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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
20,781Searchable applications
448Recorded as pending
81%Approval rate · 19,220 approved or refused records
3,588Refused applications

15,632 approved · 3,588 refused · 842 withdrawn. Received dates in our records: 11 Feb 2021 to 5 Oct 2026. Most recent record check: 11 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 Counts reflect the last collected status; some records may be out of date.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. Approval22332/APP/2025/1707

    Demolition of existing rear single storey extension and erection of a single storey rear extension, front porch extension and Hip-to-Gable Loft Conversion with 3No Rooflights.

    39 WOODFORD CRESCENT PINNER HA5 3TZ

    Received 13 Jun 2025
  2. Approval532/APP/2024/1165

    Prior approval for the erection of a single storey university building containing flexible space for teaching and student use (Use Class F1) under Schedule 2, Part 7, Class M (extensions etc for schools, colleges, universities and hospitals) of The Town and Country Planning (General Permitted Development) (England) Order 2015 (As Amended).

    BRUNEL UNIVERSITY KINGSTON LANE HILLINGDON

    Received 1 May 2024
  3. Approval50395/APP/2021/4386

    Details pursuant to the discharge of Conditions 3 (Cycle Storage), 4 (Parking Plan) and 5 (Parking Allocation Plan) attached to planning permission ref. 50395/APP/2021/1323 dated 13/07/2021 (Change of use of third floor from offices (Use Class E(g)) to residential use (Use Class C3) to include 2 self-contained dwellings (Application for Prior Approval under Schedule 2, Part 3, Class O of the Town and Country Planning (General Permitted Development) (England) Order 2015)).

    BEDFONT CROSS STANWELL ROAD FELTHAM TW14 8NX

    Received 1 Dec 2021
  4. Approval256/APP/2021/2597

    Detached outbuilding in rear garden

    38 BURY STREET RUISLIP

    Received 30 Jun 2021
  5. Approval26423/APP/2026/615

    Erection of an outbuilding to the rear garden to be used as a gym, store and WC, following the demolition of existing rear store.

    5 WEALD ROAD HILLINGDON

    Received 10 Mar 2026
  6. Prior Approval N/Req76888/APP/2022/1818

    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 3.6 metres, and for which the height of the eaves would be 2.9 metres.

    43 HAYES END DRIVE HAYES UB4 8HD

    Received 10 Jun 2022
  7. Approval79874/APP/2026/1310

    Erection of part single storey, part double storey rear extension

    118 ROYAL LANE UXBRIDGE UB8 3QY

    Received 2 Jun 2026
  8. Approval79871/APP/2026/92

    Erection of a part single part two storey rear extension, and a single storey side extension, following demolition of existing conservatory and porch.

    2 WEBBS ROAD HAYES UB4 9JW

    Received 12 Jan 2026
  9. Approval53372/APP/2022/367

    Conversion of existing garage to a habitable room and changes to fenestration

    66 HOBART CLOSE HAYES

    Received 29 Jan 2022
  10. Approval22524/APP/2023/1839

    Change of outer finish of external walls with insulating render and replacement of existing roof tiles

    6 HEMMEN LANE HAYES

    Received 26 Jun 2023
  11. Refusal73218/APP/2026/706

    Proposed part single and part double storey side and rear extensions to allow for the conversion of the existing property from Use Class C4 (HMO) to Use Class C2 (Care Home) - 18 Bedrooms, with internal and external communal areas, and other spaces required to serve the care home, and associated landscaping, refuse and recycle storage, cycle storage and car parking provisions.

    9 SHARPS LANE RUISLIP MIDDLESEX HA4 7JG

    Received 18 Mar 2026
  12. Approval78399/APP/2024/1255

    Change of use of a single dwellinghouse (Class C3) to a 3 x bedroom HMO accommodation (Class C4) (Application for a Certificate of Lawful Development for a Proposed Development)

    14 COTEFORD CLOSE EASTCOTE HA5 2JA

    Received 10 May 2024
  13. Refusal13538/APP/2023/511

    Construction of one additional storey (Application for Prior Approval under Schedule 2, Part 1, Class AA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended)).

    12 LEES ROAD UXBRIDGE UB8 3AS

    Received 22 Feb 2023
  14. Approval79839/APP/2025/3205

    Erection of a two-storey rear extension

    110 WOODROW AVENUE HAYES UB4 8QP

    Received 18 Dec 2025
  15. Approval13572/APP/2022/133

    Erection of a temporary single storey Portakabin unit to be used as classrooms.

    UXBRIDGE COLLEGE (HAYES CENTRE) COLDHARBOUR LANE HAYES

    Received 17 Jan 2022
  16. Approval77093/APP/2022/676

    Erection of a single storey rear extension with 2 x roof lights

    122 HAIG ROAD HILLINGDON UB8 3EG

    Received 1 Mar 2022
  17. Approval79323/APP/2025/509

    Conversion of roof space to habitable use to include a wraparound dormer to the side and rear, following the erection of a single storey extension to the rear (Application for a Certificate of Lawful Development for a Proposed Development).

    4 WALFORD ROAD UXBRIDGE UB8 2NF

    Received 25 Feb 2025
  18. Approval3807/APP/2021/2898

    Installation of solar panels on three existing buildings at Mount Vernon Hospital (Application under Class J, Part 14, Schedule 2 of the General Permitted Development) (England) Order 2015 (as amended)

    MOUNT VERNON HOSPITAL RICKMANSWORTH RD NORTHWOOD HA6 2RN

    Received 23 Jul 2021
  19. Approval10025/APP/2024/2723

    Erection of outbuilding to rear garden

    37 PARKFIELD AVENUE HILLINGDON

    Received 11 Oct 2024
  20. Approval58300/APP/2026/97

    Erection of a part single part two storey rear extension, a first floor side extension, a front porch, following the demolition of the existing rear extension and front porch.

    24 WEST WALK HAYES MIDDLESEX UB3 3JH

    Received 13 Jan 2026
  21. Refusal6522/APP/2022/1819

    Change of use of existing beauty salon to takeaway shop

    61 STATION ROAD HAYES

    Received 6 Jun 2022
  22. Refusal (Appealed)64779/APP/2021/1080

    First floor side extension

    22 CLEVELAND ROAD UXBRIDGE MIDDLESEX UB8 2DR

    Received 18 Mar 2021
  23. Approval3064/APP/2021/3490

    Erection of a detached single storey outbuilding and erection of a front porch extension (Application for a Certificate of Lawful Development for a Proposed Development)

    3 ZEALAND AVENUE HARMONDSWORTH

    Received 14 Sept 2021
  24. Approval24671/TRE/2021/332

    To remove One Ash, T12 on TPO 147

    178 LONG LANE HILLINGDON

    Received 14 Dec 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

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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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