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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
26,015Searchable applications
441Recorded as pending
79%Approval rate · 24,218 approved or refused records
5,019Refused applications

19,199 approved · 5,019 refused · 994 withdrawn. Received dates in our records: 28 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 Counts reflect the last collected status; some records may be out of date.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
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. Approval77233/APP/2022/1699

    Erection of a part single, part double storey rear extension with roof lights

    50 DELLFIELD CRESCENT COWLEY UB8 2EU

    Received 25 May 2022
  2. Approval76440/APP/2021/4404

    Proposed part double, part single storey rear extension, single storey side and front extensions and alterations to elevations of the property.

    4 BEACON CLOSE UXBRIDGE UB8 1PX

    Received 2 Dec 2021
  3. Approval75960/APP/2024/2385

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

    70 HATCH LANE HARMONDSWORTH UB7 0BA

    Received 3 Sept 2024
  4. Prior Approval N/Req12685/APP/2020/2373

    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 3.8 metres, and for which the height of the eaves would be 2.7 metres

    19 DRAYTON GARDENS WEST DRAYTON

    Received 31 Jul 2020
  5. Approval16578/APP/2025/2405

    Erection of a single storey rear outbuilding for use as gym and store (Application for a Certificate of Lawful Development for a Proposed Development).

    66 ASHFORD AVENUE HAYES

    Received 15 Sept 2025
  6. Refusal (Appealed)17587/APP/2020/643

    Single storey rear extension

    28 BOTWELL LANE HAYES

    Received 24 Feb 2020
  7. Approval44740/APP/2021/1005

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

    57 BEDFORD AVENUE HAYES

    Received 15 Mar 2021
  8. Refusal66522/TRE/2020/149

    To carry out tree surgery including, pruning back to the boundary line branches overhanging 15 Kewferry Road, One Holly, T40 and One Willow, T41, on TPO 118.

    17 KEWFERRY ROAD NORTHWOOD

    Received 2 Jul 2020
  9. Approval9557/APP/2020/3851

    Single storey side/rear extension including demolition of existing side extension and conservatory

    75 COLLINS DRIVE RUISLIP

    Received 23 Nov 2020
  10. Prior Approval N/Req79521/APP/2025/1553

    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 3.60 metres, and for which the height of the eaves would be 2.90 metres

    31 CHERRY LANE WEST DRAYTON UB7 9HB

    Received 3 Jun 2025
  11. Approval43500/APP/2026/1670

    Proposed alterations to main roof to include a double hip to gable end

    26 GLENALLA ROAD RUISLIP

    Received 3 Jul 2026
  12. Approval43954/APP/2024/3330

    Erection of a first floor rear extension.

    4 CHAUCER AVENUE HAYES

    Received 20 Dec 2024
  13. Approval443/APP/2025/2860

    Use of the existing residential property C3(a) as a small childrens home for a single child.(Application for a Certificate of Lawful Development for a Proposed Development)

    11 REPTON AVENUE HAYES

    Received 13 Nov 2025
  14. Approval47836/APP/2023/2992

    Erection of outbuilding to rear garden following demolition of existing shed (Application for a Certificate of Lawful Development for a Proposed Development)

    19 WHEATLEY CRESCENT HAYES

    Received 15 Oct 2023
  15. Undecided (On Hold)25093/APP/2025/3082

    Change of use from Class C3 (Dwellinghouse) to Class C4 (small HMO) for up to 5 persons. (Application for a Certificate of Lawful Development for a Proposed Development)

    4 SUTHERLAND AVENUE HAYES

    Received 8 Dec 2025
  16. Approval24948/APP/2021/1768

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

    11 GLAMIS CRESCENT HAYES

    Received 4 May 2021
  17. Approval11788/APP/2020/2608

    Application for a non-material amendment to planning permission Ref: 11788/APP/2019/904 dated 16/10/2019 (Part two storey, part single storey front/side extension, part two storey, part single storey rear extension and single storey front/side extension involving raising of roof) to allow for enlargement of the rooflight window to the rear of the extension and a new front roof light

    76 PARK AVENUE RUISLIP

    Received 19 Aug 2020
  18. Refusal50552/APP/2021/3418

    Two-storey side extension and two-storey rear extension.

    117 BELMONT ROAD UXBRIDGE

    Received 9 Sept 2021
  19. Approval23681/APP/2023/2421

    Conversion of detached garage to habitable accommodation.

    78 ST CLEMENT CLOSE UXBRIDGE

    Received 14 Aug 2023
  20. Approval64997/APP/2024/1340

    Erection of a first floor extension to the side and conversion of integral garage to habitable accommodation room.

    Odcot - 19 DUCKS HILL ROAD NORTHWOOD MIDDLESEX HA6 2NW

    Received 20 May 2024
  21. Approval40333/APP/2022/985

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

    239 WHITBY ROAD RUISLIP

    Received 23 Mar 2022
  22. Approval29405/APP/2025/1992

    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 3.00 metres, and for which the height of the eaves would be 2.85 metres.

    73 MULBERRY CRESCENT WEST DRAYTON

    Received 24 Jul 2025
  23. Approval5352/APP/2023/1875

    Erection of a first floor rear extension, garage conversion, new windows to front, amendments to fenestration and alterations to roof form. Alterations to driveway and new vehicle parking with charging bays.

    9 FRAYS AVENUE WEST DRAYTON

    Received 27 Jun 2023
  24. Approval16157/APP/2026/806

    Erection of a single storey wraparound extension to the sides and rear, erection of front porch, following the demolition of existing detached garages and shed

    29 SWEETCROFT LANE HILLINGDON

    Received 31 Mar 2026

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

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    Planning application documents: what to read first

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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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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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