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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
26,632Searchable applications
441Recorded as pending
79%Approval rate · 24,812 approved or refused records
5,196Refused applications

19,616 approved · 5,196 refused · 1,009 withdrawn. Received dates in our records: 3 Oct 2019 to 5 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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. Refusal34565/APP/2021/4121

    Variation of Condition 2 (Accordance with Approved Plans) of planning permission reference 34565/APP/2018/3189, dated 31.10.18 (Erection of a two storey, detached dwelling house with habitable roofspace and habitable basement involving demolition of existing dwelling house) to increase the basement footprint, external staircase connecting the basement to the ground floor level, inclusion of lift provision and external overrun, and external alterations including a new central dome on the main roof profile, and changes to fenestration and door treatment, size of rear roof lantern at ground floor level, and design and height of privacy screens (part retrospective)

    27 LINKSWAY NORTHWOOD

    Received 5 Nov 2021
  2. Approval75111/APP/2023/3265

    Details pursuant to the partial discharge of Condition 15 (Verification and Management Maintenance Report Verification - Energy Centre 1 and Visitor Reception 1 Only) as attached to planning permission ref. 75111/APP/2022/1007 dated 21.09.2021 (Full planning permission for site clearance and preparation, including the demolition of remaining buildings, and the redevelopment of the site to provide three energy centres, two visitor reception centres, a new footpath and cycleway link to the canal towpath, works to the highway, car parking, cycle parking, associated infrastructure, enclosures and necessary physical security systems, hard and soft landscaping, and ancillary uses, as well as associated external works).

    Land at Bulls Bridge Industrial Estate NORTH HYDE GARDENS HAYES UB3 4QQ

    Received 10 Nov 2023
  3. Refusal76184/TRE/2022/123

    To carry out tree surgery including a crown reduction to previous points and thin central growth to One Oak T16 on TPO 175

    5 FRINGEWOOD CLOSE NORTHWOOD

    Received 28 Jun 2022
  4. Approval73428/APP/2022/3679

    Details Pursuant to Conditions 3 (materials), 4 (landscape scheme), 5 (planting), 9 (SUDs) and 10 (step free access) of planning permission ref. 73428/APP/2020/1913 dated 03-09-2020 for the Erection of a two storey, 4 bed, detached dwelling with associated parking and amenity space involving demolition of existing bungalow and detached garage.

    141 LONG LANE HILLINGDON UB10 9JN

    Received 5 Dec 2022
  5. Prior Approval N/Req50013/APP/2022/3055

    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 3.20 metres, and for which the height of the eaves would be 2.95 metres

    28 CHURCH CLOSE UXBRIDGE

    Received 6 Oct 2022
  6. Refusal17603/APP/2019/3624

    Part two storey, part single storey rear extension including part demolition of existing extension

    81 LOTHIAN AVENUE HAYES

    Received 6 Nov 2019
  7. Approval23023/APP/2023/571

    Alterations of existing single storey rear roof including insertion of lantern roof light. Amendments to fenestration, removal of rear chimney stack and insertion of four Velux windows on top of existing roof plane

    51 HILLINGDON HILL HILLINGDON

    Received 26 Feb 2023
  8. Approval19810/APP/2025/2141

    Erection of a part single, part double storey rear extension, erection of front porch and erection of outbuilding following the demolition of existing outbuilding and part retrospective rendering of property. (amended description)

    14 DAWLEY PARADE DAWLEY ROAD HAYES

    Received 11 Aug 2025
  9. Approval24999/APP/2021/1826

    Conversion of garage to habitable use, addition of catslide roof with front dormer and alterations to fenestration.

    44 SHARPS LANE RUISLIP

    Received 5 May 2021
  10. Withdrawn (P)65386/APP/2019/3346

    Use of the property as Short Term Let (4 beds) (Application for a Certificate of Lawful Development for an Existing Development)

    45 ZEALAND AVENUE HARMONDSWORTH MIDDLESEX UB7 0BW

    Received 10 Oct 2019
  11. Approval19442/TRE/2025/232

    TPO 114 T11 1x Cupressus to fell and replace with similar species.

    47 KEWFERRY ROAD NORTHWOOD

    Received 9 Sept 2025
  12. Refusal46476/APP/2021/3899

    Two storey side extension, loft conversion, porch, insertion of 2 roof lights together with provision of juliet balcony with glass balustrade on rear elevation

    35 THE DRIVE NORTHWOOD

    Received 19 Oct 2021
  13. Approval16694/APP/2020/3033

    Single storey rear extension including demolition of existing conservatory

    164 GROSVENOR AVENUE HAYES

    Received 23 Sept 2020
  14. Approval29815/APP/2025/1280

    Change of use from dog kennels and storage (Sui Generis) to residential (Class C3), following the demolition of existing buildings, and the erection of a detached single storey dwellinghouse with associated landscaping, car parking, cycle and bin storage.

    WOODLAND VIEW OLD MILL LANE COWLEY UB8 2JH

    Received 7 May 2025
  15. Approval223/APP/2026/2196

    Proposed single storey outbuilding featuring a mono pitched roof (Application for a Certificate of Lawful Development for a Proposed Development)

    146 NORTHWOOD ROAD HAREFIELD

    Received 11 Sept 2026
  16. Approval76567/APP/2023/2358

    Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 2 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)

    146 GROSVENOR CRESCENT HILLINGDON UB10 9EY

    Received 8 Aug 2023
  17. Approval50827/APP/2024/837

    Erection of a first floor rear and side extension

    23 LONGMEAD ROAD HAYES

    Received 1 Apr 2024
  18. Refusal26080/APP/2020/2099

    First floor side/rear extension, porch to front, conversion of roof space to habitable use to include 2 rear and 1 front rooflights and single storey outbuilding to rear for use as an office

    22 THE GROVE ICKENHAM

    Received 8 Jul 2020
  19. Refusal79256/APP/2026/843

    Change of use from small HMO (Class C4) to large HMO (Sui Generis) including erection of a single storey rear extension, and associated bin and cycle storage.

    37 EDGAR ROAD YIEWSLEY UB7 8HN

    Received 31 Mar 2026
  20. Prior Approval N/Req75190/APP/2019/3470

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

    25 BEECHWOOD AVENUE HAYES UB3 1JN

    Received 22 Oct 2019
  21. Refusal65967/APP/2026/1536

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

    231 LONG LANE HILLINGDON

    Received 19 Jun 2026
  22. Approval39259/APP/2024/161

    Erection of a single storey side/rear extension

    57 BRAMPTON ROAD HILLINGDON

    Received 18 Jan 2024
  23. Approval66585/APP/2024/1869

    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 (down to 2.90 metres at eaves).

    112 JUBILEE DRIVE RUISLIP MIDDLESEX HA4 OPU

    Received 10 Jul 2024
  24. Approval50882/APP/2022/257

    Erection of a single storey rear extension with roof light and relocation of bike storage

    ONCE UPON A TIME 346 YEADING LANE HAYES

    Received 27 Jan 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 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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