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
30,399Searchable applications
509Recorded as pending
78%Approval rate · 28,365 approved or refused records
6,180Refused applications

22,185 approved · 6,180 refused · 1,091 withdrawn. Received dates in our records: 11 Jun 2012 to 9 Oct 2026. Most recent record check: 18 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 Counts reflect the last collected status; some records may be out of date.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. Approval78275/APP/2024/3360

    Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 3 front roof lights, erection of a single storey rear extension and a front porch.

    26 FERNDOWN NORTHWOOD HA6 1PH

    Received 24 Dec 2024
  2. Approval31572/APP/2020/133

    Details pursuant to Condition 20 (Low Emission Strategy) of planning permission ref: 31572/APP/2017/4624 dated 13/12/2018 (Erection of 6 x 3-bed/5-person houses and 4 x 4-bedroom/6-person houses, involving demolition of vacant depot building.)

    WILLOW TREE DEPOT DITCHFIELD ROAD HAYES UB4 9BH

    Received 15 Jan 2020
  3. Approval69156/APP/2019/155

    Single storey front/side extension

    21 DEANE CROFT ROAD EASTCOTE PINNER HA5 1SS

    Received 15 Jan 2019
  4. Refusal60349/APP/2025/242

    Erection of outbuilding to rear garden, porch, conversion of roofspace to habitable use including a rear dormer with a juliette balcony, 2 front rooflights and a conversion from hip to gable end roof with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)

    34 HERCIES ROAD HILLINGDON MIDDLESEX UB10 9NA

    Received 3 Feb 2025
  5. Refusal76981/APP/2023/1033

    Conversion of agricultural building to one dwelling house with associated building operations including new windows, doors and roof lights (Application for Prior Approval under Schedule 2, Part 3, Class Q of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended)).

    Townend Farm HILL END ROAD HAREFIELD UB9 6LH

    Received 6 Apr 2023
  6. Withdrawn (P)65236/APP/2024/3085

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

    59 THE BRAMBLES WEST DRAYTON

    Received 25 Nov 2024
  7. Refusal39003/TRE/2025/130

    To remove One willow T70 TPO 152.

    21 KIRBY CLOSE NORTHWOOD

    Received 13 May 2025
  8. Approval72105/APP/2021/4062

    Details pursuant to the discharge of Conditions 4 (Landscape Scheme) and 8 (Step Free Access) of planning permission ref. 72105/APP/2021/1534, dated 22/06/21 (Erection of a two storey building to create a 4-bedroom dwelling house with accommodation in the loft, associated parking and amenity space).

    LAND ADJOINING 1/3 BOTWELL CRESCENT HAYES UB3 2BD

    Received 2 Nov 2021
  9. Approval22051/APP/2019/495

    Single storey side extension (Application for a Certificate of Lawful Development for a Proposed Development)

    24 GLEBE AVENUE RUISLIP

    Received 11 Feb 2019
  10. Approval58925/APP/2019/2673

    Single storey rear extension

    6 SELAN GARDENS HAYES

    Received 9 Aug 2019
  11. Approval73334/APP/2019/2918

    Details pursuant to condition 4.2.c (means of enclosure/boundary treatments) of planning permission ref: 73334/APP/2018/969, dated 03-10-18 (Demolition of existing multi-storey car park, followed by erection of four-storey warehouse facility with ancillary offices, and associated works including parking, service area, landscaping and relocation of substation).

    EXISTING MULTI-STOREY CAR PARK, WARNFORD INDUSTRIAL ESTATE CLAYTON ROAD HAYES UB3 1BQ

    Received 2 Sept 2019
  12. Approval77784/APP/2023/90

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

    21 EVERSLEY CRESCENT RUISLIP HA4 6DD

    Received 11 Jan 2023
  13. Approval14387/APP/2023/2594

    Erection of a two storey side/rear extension to provide an extended dining area at ground floor and 8 no. guest rooms at first floor, adding a guest house use to the existing public house restaurant to create a mixed use Sui Generis with associated works and landscaping (Application for planning permission)

    THE SIX BELLS PH DUCKS HILL ROAD RUISLIP

    Received 4 Sept 2023
  14. Approval66775/APP/2025/1717

    Removal of chimney, conversion of roof space to habitable use to include a rear dormer and 3 x front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)

    80 CASTLETON ROAD RUISLIP

    Received 19 Jun 2025
  15. Refusal1644/APP/2020/3642

    Application for a non-material amendment to planning permission Ref: 1644/APP/2020/1061 dated 07/07/2020 (Part change of use of ground floor to financial and professional services use (Use Class A2) and part change of use to create 1 x 1 bed self contained flat involving two storey extension to first and second floors) to allow for amendments to location of bin/bike store to rear and removal of west facing window and garage door to be replaced with brick work

    BOTWELLEARS HOUSE, REAR OF 25 BOTWELL LANE HAYES UB3 2AB

    Received 2 Nov 2020
  16. Withdrawn (P)1331/APP/2020/4157

    Details pursuant to the partial discharge of Condition 48 (Temporary works to the existing roof 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 15 Dec 2020
  17. Approval40050/APP/2026/221

    Details pursuant to the partial discharge of Condition 13 (part i (a) only - Contamination) of prior approval reference 40050/APP/2025/1876, dated 10-10-2025, for 'Change of use from Commercial (Use Class E) to Residential (Use Class C3) to create 56 dwellings (Application for Prior Approval under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended)).

    Riverview OXFORD ROAD UXBRIDGE UB8 1HS

    Received 26 Jan 2026
  18. Refusal79879/APP/2026/154

    Erection of a part single part two storey rear extension

    21 NORTH AVENUE HAYES UB3 2JE

    Received 19 Jan 2026
  19. Approval76151/APP/2021/154

    Single storey side/rear extension including demolition of existing garage

    38 MAPLE ROAD HAYES

    Received 14 Jan 2021
  20. Approval13899/APP/2020/709

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

    1 BLACK ROD CLOSE HAYES

    Received 2 Mar 2020
  21. Refusal29550/APP/2022/336

    Erection of a part single storey, part double storey rear extension. Conversion of roofspace (at first floor level) to habitable use.

    1 KINGS CLOSE NORTHWOOD

    Received 4 Feb 2022
  22. Approval79514/APP/2025/1534

    Conversion of roof space to habitable use to include a rear dormer and 2 no. front roof lights. Conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development).

    29 NEW PEACHEY LANE COWLEY UB8 3SX

    Received 1 Jun 2025
  23. Refusal72105/APP/2020/145

    Erection of a two storey building to create 2 x 1 bedroom self-contained flats with associated parking and amenity space

    LAND ADJOINING 1/3 BOTWELL CRESCENT HAYES UB3 2BD

    Received 15 Jan 2020
  24. Approval22607/APP/2021/985

    Conversion of roofspace to habitable use to include a rear dormer, 2 x side rooflights and raising of roof, with 2 x gable end widnows.

    35 BROADWOOD AVENUE RUISLIP

    Received 12 Mar 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

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.

  • 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