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
26,204Searchable applications
441Recorded as pending
79%Approval rate · 24,397 approved or refused records
5,070Refused applications

19,327 approved · 5,070 refused · 999 withdrawn. Received dates in our records: 11 Nov 2019 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 Counts reflect the last collected status; some records may be out of date.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. Refusal (Appealed)65930/APP/2020/1831

    Installation of 20m monopole, 12 antenna apertures, 8 equipment cabinets and development ancillary thereto (Application under Part 16 of Schedule 2 to the Town and Country Planning (General Permitted Development) Order 2015 for determination as to whether prior approval is required for siting and appearance)

    HIGHWAY VERGE NEAR JCT OF BREAKSPEAR ROAD & FINE BUSH LANE BREAKSPEAR ROAD RUISLIP

    Received 16 Jun 2020
  2. Prior Approval N/Req25314/APP/2021/3679

    Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.0 metres, for which the maximum height would be 3.0 metres and for which the height of the eaves would be 3.0 metres.

    42 PARKFIELD AVENUE HILLINGDON

    Received 1 Oct 2021
  3. Approval49662/APP/2021/715

    Conversion of garage to habitable use with alterations to front elevation, single storey rear extension and change of roof of existing side extension from flat to pitched

    17 RAISINS HILL EASTCOTE PINNER

    Received 23 Feb 2021
  4. Refusal35002/APP/2019/4039

    First floor rear extension, conversion of garage to a garden room and demolition of existing timber shed

    12 WEST DRAYTON PARK AVENUE WEST DRAYTON

    Received 14 Dec 2019
  5. Refusal41748/TRE/2026/58

    TPO 277 T19 1x Oak to fell.

    48 BROADWOOD AVENUE RUISLIP

    Received 6 Mar 2026
  6. Approval41063/APP/2025/1238

    Erection of a single storey side extension, a front porch, and Conversion of roof space to habitable use to include a rear dormer with juliette balcony and 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)

    24 FRAYS WAYE UXBRIDGE

    Received 1 May 2025
  7. Approval20350/APP/2023/432

    Demolition of existing dwelling and erection of a replacement dwelling to form a new 4-bedroom house

    TIMBERS, NORTHGATE NORTHWOOD

    Received 15 Feb 2023
  8. Approval77490/APP/2025/2532

    Non-material amendment to planning permission ref. 77490/APP/2022/2602, dated 13-10-2022 (Replacement of existing front fence with a brick wall; including gate; front porch extension and single storey rear extension (with rear decking)) to raise the ridge height of the proposed rear extension.

    15 ROSEDALE AVENUE HAYES

    Received 30 Sept 2025
  9. Undecided829/APP/2023/312

    Redevelopment of the site to accommodate a 7-storey 108-room hotel incorporating communal functions on the ground floor level and a basement level with associated parking and external landscaping works including coach parking, servicing areas, and planting.

    560 SIPSON ROAD WEST DRAYTON

    Received 1 Feb 2023
  10. Refusal78540/APP/2025/1681

    Non-material amendment to planning permission ref. 78540/APP/2024/229, dated 17-05-2024 (Demolition of existing dwelling and garage. Erection of a 4-bedroom 8 x persons dwelling.) to [Alterations to elevations and amendments to fenestrations]

    22 PARK ROAD HAYES UB4 8JN

    Received 17 Jun 2025
  11. Approval36191/APP/2019/3735

    Conversion of roofspace to habitable use to include a rear dormer, 3 front rooflights and conversion of roof from hip to gable end, with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)

    13 GORDON ROAD YIEWSLEY

    Received 19 Nov 2019
  12. Approval53516/TRE/2022/218

    To carry out tree surgery including to crown lift to 5.5m Two Western Red Cedar within Group 5 on TPO 124

