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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
20,456Searchable applications
448Recorded as pending
81%Approval rate · 18,915 approved or refused records
3,502Refused applications

15,413 approved · 3,502 refused · 829 withdrawn. Received dates in our records: 8 Mar 2021 to 5 Oct 2026. Most recent record check: 11 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 Counts reflect the last collected status; some records may be out of date.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. Approval76165/APP/2022/2343

    External alterations comprising the installation of wall mounted feature above main entrance, creation of new hard and soft landscaping and external advertisements.

    HARMAN HOUSE GROUND FLOOR 1 GEORGE STREET GEORGE STREET UXBRIDGE MIDDLESEX UB8 1QQ

    Received 21 Jul 2022
  2. Approval10435/APP/2025/350

    Erection of a single storey rear extension, following demolition of existing garage.

    25 WALTHAM AVENUE HAYES

    Received 12 Feb 2025
  3. Approval74750/APP/2025/1415

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

    17 WOODVILLE GARDENS RUISLIP HA4 7NB

    Received 20 May 2025
  4. Approval77113/APP/2022/1574

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

    42 PINN WAY RUISLIP HA4 7QF

    Received 16 May 2022
  5. Approval22899/APP/2023/2219

    Part-retrospective provision of one portacabin with paint-finished timber cladding to provide a ticket office and community space.

    HARROW & WEMBLEY SOCIETY MODEL ENGINEERS, ROXBOURNE PARK FIELD END ROAD EASTCOTE

    Received 25 Jul 2023
  6. Approval75111/APP/2022/2565

    Details pursuant to the partial discharge of Condition 8 part (a) (Materials) with respect to the Data Centre as attached to planning permission ref. 75111/APP/2020/1955 dated 15.04.2021 (Site clearance and preparation, including the demolition of remaining buildings, and the redevelopment of the site to provide: a new data centre (Use Class B8), two MV Energy Centres (including stand-by generation plant and gas storage), a HV Sub-Station, a visitor reception centre, plant, the creation of a new footpath and cycleway link to the canal towpath, works to the highway, car parking, cycle parking, associated infrastructure, enclosures and necessary physical security systems, hard and soft landscaping (including works to the River Crane) and ancillary uses, as well as associated external works).

    Land at Bulls Bridge Industrial Estate NORTH HYDE GARDENS HAYES UB3 4QQ

    Received 15 Aug 2022
  7. Approval24223/APP/2022/2198

    Erection of single storey conservatory extension to rear (Application for a Certificate of Lawful Development for a Existing Development)

    11 SHEPISTON LANE HAYES

    Received 8 Jul 2022
  8. Refusal (Appealed)5516/APP/2025/3218

    Change of use from a 6-person House in Multiple Occupation (Class C4) to a 7-person House in Multiple Occupation (Sui Generis) (Application for a Certificate of Lawful Development for a Proposed Use).

    14 WILLOW TREE LANE HAYES

    Received 19 Dec 2025
  9. Approval1155/APP/2021/1863

    Detached outbuilding to rear for use as home office/gym involving removal of existing shed (Application for Lawful Development Certificate for Proposed Use)

    88 EASTCOTE ROAD RUISLIP

    Received 10 May 2021
  10. Refusal (Appealed)58370/APP/2025/649

    Conversion of roof space to habitable use, including the construction of a rear dormer, installation of two front roof lights, and conversion of roof from hip to gable end with new gable end window

    26 MOUNT PLEASANT RUISLIP

    Received 7 Mar 2025
  11. Approval4965/TRE/2021/180

    To carry out tree surgery including a crown lift to 4m and tip reduce lateral branches to one Redwood T1 on TPO 334

    TUDOR LODGE 8 MURRAY ROAD NORTHWOOD HA6 2YJ

    Received 6 Jul 2021
  12. Approval61484/APP/2025/1733

    Erection of outbuilding (amended drawings)

    12 HAIG ROAD HILLINGDON

    Received 22 Jun 2025
  13. Refusal33873/APP/2022/538

    Demolition of existing side extension and erection of a part ground, part first floor and part roof extension.

    9 MYRTLE CLOSE HILLINGDON

    Received 18 Feb 2022
  14. Approval62748/APP/2021/2620

    Conversion of roof space to habitable use to include a rear dormer, 2 front and 1 side rooflights and conversion of roof from hip to gable end with new gable end window, insertion of window to front gable, front porch and removal of existing chimney stacks (Application for a Certificate of Lawful Development for a Proposed Development)

    58 MERTON AVENUE HILLINGDON MIDDX UB10 9DL

    Received 1 Jul 2021
  15. Prior Approval N/Req76586/APP/2021/2723

    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 2.75 metres, and for which the height of the eaves would be 2.75 metres

    21 ELM AVENUE EASTCOTE HA4 8PE

    Received 11 Jul 2021
  16. Approval27680/APP/2024/3004

    Conversion of roof space to habitable use to include a rear dormer and 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)

    236 BOTWELL LANE HAYES

    Received 13 Nov 2024
  17. Approval6985/APP/2025/1496

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

    100 WEST END ROAD RUISLIP

    Received 29 May 2025
  18. Approval23803/APP/2024/1755

    Erection of a single storey extension to the side, following the conversion of integral garage to habitable accommodation, and amendments to fenestrations.

    59 PEMBROKE ROAD RUISLIP

    Received 3 Jul 2024
  19. Refusal (Appealed)32287/APP/2022/2394

    Erection of single storey extension to front, side and rear following demolition of existing garage

    13 RUSHDENE ROAD EASTCOTE PINNER

    Received 27 Jul 2022
  20. Approval26960/APP/2024/239

    Erection of a double storey extension to the side and rear of the dwelling and a single storey front extension, including front porch. Conversion of roof space to habitable use to include raising of the ridge line, two rear dormers and four rear facing roof lights. Erection of a single storey outbuilding following demolition of existing garage and patio/steps

    3 NICHOLAS WAY NORTHWOOD

    Received 30 Jan 2024
  21. Approval14486/APP/2024/409

    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 3.21 metres, and for which the height of the eaves would be 2.96 metres

    130 STATION ROAD WEST DRAYTON

    Received 16 Feb 2024
  22. Approval18518/APP/2024/2836

    Erection of a single storey side and rear extension together with external rear patio and steps.

    8 LINCOLN ROAD NORTHWOOD

    Received 25 Oct 2024
  23. Approval74659/APP/2023/341

    Conversion of roof space to habitable use to include a rear dormer with 3 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)

    24 BROWNGRAVES ROAD HARLINGTON UB3 5BN

    Received 6 Feb 2023
  24. Approval48054/APP/2023/459

    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)

    4 BRANDVILLE ROAD WEST DRAYTON

    Received 20 Feb 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

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

  • 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.

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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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    Published Updated

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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