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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
22,200Searchable applications
449Recorded as pending
81%Approval rate · 20,577 approved or refused records
3,964Refused applications

16,613 approved · 3,964 refused · 881 withdrawn. Received dates in our records: 21 Oct 2020 to 5 Oct 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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. Approval17260/APP/2025/2261

    Erection of a part single storey, part two storey extension to the rear.

    102 FAIRHOLME CRESCENT HAYES

    Received 27 Aug 2025
  2. Approval73955/APP/2022/2958

    Details pursuant to the partial discharge of Condition 19 (Construction Environmental Management Plan) in relation to the Demolition Phase only of planning consent reference 73955/APP/2021/3362 dated 20-01-2022 for 'Section 73 application to vary Conditions 2 and 3 of application reference 73955/APP/2020/139 (Demolition of existing buildings for residential-led mixed use development comprising buildings between 3 and 11 storeys to provide residential units (Use Class C3) and ground floor employment floorspace (Use Class B1) with associated access and car and cycle parking, landscape and amenity areas and associated servicing) to link internal corridors, relocate the consented gym use, relocate a duplex unit, change duplex units to single level, amend the refuse strategy and amend the layout of the car park & cycle stores'.

    CROWN TRADING ESTATE CLAYTON ROAD HAYES

    Received 27 Sept 2022
  3. Approval6842/APP/2024/3045

    Conversion of garage to habitable room. Erection of a single storey part rear and side extension, conversion of roof space to habitable room with rear facing dormer and roof lights to main roof.

    19 THE GLEN EASTCOTE PINNER

    Received 15 Nov 2024
  4. Approval76986/APP/2022/1306

    Erection of a two storey rear and side wrap around extension, side dormer, porch and internal alterations

    296 LONG LANE HILLINGDON UB10 9PE

    Received 20 Apr 2022
  5. Approval77201/APP/2025/117

    Erection of an outbuilding to rear garden.

    28 PARKFIELD AVENUE HILLINGDON MIDDLESEX UB10 ODF

    Received 17 Jan 2025
  6. Approval18003/APP/2024/221

    Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights, erection of front porch, alterations to soil vent pipe (Application for a Certificate of Lawful Development for a Proposed Development)

    85 LINDEN AVENUE RUISLIP

    Received 26 Jan 2024
  7. Approval42021/APP/2021/116

    Single storey rear extension

    121 WHITBY ROAD RUISLIP

    Received 12 Jan 2021
  8. Refusal58283/APP/2021/648

    Single storey front extension and single storey rear extension with internal alterations

    5 THE CROFT RUISLIP MIDDLESEX HA4 0SF

    Received 18 Feb 2021
  9. Approval76759/APP/2025/2308

    Erection of a single storey detached outbuilding to the rear of the property for use as a home office/gym.

    37 HAMILTON ROAD HAYES UB3 3AS

    Received 1 Sept 2025
  10. Approval78666/ADV/2025/13

    Installation of 6 no. non-illuminated fascia signs

    84 SWALLOWFIELD WAY HAYES UB3 1DQ

    Received 24 Feb 2025
  11. Prior Approval N/Req24299/APP/2022/2812

    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 2.80 metres

    76 BERKELEY ROAD HILLINGDON

    Received 12 Sept 2022
  12. Refusal (Appealed)49093/APP/2023/314

    Demolition of existing extension and conservatory. Erection of a single rear extension. Extension and conversion of roof space to habitable use including both sides conversion from hip to gable/half hipped end and raising of the roof ridge. Installation of 2 no. front and 2 no. rear dormers. Erection of a porch.

    46 WILLOW GROVE RUISLIP

    Received 2 Feb 2023
  13. Approval25284/APP/2025/2345

    Conversion of integral garage to habitable accommodation, amendments to fenestration including a front elevation ramp, a front porch canopy and associated landscaping (Description Amended).

    GREENACRE KEWFERRY DRIVE NORTHWOOD

    Received 8 Sept 2025
  14. Withdrawn (P)47872/APP/2025/2520

    Conversion of dwellinghouse into 2 x self-contained flats including the erection of a single storey rear extension, the conversion of roof space to habitable use with a rear dormer and front roof lights, the provision of parking, cycle and bin storage, associated landscaping and widened vehicular crossover.

    154 VICTORIA ROAD RUISLIP

    Received 29 Sept 2025
  15. Approval2082/APP/2021/1485

    Replacement of existing canopy and replacement of ventilation equipment on the southern and western elevations of the canteen block

    NORTHWOOD COLLEGE EDUCATIONAL FOUNDATION MAXWELL ROAD NORTHWOOD HA6 2YE

    Received 14 Apr 2021
  16. Approval5221/APP/2021/3441

    Erection of a single storey side extension and garage conversion, alterations to rear and side facing windows and doors, installation of two rear facing roof lights and replacement of first floor side and rear balcony balustrades.

    ROUNDWOOD HOUSE NORTHWOOD ROAD HAREFIELD

    Received 11 Sept 2021
  17. Refusal43883/APP/2022/1078

    Erection of a single storey rear extension and change of front door.

    7 HILLIERS AVENUE HILLINGDON

    Received 30 Mar 2022
  18. Approval12680/APP/2020/3874

    Part two storey, part single storey rear extension, two storey front extension and conversion of roofspace to habitable use to include 3 x front dormers, 2 x rear dormers and associated alterations.

    HIGHGATE FARM ROAD NORTHWOOD

    Received 24 Nov 2020
  19. Approval12005/APP/2025/1287

    Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)

    28 BARNHILL ROAD HAYES

    Received 7 May 2025
  20. Approval77675/APP/2022/3476

    Conversion of roof space to habitable use to include 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)

    17 RUSSELL GARDENS SIPSON UB7 0LR

    Received 15 Nov 2022
  21. Approval76040/APP/2021/280

    Conversion of roofspace to habitable use to include a rear dormer, 2 x 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).

    3 BOSTON GROVE RUISLIP HA4 7RY

    Received 23 Jan 2021
  22. Approval70388/APP/2025/2792

    Conversion of roof space to habitable use to include hip to gable extension, rear dormer, and 2x sky lights (Application for a Certificate of Lawful Development for a Proposed Development)

    41 ST MARGARETS ROAD RUISLIP HA4 7NZ

    Received 4 Nov 2025
  23. Approval24561/APP/2023/2156

    Restoration of derelict outbuilding with minor alterations to fenestration

    ST MARGARETS CHURCH WINDSOR STREET UXBRIDGE

    Received 20 Jul 2023
  24. Approval32523/TRE/2022/184

    To carry out tree surgery including a Crown reduction by 1.5m to One Oak (T1 on application) and Three Birches (T6, T7 & T8 on application) all within Area 1 on TPO 95

    5 ROGERS RUFF NORTHWOOD

    Received 13 Sept 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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    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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