    125 KNOLL CRESCENT NORTHWOOD

    Received 17 Oct 2022
  13. Approval17938/APP/2023/2375

    Conversion of the existing house to 2 flats

    49 KEATS WAY WEST DRAYTON

    Received 9 Aug 2023
  14. Approval12013/APP/2021/2014

    Two storey side extension

    1A PINKWELL LANE HAYES

    Received 18 May 2021
  15. Refusal35665/APP/2024/2087

    Erection of a part single, part double storey rear extension, conversion of garage to habitable space, alterations to roof form including a hip to gable extension, rear dormer and rooflights to facilitate the conversion of dwelling to 2 flats (1x2 bed and 1x3 bed). (amended description)

    105 HAYES END ROAD HAYES

    Received 2 Aug 2024
  16. Approval21755/APP/2025/2430

    Non-Material Amendment to prior approval permission reference 21755/APP/2024/3295 dated 14.03.2025 to allow for changes to the approved internal layout, the addition of aluminium panels and ventilation louvres between ribbon windows, changes to fenestration design and addition of railings to the roof of the building.

    Junction House 4-10 COWLEY ROAD UXBRIDGE UB8 2XW

    Received 17 Sept 2025
  17. Approval1661/APP/2020/1464

    Part two storey, part single storey rear extension, conversion of basement to habitable use and conversion of 1 x 4 bed dwelling to 1 x 1-bed and 1 x 2-bed dwellings with associated parking and amenity space

    63 HARLINGTON ROAD HILLINGDON

    Received 7 May 2020
  18. Approval76828/APP/2021/3937

    Conversion of roof space to habitable use to include a rear dormer with a Juliette balcony, 3 front roof lights, conversion of roof from hip to gable end and erection of a front porch (Application for a Certificate of Lawful Development for a Proposed Development)

    9 WINDSOR AVENUE HILLINGDON UB10 9A

    Received 22 Oct 2021
  19. Approval23271/APP/2024/2055

    Variation of Condition 2 (Accordance with approved plans) of planning permission ref. 23271/APP/2022/3606, dated 23-02-2023 for the "Erection of a two storey front extension, two storey front/side extension, part two storey, part single storey rear extension and conversion of roof space to habitable use to include a rear dormer, 4 front roof lights and extensions and alterations to existing roof involving alterations to all elevations" involving minor amendments to the front porch and front elevation.

    8 WARREN ROAD ICKENHAM

    Received 31 Jul 2024
  20. Approval24597/APP/2021/3412

    Variation of Condition 2 (Accordance with Approved Plans) and 3 (Materials submission) of planning permission ref. 24597/APP/2019/2757 dated 21 August 2020 (Erection of double storey glazed gable entrance to front elevation) to reduce size and agree proposed materials.

    WATERCRESS BEDS SPRINGWELL LANE HAREFIELD WD3 8UX

    Received 8 Sept 2021
  21. Approval40879/APP/2020/1015

    Details pursuant to condition 6 (Construction Method Statement) of planning permission Ref: 40879/APP/2019/3800 Dated 20/01/2020 (Two storey side extension and single storey rear extension)

    10 CULLERA CLOSE NORTHWOOD

    Received 24 Mar 2020
  22. Approval75542/APP/2022/228

    Non-Material Amendment to planning permission ref. 75542/APP/2020/1288, dated 01/07/2020 (single storey side extension) to install a front window instead of garage door.

    85A LARCH CRESCENT HAYES

    Received 25 Jan 2022
  23. Approval17621/APP/2025/1180

    Erection of a single storey rear infill extension.

    1 BURWOOD AVENUE EASTCOTE

    Received 28 Apr 2025
  24. Approval54993/APP/2024/3368

    Change of use from a dwellinghouse (Use Class C3) to a House in Multiple Occupation (HMO) (Use Class C4) for up to 6 people. (Application for a Certificate of Lawful Development for a Proposed Development).

    3 SEVENTH AVENUE HAYES

    Received 27 Dec 2024

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.

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