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
24,606Searchable applications
442Recorded as pending
80%Approval rate · 22,874 approved or refused records
4,624Refused applications

18,250 approved · 4,624 refused · 950 withdrawn. Received dates in our records: 30 Mar 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 Counts reflect the last collected status; some records may be out of date.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. Refusal44740/APP/2021/89

    Conversion of roofspace to habitable use to include a rear dormer, 3 x front rooflights and conversion of roof from hip to gable end with porch to front.

    57 BEDFORD AVENUE HAYES

    Received 11 Jan 2021
  2. Approval78424/APP/2024/524

    Erection of an additional storey with new roof and single storey extension to the rear following the demolition of the existing conservatory. Alterations to front gables with amendments to fenestrations.

    60 MARLBOROUGH AVENUE RUISLIP HA4 7NP

    Received 29 Feb 2024
  3. Withdrawn (P)28519/APP/2022/1668

    Demolition of existing dwelling and erection of new building to include 3 flats (part retrospective)

    12 CHERRY ORCHARD WEST DRAYTON

    Received 23 May 2022
  4. Approval25446/APP/2022/2622

    Erection of a single storey extension to the rear

    9 GRANGE CLOSE HAYES

    Received 19 Aug 2022
  5. Approval1331/APP/2020/2945

    Details pursuant to the partial discharge of partial Condition 56 (Validation of Soils - Block G only) as attached to planning permission ref. 1331/APP/2019/1666 dated 11/09/2020 (Section 73 application to vary Condition 9 (Residential Condition - Approved Plans) of planning permission ref: 1331/APP/2017/1883 dated 28/06/2018 (Part demolition of existing factory buildings and associated structures,and redevelopment to provide residential dwellings (Use Class C3), office, retail, community and leisure uses (Use Class A1/A3/A4/B1/B8/D1/D2), commercial floorspace (Use Classes B1c/B2/B8) and Data Centre (Sui Generis), amenity and playspace, landscaping, allotments, access, service yards, associated car parking and other engineering works) (as amended by application ref: 1331/APP/2020/50 dated 06/02/20))

    FORMER NESTLE FACTORY NESTLES AVENUE HAYES

    Received 16 Sept 2020
  6. Approval70290/APP/2025/1509

    Addition of pitched roof to existing outbuilding in rear garden.

    24 SHEPISTON LANE HAYES UB3 1LW

    Received 30 May 2025
  7. Undecided7761/APP/2026/1397

    Erection of a part single part two storey side and rear extension, conversion of roof space including rear dormer and 1no. front facing roof lights, following the demolition of the existing side and rear extensions.

    55 LONG DRIVE RUISLIP

    Received 5 Jun 2026
  8. Approval25794/APP/2026/667

    Erection of side dormer

    UNA COTTAGE CUCKOO HILL EASTCOTE

    Received 16 Mar 2026
  9. Approval57764/APP/2022/2441

    Erection of a single storey extension to the rear following demolition of existing conservatory

    47 PARKFIELD AVENUE HILLINGDON MIDDLESEX

    Received 1 Aug 2022
  10. Approval66262/APP/2021/172

    Conversion of external store at front to WC involving an increase in the height of the flat roof and addition of window to first floor front elevation

    43 SAUNDERS ROAD HILLINGDON MIDDLESEX UB10 ORL

    Received 14 Jan 2021
  11. Refusal (Appealed)79051/APP/2024/2554

    Erection of a single storey rear and side wraparound extension, Erection of first floor rear and side extensions with crown roof. Conversion of existing garage to habitable use and creation of a new garage space. Installation of a first floor front bay window. Erection of an extension to existing porch.

    43 THE AVENUE ICKENHAM UB10 8NR

    Received 23 Sept 2024
  12. Approval71582/APP/2021/549

    Details pursuant to Conditions 10iii (Contamination verification report) and 10iv (Contamination imported soils testing) of planning permission ref: 71582/APP/2016/4582, dated 31-08-17 (Demolition of existing buildings and redevelopment to provide 86 residential units in three buildings of 4-6 storeys with private balconies together with one three-bed dwelling, Class A1/A2 of A3 unit, associated car parking at basement and surface level, cycle parking, communal amenity areas, landscaping, improved access and relocated sub-station).

