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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
24,003Searchable applications
447Recorded as pending
80%Approval rate · 22,298 approved or refused records
4,482Refused applications

17,816 approved · 4,482 refused · 931 withdrawn. Received dates in our records: 29 May 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 Counts reflect the last collected status; some records may be out of date.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
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. Approval28032/APP/2025/1244

    Erection of first floor and loft extension to an existing bungalow with a hipped roof and construction of one rear dormer following the erection of a single-storey rear and side extension following the demolition of an existing store and garage.

    40 MARLBOROUGH AVENUE RUISLIP

    Received 2 May 2025
  2. Approval62625/APP/2026/579

    Variation of Condition 2 (Approved plans) of planning permission ref. 62625/APP/2025/508, dated 14-05-2025 (Erection of a part single, part two-storey rear extension, single-storey side extension, front extension, raising of roof of existing bungalow to allow creation of a two-storey dwelling) to include the demolition of the existing side garage and its replacement with a single-storey side/rear extension.

    56 THORNHILL ROAD ICKENHAM MIDDX UB10 8SQ

    Received 6 Mar 2026
  3. Approval75707/APP/2024/709

    Erection of a single storey detached outbuilding.

    58 DRAYTON GARDENS WEST DRAYTON

    Received 18 Mar 2024
  4. Approval14610/APP/2020/1675

    Conversion of roof space to habitable use to include a rear dormer and conversion of both sides of roof from hip to gable end with new gable end windows (Application for a Certificate of Lawful Development for a Proposed Development)

    5 HILLSIDE CRESCENT NORTHWOOD

    Received 1 Jun 2020
  5. Undecided48363/APP/2026/1427

    Change of use of a 3-bed dwelling (Use class c3a) to a children's home (C2) for up to two children, with a manager and three carers.

    66 WEYMOUTH ROAD HAYES

    Received 9 Jun 2026
  6. Approval50632/APP/2024/1594

    Erection of a two storey, 2 bedroom newbuild dwelling house with car parking space, cycle and bin store, amenity space and landscaping including boundary treatment and ASHP, following the demolition of existing dwelling.

    20A FRITHWOOD AVENUE NORTHWOOD

    Received 17 Jun 2024
  7. Approval50978/TRE/2021/183

    To carry out tree surgery including a crown reduction to previous points to One Ash T3 on TPO 126

    239 HAREFIELD ROAD UXBRIDGE

    Received 13 Jul 2021
  8. Approval53688/APP/2024/2804

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

    55 YORK ROAD NORTHWOOD

    Received 22 Oct 2024
  9. Approval52185/APP/2025/2205

    Change of use from (C3 Use Class) to a small House in Multiple Occupation (HMO) (C4 Use Class) (Application for a Certificate of Lawful Development for a Proposed Development)

    92 MAPLE CLOSE HAYES

    Received 14 Aug 2025
  10. Approval78636/APP/2024/2358

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

    85 CARDINAL ROAD RUISLIP

    Received 31 Aug 2024
  11. Approval8029/APP/2026/1481

    Conversion of roof space to habitable use to include a rear dormer, 2 side roof lights, conversion of roof from hip to gable end with new gable end window, and the removal of the existing chimneys (Application for a Certificate of Lawful Development for a Proposed Development)

    2 ST MARY'S ROAD HAYES

    Received 15 Jun 2026
  12. Approval70275/APP/2023/1103

    Restructuring of the roof to create a gable ended tiled roof with habitable roof space including a rear dormer and 2 front roof lights on each property. Erection of single storey rear extensions and demolition of existing extensions.

    26 & 28 GLEDWOOD AVENUE HAYES UB4 0AN

    Received 14 Apr 2023
  13. Approval73005/APP/2021/3155

    Erection of single storey detached outbuilding for use as office (Application for a Certificate of Lawful Development for a Proposed Development)

    8 JACKS LANE HAREFIELD MIDDLESEX UB9 6HE

    Received 16 Aug 2021
  14. Withdrawn (P)34193/APP/2022/1783

    Erection of a single storey rear conservatory to ground floor flat

    FLAT 1 36 KINGSEND RUISLIP

    Received 31 May 2022
  15. Refusal77867/APP/2023/1627

    Non-material amendment to planning permission ref. 77867/APP/2023/452, dated 09-03-2023 (Alterations of the existing shopfront to include new glazing and relocated door position. The installation of 1 no. internally illuminated fascia and 1 no. vinyl window sign) to install an additional door to match existing.

    4 OLD DAIRY LANE RUISLIP

    Received 2 Jun 2023
  16. Prior Approval N/Req75158/APP/2021/3388

    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 3.6 metres, and for which the height of the eaves would be 3 metres

    385 VICTORIA ROAD RUISLIP MIDDLESEX HA4 OEF

    Received 6 Sept 2021
  17. Approval50387/APP/2022/3520

    Erection of a single storey side/ return extension and first floor rear extension

    131 PARK AVENUE RUISLIP

    Received 17 Nov 2022
  18. Approval55030/APP/2022/2077

    Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end with new gable end window and erection of a single storey rear outbuilding to be used as a gym and garden storage (Application for a Certificate of Lawful Development for a Proposed Development)

    45 FERNDOWN NORTHWOOD

    Received 30 Jun 2022
  19. Approval30474/APP/2021/2690

    Single storey rear extension, first floor side extension including pitched roof above garage and new side door.

    2 FRINGEWOOD CLOSE NORTHWOOD

    Received 7 Jul 2021
  20. Approval66320/APP/2020/3925

    Variation of condition 4 (Windows/Doors) of planning permission ref: 66320/APP/2019/3924 dated 11/02/2020 to allow amendments to the windows/doors (Part two storey, part single storey side/rear extension, single storey front extension, and conversion of roof space to habitable use to include a rear dormer, 1 front and 4 side roof lights, involving demolition of existing side extension and outbuildings)

    41 DEANE WAY EASTCOTE

    Received 26 Nov 2020
  21. Refusal18337/APP/2022/1767

    Erection of an additional storey to enlarge dwelling (Application under Schedule 2, Part 1, Class AA of the Town and Country Planning (General Permitted Development) Order 2015 (as amended))

    51 MAHLON AVENUE RUISLIP

    Received 30 May 2022
  22. Approval33260/APP/2023/579

    Erection of a two storey front extension involving the creation of double bay windows and erection of a part single storey, part double storey rear extension.

    48 VINE LANE HILLINGDON

    Received 27 Feb 2023
  23. Refusal4965/TRE/2021/112

    To carry out tree surgery including, To crown lift to just above window height by removal of lowest branches to one Redwood, T1 on TPO 334

    TUDOR LODGE MURRAY ROAD NORTHWOOD HA6 2YJ

    Received 4 May 2021
  24. Withdrawn (P)32818/APP/2022/2153

    Erection of single storey side and rear extensions

    9 ANGLE CLOSE HILLINGDON

    Received 6 Jul 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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    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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