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
25,793Searchable applications
441Recorded as pending
79%Approval rate · 24,007 approved or refused records
4,960Refused applications

19,047 approved · 4,960 refused · 987 withdrawn. Received dates in our records: 16 Dec 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 Counts reflect the last collected status; some records may be out of date.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. Refusal42799/TRE/2023/79

    To carry out tree surgery to one Hornbeam - Reduce by 4 metres - T13 - TPO 295.

    38 PARK AVENUE RUISLIP

    Received 13 Apr 2023
  2. Approval38127/APP/2024/2648

    Erection of a single storey rear extension, part double storey side/rear extension, ramped access to the dwelling with internal alterations (revised location plan)

    26 FINIANS CLOSE HILLINGDON

    Received 3 Oct 2024
  3. Withdrawn (P)51439/APP/2023/1001

    Erection of front porch and installation of Electric Vehicle Charging Point (Application for a Certificate of Lawful Development for a Proposed Development)

    78 DICKENS AVENUE HILLINGDON

    Received 4 Apr 2023
  4. Approval23587/APP/2022/1315

    Conversion of roof space to habitable use to include a hip to gable extension, rear dormer, juliet balcony and rooflights. Alterations to existing ground floor fenestration including new windows and doors (Application for a Certificate of Lawful Development for a Proposed Development)

    31 BROADHURST GARDENS RUISLIP

    Received 22 Apr 2022
  5. Approval74564/TRE/2024/240

    G4 2 Willows. Would like to Re-Pollard to previous or suitable points removing up to 1.5m of new growth T30 1 Chestnut like to crown reduce to previous or suitable points removing up to 1.5-2m of new growth T33 1 Lime Would like to crown reduce to previous or suitable points removing up to 2.5m of new growth All located on TPO 329.

    Street Record Heathcote way West Drayton UB7 7RD

    Received 17 Nov 2024
  6. Prior Approval N/Req76169/APP/2021/274

    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 3.25 metres and for which the height of the eaves would be 3 metres

    83 GROSVENOR AVENUE HAYES

    Received 22 Jan 2021
  7. Prior Approval N/Req52724/APP/2020/3412

    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 3.96 metres, and for which the height of the eaves would be 2.8 metres.

    113 MINTERNE WAYE HAYES

    Received 20 Oct 2020
  8. Refusal9443/APP/2022/3530

    Erection of a part single storey, part double storey rear/side extension, raising of boundary wall and addition of Velux windows

    THE OLD STABLES 77 PARK LANE HAREFIELD

    Received 18 Nov 2022
  9. Approval32382/APP/2022/3865

    Erection of single storey front porch (Application for a Certificate of Lawful Development for a Proposed Development)

    17 DARTMOUTH ROAD RUISLIP

    Received 21 Dec 2022
  10. Refusal (Appealed)9383/APP/2023/477

    Erection of a first floor side extension. Single storey rear extension. Infill of gap between house and garage (retrospective)

    1 CHILTERN ROAD EASTCOTE

    Received 20 Feb 2023
  11. Refusal19016/APP/2022/1277

    Demolition of existing dwelling and erection of 5 x self-contained units, including 2 x 1-bed units and 3 x 2-bed units together with associated landscaping, parking, refuse and recycling

    18 IVER LANE COWLEY UXBRIDGE

    Received 25 Apr 2022
  12. Refusal17280/APP/2020/3870

    Single storey rear extension

    9 MILL AVENUE UXBRIDGE

    Received 23 Nov 2020
  13. Approval2631/APP/2023/2621

    Conversion of roof space to habitable use to include a rear dormer with 3 front roof lights. Erection of a front porch and outbuilding to rear garden(Application for a Certificate of Lawful Development for a Proposed Development)

    13 APPLEDORE AVENUE RUISLIP

    Received 6 Sept 2023
  14. Approval74869/APP/2022/3099

    Erection of single storey rear extension and front porch

    89 GLEBE AVENUE ICKENHAM

    Received 10 Oct 2022
  15. Approval15086/APP/2024/2415

    Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 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)

    51 LOWLANDS ROAD EASTCOTE PINNER

    Received 9 Sept 2024
  16. Approval48291/APP/2026/1044

    Erection of two single storey side and rear extensions, and installation of a first floor window to the front elevation. (Description Amended)

    BRAESIDE CATLINS LANE PINNER

    Received 27 Apr 2026
  17. Approval31120/APP/2023/919

    Erection of a single storey rear extension following the demolition of existing garage and outrigger extension with amendments to fenestration

    147 HERLWYN AVENUE RUISLIP

    Received 28 Mar 2023
  18. Withdrawn (P)45882/APP/2020/922

    Part two storey, part single storey rear extension and conversion of roof space to habitable use to include 3 x rear dormers and 2 x front roof lights, involving raising of ridge height, to allow for conversion of dwelling into 1 x studio, 1 x 1-bed, 2 x 2-bed and 1 x 3-bed self contained flats, with associated parking and amenity space

    143 HERCIES ROAD HILLINGDON

    Received 16 Mar 2020
  19. Approval13746/APP/2026/801

    Non-material amendment to planning permission ref. 13746/APP/2014/845 (appeal ref. APP/R5510/D/14/222000, dated 19-09-2014) (Part two storey, part single storey side/rear extension, single storey front extension and porch to front involving demolition of existing side element) to alter approved plans to include 6 Velux windows.

    61 WARREN ROAD ICKENHAM

    Received 27 Mar 2026
  20. Approval73955/APP/2022/3516

    Application for a Non-Material Amendment to planning permission reference 73955/APP/2021/3362 dated 20-01-2022 for 'Section 73 application to vary Conditions 2 and 3 of application reference 73955/APP/2020/139 (Demolition of existing buildings for residential-led mixed use development comprising buildings between 3 and 11 storeys to provide residential units (Use Class C3) and ground floor employment floorspace (Use Class B1) with associated access and car and cycle parking, landscape and amenity areas and associated servicing) to link internal corridors, relocate the consented gym use, relocate a duplex unit, change duplex units to single level, amend the refuse strategy and amend the layout of the car park and cycle stores' to amend the trigger point of Condition 36.

    CROWN TRADING CENTRE CLAYTON ROAD HAYES HILLINGDON UB3 1DU

    Received 17 Nov 2022
  21. Approval75111/APP/2022/2096

    Details pursuant to the partial discharge of Condition 9 (Landscape Scheme - Substation Plot Only) 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 1 Jul 2022
  22. Refusal73970/APP/2020/1581

    Part two storey, part single storey rear extension and conversion of roof space to habitable use to include a rear dormer, conversion of roof from hip to gable end with a new gable end window and conversion from 2 x 2-bed flats to 3 x studio flats and 1 x 1-bed self contained flat

    10A & 10B ALANDALE DRIVE PINNER HA5 3UT

    Received 21 May 2020
  23. Approval40143/APP/2020/185

    Installation of an ATM (Retrospective)

    114/116 AYLSHAM DRIVE ICKENHAM

    Received 20 Jan 2020
  24. Approval2317/APP/2024/1257

    Erection of a single storey side extension. Erection of a front porch (Application for a Certificate of Lawful Development for a Proposed Development).

    1 THORNHILL ROAD ICKENHAM

    Received 11 May 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

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