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
26,996Searchable applications
441Recorded as pending
79%Approval rate · 25,163 approved or refused records
5,292Refused applications

19,871 approved · 5,292 refused · 1,016 withdrawn. Received dates in our records: 2 Sept 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 Counts reflect the last collected status; some records may be out of date.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

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. Approval27209/APP/2020/1118

    Conversion of roofspace to habitable use to include 1 front, 1 side and 1 rear rooflights

    20 BOUNDARY ROAD EASTCOTE

    Received 3 Apr 2020
  2. Approval19938/APP/2020/3655

    Single storey rear extension

    79 ROCKINGHAM ROAD UXBRIDGE

    Received 9 Nov 2020
  3. Refusal34843/APP/2022/3309

    Erection of a double storey side and rear extension with changes to front elevation together with a loft conversion and new crown roof

    33 CEDARS DRIVE HILLINGDON

    Received 28 Oct 2022
  4. Approval56037/APP/2023/2297

    Change of use from a a residential building for the provisions of care for three children to a residential building for the provisions of care for four children (Class C3b) (Application for a Certificate of Lawful Development for a Proposed Development)

    4 STRONE WAY HAYES

    Received 3 Aug 2023
  5. Approval23415/APP/2024/88

    Erection of a single storey rear/side wraparound extension, front porch and replacement of existing roof over the side extension to match with the rear extension and amendments to fenestration

    93 SOUTHBOURNE GARDENS RUISLIP

    Received 12 Jan 2024
  6. Approval75839/APP/2021/1540

    Alterations to the existing roof and addition of a third storey extension

    1 ARCON DRIVE NORTHOLT UB5 6FJ

    Received 19 Apr 2021
  7. Withdrawn (P)15963/APP/2022/3821

    Installation of horse riding menage

    SHEPHERDS HILL FARM NORTHWOOD ROAD HAREFIELD

    Received 16 Dec 2022
  8. Refusal13195/APP/2020/2907

    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 3 metres, and for which the height of the eaves would be 2.6 metres

    100 RYEFIELD AVENUE HILLINGDON

    Received 14 Sept 2020
  9. Approval4058/APP/2024/1993

    Extension of existing hospital restaurant and alteration to services, new corridor and storage building, along with associated demolition and alteration works.

    HILLINGDON HOSPITAL PIELD HEATH ROAD HILLINGDON UB8 3NN

    Received 23 Jul 2024
  10. Approval25946/APP/2026/952

    Erection of a single storey rear extension.

    21 HIGHFIELD DRIVE ICKENHAM

    Received 15 Apr 2026
  11. Approval2082/APP/2021/203

    Section 96a (Non-Material Amendment) application for amendments to Condition 2 (approved plans) of planning ref: 2082/APP/2019/4091 (05-08-20) for the erection of a 3-storey science block within the existing car park; re-surfacing of the play space fronting Vincent House to facilitate re-located car parking spaces and associated works; namely to widen the vehicular entrance gate to Vincent House Car Park from Maxwell Road by 0.5m (from 3m as approved to 3.5 m).

    NORTHWOOD COLLEGE EDUCATIONAL FOUNDATION MAXWELL ROAD NORTHWOOD HA6 2YE

    Received 19 Jan 2021
  12. Refusal (Appealed)46647/APP/2021/4542

    Erection of a first floor side extension.

    3 OWEN ROAD HAYES

    Received 15 Dec 2021
  13. Approval76629/APP/2021/2925

    Removal of rear prefabricated garage, erection of single storey extensions to front and rear, replacement of all existing windows and wrapping of the outside walls in insulation with white render over.

    136 THE FAIRWAY RUISLIP HA4 0SH

    Received 27 Jul 2021
  14. Refusal (Appealed)69570/APP/2025/2091

    Erection of part single storey, part double storey side extension, part first floor rear extension including chimney removal works; hip to gable end loft conversion with rear roof extension (involving conversion of roof space to habitable use) and installation of two roof lights to front slope with addition of porticos in existing porch.

    6 NORTH AVENUE HAYES UB3 2JE

    Received 4 Aug 2025
  15. Approval14428/APP/2026/931

    Conversion of roof space to habitable use to include the conversion of roof from hip to gable end with 3 x front roof lights (Application for a Certificate of Lawful Development for an Proposed Use)

    4 PERRY CLOSE HILLINGDON

    Received 16 Apr 2026
  16. Approval16549/APP/2025/3207

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

    66 MARVELL AVENUE HAYES

    Received 18 Dec 2025
  17. Approval854/APP/2024/1089

    Erection of a two storey rear extension replacing existing conservatory.

    25 MANOR ROAD RUISLIP

    Received 26 Apr 2024
  18. Approval71883/APP/2025/643

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

    23 KINGSWAY HAYES MIDDLESEX UB3 2TT

    Received 7 Mar 2025
  19. Approval45255/APP/2020/312

    Single storey rear extension and porch to front

    53 FERNCROFT AVENUE RUISLIP

    Received 30 Jan 2020
  20. Prior Approval N/Req15104/APP/2021/2832

    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 2.9 metres, and for which the height of the eaves would be 2.7 metres

    336 LANSBURY DRIVE HAYES

    Received 19 Jul 2021
  21. Approval78018/APP/2023/1335

    Erection of dormer extension to rear including three front roof lights and conversion of integral garage to habitable accommodation.

    20 DEBLIN DRIVE UXBRIDGE UB10 0GF

    Received 9 May 2023
  22. Approval17352/APP/2020/1145

    Single storey rear extension

    85 VICTORIA ROAD RUISLIP

    Received 6 Apr 2020
  23. Approval2600/APP/2023/1918

    Erection of an outbuilding to rear garden.

    10 WYRE GROVE HAYES

    Received 30 Jun 2023
  24. Approval42197/APP/2023/1670

    Redevelopment of the existing barns to create 5no. (2 x 3-bedroom, 2 x 2-bedroom and 1 x 1-bedroom) residential units (alternative scheme to planning permission ref. 42197/APP/2022/1124)

    WEYBEARDS FARM HILL END ROAD HAREFIELD

    Received 8 Jun 2023

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