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
25,613Searchable applications
441Recorded as pending
79%Approval rate · 23,841 approved or refused records
4,901Refused applications

18,940 approved · 4,901 refused · 979 withdrawn. Received dates in our records: 9 Jan 2020 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 Counts reflect the last collected status; some records may be out of date.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. Approval7881/APP/2025/2499

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

    163 EASTCOTE ROAD RUISLIP

    Received 26 Sept 2025
  2. Refusal5407/APP/2020/862

    Erection of single storey rear extension incorporating B1 offices

    19 SWAKELEYS ROAD ICKENHAM

    Received 10 Mar 2020
  3. Approval78729/APP/2024/2485

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

    29 WHITTINGTON AVENUE HAYES UB4 0AD

    Received 16 Sept 2024
  4. Approval78132/APP/2023/1983

    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.

    274 WEST END ROAD RUISLIP HA4 6DY

    Received 6 Jul 2023
  5. Approval13150/APP/2022/1507

    Erection of a single storey side and rear extension and front porch

    143 COLDHARBOUR LANE HAYES

    Received 10 May 2022
  6. Approval78366/APP/2023/3130

    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. (Application for a Certificate of Lawful Development for a Proposed Development)

    15 CHURCH CLOSE UXBRIDGE UB7 2XG

    Received 30 Oct 2023
  7. Approval44696/APP/2024/1771

    Conversion of integral garage to habitable accommodation

    18 REGENTS CLOSE HAYES

    Received 4 Jul 2024
  8. Approval36308/APP/2023/263

    Erection of a single storey side extension, patio area and changes to windows and doors

    1 HALE END CLOSE RUISLIP

    Received 27 Jan 2023
  9. Approval39392/APP/2024/397

    Reserved Matters relating to Access, Appearance, Landscaping, Layout, and Scale of outline planning permission Appeal ref: APP/R5510/W/20/3261381 (LPA ref: 39392/APP/2020/938), dated 22-03-2021 for Proposed new attached two storey house.

    16 PRIORY COTTAGES HARVIL ROAD HAREFIELD UB9 6AS

    Received 15 Feb 2024
  10. Approval4058/APP/2023/2793

    Details pursuant to the partial discharge of Condition 4 (Parts a, b, c, d & e) (Details of Windows and Doors) in relation to planning permission reference 4058/APP/2021/3651 dated 09-09-22 for 'External air conditioning plant to be enclosed within a timber plant enclosure, replacement of external ramp, repair and restoration of all windows throughout and installation of secondary glazing and replacement of damaged windows and doors, repointing of existing brickwork to be repointing where damaged and repainting to match existing, replacement of existing round rooflight like for like. Internal reconfiguration comprising the installation of demountable partition walls, removal of partition walls, replacement of non-original doors with fire doors (Application for Listed Building Consent)'.

    THE FURZE HILLINGDON HOSPITAL PIELD HEATH ROAD HILLINGDON UB8 3NN

    Received 22 Sept 2023
  11. Prior Approval N/Req36674/APP/2026/1485

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

    317 LONG DRIVE RUISLIP

    Received 16 Jun 2026
  12. Approval1397/APP/2024/1612

    Erection of a rear conservatory extension.

    84 SWAKELEYS ROAD ICKENHAM

    Received 18 Jun 2024
  13. Withdrawn (P)75945/APP/2021/173

    Use of land as a solar farm, involving the laying out 144 x 340 solar panels, with associated ancillary structures, (including transformers, substation, inverters boundary fencing and maintenance track) and connections to the electricity grid.

    RIVERSIDE HOTEL TROUT ROAD YIEWSLEY UB7 7RT

    Received 14 Jan 2021
  14. Prior Approval N/Req78741/APP/2024/1081

    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 2.40 metres

    7 JUDGE HEATH LANE HAYES

    Received 25 Apr 2024
  15. Refusal66833/APP/2022/752

    Conversion of roof space to habitable use to include a rear dormer roof extension, 3 front roof lights and conversion of roof from hip to gable end with new gable end window and removal of existing chimney and installation of metal flue to existing wood burning stove (Application for a Certificate of Lawful Development for a Proposed Development)

    87 LIME GROVE RUISLIP MIDDLESEX HA4 8RW

    Received 7 Mar 2022
  16. Approval13983/APP/2021/990

    Conversion of roof space to habitable use to include 2 side dormers (Application for a Certificate of Lawful Development for a Proposed Development)

    109 HARLINGTON ROAD HILLINGDON

    Received 13 Mar 2021
  17. Approval17132/APP/2020/3911

    Single storey front extension

    390 FIELD END ROAD RUISLIP

    Received 26 Nov 2020
  18. Refusal78272/APP/2023/2656

    Conversion of garage to habitable use. Erection of a single storey rear extension.

    25 WESTLAKE CLOSE HAYES UB4 9RT

    Received 9 Sept 2023
  19. Approval7637/APP/2021/1465

    Single storey rear extension

    2 SIDMOUTH DRIVE RUISLIP

    Received 14 Apr 2021
  20. Approval46104/APP/2020/503

    Details pursuant to condition 4 (Noise Insulation) of planning permission Ref: 46104/APP/2019/2606 dated 27/09/2019 (Change of use from B1(a) Offices to C3 Residential (Prior Approval) to provide 28 residential units.)

    ALLPORT HOUSE, COWLEY BUSINESS PARK HIGH STREET COWLEY UB8 2AD

    Received 13 Feb 2020
  21. Refusal (Appealed)7828/APP/2022/3326

    Erection of a two storey 3-bedroom house with amenity provisions and single off-street parking

    107 VICTORIA AVENUE HILLINGDON

    Received 31 Oct 2022
  22. Approval56624/APP/2021/2085

    Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 3.5 metres, for which the maximum height would be 3.2 metres, and for which the height of the eaves would be 2.8 metres

    72 NORTHWOOD WAY NORTHWOOD MIDDLESEX

    Received 25 May 2021
  23. Approval5899/APP/2024/918

    Erection of an outbuilding to rear garden

    15 BRIDGE WAY ICKENHAM

    Received 9 Apr 2024
  24. Approval76184/TRE/2021/28

    To carry out tree surgery, including a crown reduction by 2m to one oak, T16 on TPO 175

    5 FRINGEWOOD CLOSE NORTHWOOD

    Received 4 Feb 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

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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