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
24,211Searchable applications
447Recorded as pending
80%Approval rate · 22,491 approved or refused records
4,529Refused applications

17,962 approved · 4,529 refused · 939 withdrawn. Received dates in our records: 6 May 2020 to 5 Oct 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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. Approval72739/APP/2021/3056

    Single storey rear extension.

    66 CORNWALL ROAD RUISLIP HA4 6AN

    Received 9 Aug 2021
  2. Approval36221/APP/2023/1716

    Erection of a single storey extension to side and erection of a front porch with amendments to fenestration.

    99 MINET DRIVE HAYES

    Received 14 Jun 2023
  3. Approval62546/APP/2021/3464

    Conversion of roof space to habitable use to include a rear dormer, 2 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)

    7 PHELPS WAY HAYES MIDDLESEX UB3 4LH

    Received 13 Sept 2021
  4. Approval61015/APP/2024/989

    Conversion of roof space to habitable use to include a rear dormer, with 3 front roof lights and the conversion of roof from hip to gable end with new gable end window, following the erection of outbuilding to rear garden and the demolition of existing outbuilding. (Application for a Certificate of Lawful Development for a Proposed Development)

    44 WEALD ROAD HILLINGDON MIDDLESEX

    Received 17 Apr 2024
  5. Refusal (Appealed)23697/APP/2021/4278

    Demolition of existing conservatory and outbuilding and erection of single storey rear extension.

    9 ANGUS DRIVE RUISLIP

    Received 21 Nov 2021
  6. Prior Approval N/Req52579/APP/2026/1696

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

    79 BEECHWOOD AVENUE HAYES

    Received 6 Jul 2026
  7. Approval58423/APP/2025/534

    Conversion of roof space to habitable use to include a rear dormer, conversion of roof from hip to gable end with new gable end window and 3 front facing roof lights. Erection of single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)

    4 CHESTER CLOSE HILLINGDON UB8 3DB

    Received 27 Feb 2025
  8. Approval71691/APP/2023/169

    Change of use from Use Class E (commercial catering use, formerly Use Class B) to commercial dark kitchens and delivery centre (Sui Generis), installation of external plant, including 12 extract ducts and three air intake vents, and installation of an 18 sq. m. storage unit to the rear (Retrospective Application)

    UNITS 3A & 4 ESKDALE ROAD UXBRIDGE UB8 2RT

    Received 19 Jan 2023
  9. Approval17624/APP/2025/2340

    Erection of a single storey extension to the rear

    33 CHERRY LANE WEST DRAYTON

    Received 8 Sept 2025
  10. Approval47625/APP/2023/2751

    Change of use from a four-bedroom house Class C3 to a residential children's home Class C2 for three children.

    ST JOHNS CHURCH ST JOHN'S ROAD UXBRIDGE

    Received 19 Sept 2023
  11. Approval64720/APP/2020/2100

    Erection of rear garden garage and storage space (Application for a Certificate of Lawful Development for a Proposed Development)

    102 WINDSOR AVENUE HILLINGDON

    Received 8 Jul 2020
  12. Refusal23339/APP/2021/2313

    Detached outbuilding in rear garden for use as a garage/gym (Application for a Certificate of Lawful Development for a Proposed Development)

    28 BERWICK AVENUE HAYES

    Received 8 Jun 2021
  13. Approval69214/APP/2022/1081

    Single storey rear extension

    11 ST JAMES CLOSE RUISLIP HA4 9EQ

    Received 31 Mar 2022
  14. Approval16147/APP/2022/3322

    Part single; part two-storey rear extension.

    MARSTON BREAKSPEAR ROAD NORTH HAREFIELD

    Received 31 Oct 2022
  15. Approval54723/APP/2025/2805

    Erection of outbuilding to rear garden.

    211 PIELD HEATH ROAD HILLINGDON

    Received 4 Nov 2025
  16. Approval78891/APP/2024/1797

    Conversion of roof space to habitable use, including the construction of a rear dormer and from hip to gable end roof extension. Change of use from dwellinghouse (Use Class C3) to House in Multiple Occupation (Use Class C4) (maximum six-person HMO) (Application for a Certificate of Lawful Development for a Proposed Development)

    32 SHEPISTON LANE HAYES UB3 1LW

    Received 5 Jul 2024
  17. Refusal70262/APP/2021/1635

    Retention of the part two storey, part single storey side/rear extension and conversion of roof space to habitable use to include a rear dormer, 3 front and 1 side roof lights and conversion of original roof from hip to gable end

    2 WIMBORNE AVENUE HAYES UB4 0HG

    Received 26 Apr 2021
  18. Approval35875/APP/2026/1961

    Erection of a part single, part two storey wrap around extension to the side and rear

    239 THE FAIRWAY RUISLIP

    Received 10 Aug 2026
  19. Approval58554/APP/2022/3872

    Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 4 front roof lights and conversion of roof from hip to gable ends and enlargement of the existing front porch

    123 LINDEN AVENUE RUISLIP

    Received 21 Dec 2022
  20. Approval4131/APP/2021/1636

    Use of the upper floors of existing retail unit as 2 flats (Application for a Certificate of Lawful Development for a Proposed Development)

    60 HIGH STREET RUISLIP

    Received 26 Apr 2021
  21. Approval31760/APP/2020/3875

    Single storey outbuilding to rear for use as a garden store/gym/games room (Application for a Certificate of Lawful Development for a Proposed Development)

    96 BALMORAL DRIVE HAYES

    Received 24 Nov 2020
  22. Refusal35710/APP/2021/4474

    Erection of outbuilding with basement in the rear garden. Outbuilding ancillary to the commercial premises.

    214 WHITBY ROAD RUISLIP

    Received 8 Dec 2021
  23. Approval33156/APP/2021/3718

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

    163A LONG LANE HILLINGDON

    Received 4 Oct 2021
  24. Approval24003/APP/2020/2889

    Single storey rear extension involving demolition of existing extension

    81 LIME GROVE RUISLIP

    Received 10 Sept 2020

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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  • 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