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
30,295Searchable applications
509Recorded as pending
78%Approval rate · 28,269 approved or refused records
6,153Refused applications

22,116 approved · 6,153 refused · 1,085 withdrawn. Received dates in our records: 11 Jun 2012 to 9 Oct 2026. Most recent record check: 18 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

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. Approval30397/APP/2022/983

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

    21 WIMPOLE ROAD YIEWSLEY

    Received 23 Mar 2022
  2. Approval67808/APP/2019/4017

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

    56 HILLIARD ROAD NORTHWOOD

    Received 12 Dec 2019
  3. Approval75355/APP/2020/236

    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)

    56 WARLEY ROAD HAYES UB4 0QL

    Received 23 Jan 2020
  4. Approval44986/APP/2026/1838

    Erection of a part single part two storey rear extension.

    15 BLISWORTH CLOSE HAYES

    Received 24 Jul 2026
  5. Approval1507/APP/2022/1918

    Erection of 2no side dormers, 4 no. new rooflights, hip-to-gable adjustment on the rear elevation, replacement ground floor rear sliding door with associated parapet roof detail upgrade.

    RED STACKS LINKSWAY NORTHWOOD

    Received 14 Jun 2022
  6. Approval29778/APP/2022/1485

    Conversion of roof space to habitable use to include a rear dormer, 1 rear rooflight and 3 front rooflights and installation of glazing to rear

    27 NICHOLAS WAY NORTHWOOD

    Received 9 May 2022
  7. Approval60097/APP/2024/1900

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

    21A THURLSTONE ROAD RUISLIP

    Received 15 Jul 2024
  8. Approval11580/APP/2024/759

    Details pursuant to the discharge of Conditions 7 (Methodology Statement for removal of faux chimney brickwork) and 8 (Methodology Statement for setting out the blocking up of existing door opening) of Listed Building Consent (Ref. 11580/APP/2021/3316, dated 06/04/2022) for the "Demolition of a non-original single garage, an outbuilding, oil store and a non-original ground floor chimney breast. Enlargement of two openings at ground floor, replacement of all non-original UPVC windows and the construction of a single storey glazed link, extension and associated fenestration and single storey outbuilding."

    12 JACKETS LANE NORTHWOOD

    Received 21 Mar 2024
  9. Refusal61226/APP/2020/2331

    Change of use from office (Use Class B1a) to 3 x studio flats (Use Class C3) (Prior Approval)

    34B HIGH STREET NORTHWOOD HA6 1BN

    Received 27 Jul 2020
  10. Approval61913/APP/2021/2637

    Installation of 20m Phase 8 Monopole C/W wrapround cabinet at base, 3 equipment cabinets and associated ancillary works (Application under Class A, Part 16 of Schedule 2 to the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for determination as to whether prior approval is required for siting and appearance)

    TELECOMMUNICATIONS SHEPISTON LANE HAYES

    Received 2 Jul 2021
  11. Refusal75477/APP/2020/895

    Single storey detached outbuilding to rear for use as an annex

    2 BRAMBLE CLOSE HILLINGDON UB8 3QE

    Received 13 Mar 2020
  12. Approval5861/APP/2019/1904

    Single storey outbuilding to rear for use as a store (Application for a Certificate of Lawful Development for a Proposed Development)

    54 DALE DRIVE HAYES

    Received 6 Jun 2019
  13. Approval1724/APP/2020/2433

    Details pursuant to the partial discharge of Condition 3 (Materials - External Cladding only) in relation to planning permission reference 1724/APP/2016/3513 (Demolition of existing building and erection of new building comprising 24 apartments, amenity space and parking).

    ONSLOW MILLS TROUT ROAD YIEWSLEY

    Received 4 Aug 2020
  14. Approval68911/APP/2021/2995

    Construction of new accessway from the existing service yard area and the main playground area to provide the school with a new route around the site and allow the school to manage social distancing at peak times - especially arrivals and departures

    LAKE FARM PARK ACADEMY BOTWELL COMMON ROAD HAYES UB3 1JA

    Received 3 Aug 2021
  15. Prior Approval N/Req58300/APP/2025/2988

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

    24 WEST WALK HAYES MIDDLESEX UB3 3JH

    Received 26 Nov 2025
  16. Refusal28125/APP/2020/172

    First floor side and rear extension

    37 BLANDFORD WAYE HAYES

    Received 17 Jan 2020
  17. Approval18720/APP/2020/2348

    Single storey rear extension

    38 CHICHESTER AVENUE RUISLIP

    Received 28 Jul 2020
  18. Refusal (Appealed)15727/APP/2022/2030

    Erection of a first floor side extension

    33 THE AVENUE COWLEY UXBRIDGE

    Received 27 Jun 2022
  19. Approval16751/APP/2022/2115

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

    6 BELMONT ROAD UXBRIDGE

    Received 4 Jul 2022
  20. Withdrawn (P)363/APP/2019/2451

    Provision of temporary building to be used as relocated doctor's surgery during construction of approved Secretary of State's appeal decision Ref. APP/R5510/W/17/3168112 dated 26-05-2017 (Part Retrospective Application).

    81 FIELD END ROAD EASTCOTE PINNER

    Received 22 Jul 2019
  21. Approval8560/APP/2019/3620

    Single storey front extension and conversion of roof space to habitable use to include raising of ridge height,1 front and 1 rear dormer and conversion of garage to habitable use

    77 HILLSIDE ROAD NORTHWOOD

    Received 5 Nov 2019
  22. Refusal (Appealed)74860/APP/2020/3919

    Part two storey, part single storey side and rear extension and porch to front

    134 LONG LANE HILLINGDON UB10 0EH

    Received 26 Nov 2020
  23. Approval71967/APP/2019/1780

    Application for a new planning permission to replace an extant planning permission in order to extend the time limit for implementation, reference 71967/APP/2016/2161 dated 21/09/2016 (Single storey rear extension)

    90 TOLLGATE DRIVE HAYES UB4 0NW

    Received 23 May 2019
  24. Approval8002/APP/2021/3049

    Details pursuant to condition 7 (SuDS) and Condition 9 (Soil contamination) of planning permission Ref: 8002/APP/2017/3281 dated 27/11/2017 (Application for a new planning permission to replace an extant planning permission in order to extend the time limit for implementation, ref. 8002/APP/2014/1342 dated 04/11/2014 (Change of use from Use Class C4 (Drinking Establishments) to Use Class C3 (Dwelling Houses) and single storey rear extension and first floor side extension to create 2 x 2-bed and 3 x 1-bed self-contained flats with associated parking and amenity space involving demolition of existing outbuilding to rear)

    47 HARLINGTON ROAD HILLINGDON UB8 3HY

    Received 5 Aug 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

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How to search planning applications

Guides to planning records

All planning guides
  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • 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.

  • 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.

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.

Check collection coverage