    LAND TO THE REAR OF 2-24 HORTON ROAD YIEWSLEY UB7 8EP

    Received 11 Feb 2021
  13. Approval10105/APP/2021/235

    Section 96a (Non-Material Amendment) application seeking amendments to Condition 2 (Approved Plans) of ref: 10105/APP/2018/181 (06-04-2018) for the installation of replacement lattice stub tower supporting headframe supporting 9No.antennas and transmission dish and ancillary appartus, removal of 2No. pole mounted antennas all on rooftop of building, and installation of ground based equipment cabinets(removal of existing redundant cabinet) and ancillary apparatus; namely to change the approved stub tower and support poles, existing and new antenna are to be located and relocated onto the new stub tower, and ground based equipment and cabinets is to be reduced in number.

    RUISLIP TELEPHONE EXCHANGE HIGH STREET RUISLIP

    Received 20 Jan 2021
  14. Refusal78584/TRE/2024/40

    To carry out tree surgery including a crown reduction by 2m to Two Beech T101, T114, Two Cherry T106, T109 and Five Maples T107, T110, T111, T112, T113 all on TPO 360 (trees 1,2,3,4,5,6,7,8,and 9 various species on application)

    NEWCOURT COWLEY NEW COU

    Received 16 Feb 2024
  15. Approval77604/APP/2023/1039

    Conversion of roof space to habitable use to include a rear dormer roof extension and 3 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development).

    39 WINCHESTER ROAD NORTHWOOD HA6 1JG

    Received 6 Apr 2023
  16. Refusal8839/APP/2021/1191

    Hip to gable extension towards the front including new front window; raising of the ridge height and overall dwelling towards the side of the garage; side dormer roof extension including new rooflight; demolition of existing rear conservatory; removal of chimney; relocation of side rooflights (including removal); replacement side and rear windows/doors and new roof to existing front bay window.

    47 GREENACRES AVENUE ICKENHAM

    Received 25 Mar 2021
  17. Refusal76957/APP/2021/4654

    Conversion of roof space to habitable use to include conversion of roof from hip to gable end with Juliette balcony, roof canopy over the existing patio, 6 x rooflights and ground floor interior alterations

    64 RODNEY GARDENS EASTCOTE HA5 2RP

    Received 29 Dec 2021
  18. Approval40711/APP/2020/3985

    Details pursuant to condition 3 (Demolition and Construction Plan) of Planning Permission Ref: 50068/APP/2017/2063 dated 21/10/2019 (Two storey building with habitable roof space to provide 4 x 2-bed and 2 x 3 bed self contained flats with associated parking and amenity space, involving demolition of existing chalet bungalow)

    27 DUCKS HILL ROAD NORTHWOOD

    Received 2 Dec 2020
  19. Refusal75995/APP/2022/3082

    Erection of a single storey rear outbuilding

    53 LOTHIAN AVENUE HAYES UB4 0EG

    Received 10 Oct 2022
  20. Approval75995/APP/2022/2950

    Part two storey, part single storey rear extension.

    53 LOTHIAN AVENUE HAYES UB4 0EG

    Received 26 Sept 2022
  21. Approval643/APP/2025/2809

    Addition of an ancillary workshop and associated infrastructure for the maintenance of waste collection vehicles.

    SUEZ Waste Transfer Station - land to south of RIGBY LANE HAYES

    Received 5 Nov 2025
  22. Approval68627/TRE/2024/140

    To carry out tree surgery including a reduction of selective branches by 1.5-2m (see applicant's photo for indicated branches) to One Oak T1 on TPO 377

    138 NORTHWOOD ROAD HAREFIELD MIDDLESEX UB9 6PS

    Received 6 Aug 2024
  23. Approval80027/APP/2026/975

    Conversion of roof space to habitable use to include hip to gable extension, rear dormer, and erection of rear extension and outbuilding to the rear garden, following demolition of existing chimney, rear conservatory and outbuilding (Application for a Certificate of Lawful Development for a Proposed Development)

    13 ALMOND CLOSE HAYES UB3 1JQ

    Received 17 Apr 2026
  24. Approval21862/APP/2022/1979

    Raising of ridge height and installation of a rear dormer and 4 rooflights to create additional habitable roofspace, conversion of flat roof over existing rear extension to pitched, raising of garage roof and conversion of garage to habitable use to include alterations to front, side and rear elevations.

    7 HILLSIDE CRESCENT NORTHWOOD

    Received 21 Jun 2022

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