details pursuant to full discharge of Condition 8 (Delivery and Servicing Plan) and partial discharge of Condition 14 part (iii) (Contamination) of planning permission ref: 73585/APP/2018/2484 dated 23/05/2018 (Demolition of existing buildings and erection of building for the purposes of Use Class B1c/B2/B8 with associated access and parking).

    501 & 504 STONE CLOSE YIEWSLEY UB7 8JU

    Received 18 Jun 2020
  22. Approval27336/APP/2023/914

    Installation of new car park lights to replace existing lights (retrospective)

    THE GEORGE HARVESTER BURY STREET RUISLIP

    Received 27 Mar 2023
  23. Approval40469/APP/2022/1294

    Erection of a part first floor rear extension, conversion of roofspace to habitable space including 5 rear facing skylights and 1 new side facing obscured glazed window.

    4 CULLERA CLOSE NORTHWOOD

    Received 20 Apr 2022
  24. Approval76461/APP/2021/2069

    Proposed 18m Phase 8 Street Pole C/W wraparound Cabinet at base, 3 equipment cabinets and associated ancillary works (Application under Schedule 2, Part 16, Class A of the Town and Country Planning (General Permitted Development) Order 2015 (as amended) for determination as to whether prior approval is required for siting and appearance)

    GRASS VERGE OFF BURY STREET RUISLIP HA4 7UB

    Received 24 May 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

All planning guides

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    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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