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
30,001Searchable applications
509Recorded as pending
78%Approval rate · 27,984 approved or refused records
6,080Refused applications

21,904 approved · 6,080 refused · 1,078 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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. Refusal56314/APP/2021/812

    Single storey rear extension and alterations to side elevation (Application for a Certificate of Lawful Development for a Proposed Development)

    2 CREST GARDENS RUISLIP MIDDLESEX

    Received 1 Mar 2021
  2. Approval30327/TRE/2023/6

    To carry out tree surgery to re-pollard 3 poplars (T3 and G1 on application) within G6 on TPO 671.

    MISTLETOE FARM CUCKOO HILL EASTCOTE

    Received 9 Jan 2023
  3. Approval5296/APP/2025/841

    Retention of outbuilding to rear garden and lean to structure to the rear of the outbuilding. (Application for a Certificate of Lawful Development for an Existing Development)

    4 CAMDEN AVENUE HAYES

    Received 25 Mar 2025
  4. Approval59963/APP/2020/2906

    Single storey rear extension and addition of 2 window to front elevation

    11 LAWSON GARDENS PINNER

    Received 14 Sept 2020
  5. Refusal29352/APP/2021/3740

    Erection of single-storey front and rear gazebo canopy structures with operable shutters, open sides with metal mesh material and gazebo metal columns and part covered sides (timber cladding) to rear gazebo structure to facilitate the use of part of the premises as a shisha lounge together with demolition of existing single storey store/office area to rear of premises.

    302 KINGSHILL AVENUE HAYES

    Received 5 Oct 2021
  6. Approval67687/APP/2026/1743

    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 2.90 metres

    64 HOLLYWOOD GARDENS HAYES UB4 0DY

    Received 13 Jul 2026
  7. Approval6342/APP/2024/1678

    Erection of a part single storey, part two storey side and a single storey rear extension together with associated parking and landscaping.

    33 HAZELWOOD DRIVE PINNER

    Received 26 Jun 2024
  8. Approval30411/APP/2022/68

    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 with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)

    23 MAHLON AVENUE RUISLIP

    Received 12 Jan 2022
  9. Approval19778/APP/2022/1856

    Alterations to the front side extension to provide access to the side and rear of dwelling

    66 LOWLANDS ROAD EASTCOTE PINNER

    Received 8 Jun 2022
  10. Approval16779/APP/2024/1351

    Conversion of roof space to habitable use to include a rear dormer with 3 front roof lights, and roof extension with removal of chimney stacks and existing side dormer window.(Application for a Certificate of Lawful Development for a Proposed Development)

    3 FAIRDALE GARDENS HAYES

    Received 20 May 2024
  11. Refusal7108/APP/2023/3028

    Erection of a first floor side extension, roof alterations and single storey rear extension

    14 CAMBRIDGE ROAD UXBRIDGE

    Received 17 Oct 2023
  12. Withdrawn (P)50613/APP/2025/311

    Erection of ground, first and second floor link walkways between two existing care home buildings.

    SEYMOUR HOUSE 30-38 CHESTER ROAD NORTHWOOD

    Received 7 Feb 2025
  13. Approval39528/APP/2019/2873

    Details pursuant to condition 1 (Landscape Scheme) of Secretary of State's Appeal Decision Ref: APP/R5510/W/19/3221497 dated 19/08/2019 (LBH Ref: 39528/APP/2018/3757 dated 11/01/2019) Erection of a detached garage

    11 COURT DRIVE HILLINGDON

    Received 28 Aug 2019
  14. Approval36051/APP/2019/1998

    Single storey rear extension

    78 MANOR WAY RUISLIP

    Received 13 Jun 2019
  15. Approval57925/APP/2023/2904

    Erection of a single storey extension to side.

    1 TITMUS CLOSE HILLINGDON

    Received 5 Oct 2023
  16. Approval64166/APP/2021/2011

    Conversion of roof space to habitable use to include two side dormers, partial conversion of roof from hip to gable end, 1 front rooflight, removal of front chimney stack and changes to window and door arrangements (Application for a Certificate of Lawful Development for a Proposed Development)

    50 WEST DRAYTON ROAD HILLINGDON MIDDX UB8 3LA

    Received 18 May 2021
  17. Refusal (Appealed)55222/APP/2019/2989

    Two storey side extension, single storey rear extension and conversion of single dwelling into 1 x 2-bed and 1 x 3-bed self contained flats with associated parking and amenity space

    32 TOWNSEND WAY NORTHWOOD MIDDLESEX HA6 1TF

    Received 9 Sept 2019
  18. Refusal (Appealed)78553/APP/2024/283

    Erection of single storey rear extension following demolition of extension.

    13 CHESTNUT CLOSE HAYES UB3 1JF

    Received 2 Feb 2024
  19. Approval15309/APP/2022/572

    Erection of a single storey rear extension with green roof and front porch extension.

    11 STUART CLOSE HILLINGDON

    Received 21 Feb 2022
  20. Approval2699/APP/2021/2807

    Extension and change of use of outbuilding to B1 (Office) with associated parking

    103 HILLINGDON HILL HILLINGDON

    Received 17 Jul 2021
  21. Approval76869/APP/2021/4231

    Erection of a single storey rear extension, including demolition of existing extension

    51 PINGLESTONE CLOSE HARMONDSWORTH UB7 0DJ

    Received 16 Nov 2021
  22. Approval1058/APP/2024/1751

    Details pursuant to the partial discharge of Condition 6, part (A), (Energy Strategy) as attached to planning permission reference 1058/APP/2021/3423 dated 08-09-2023 (Demolition of the public house (Sui Generis) and erection of purpose-built student accommodation (Sui Generis) and associated common areas and facilities, landscaping, amenity space, bicycle and motorcycle parking, and refuse storage.) (Amended by Section 96a application ref. 1058/APP/2024/2888).

    PADDINGTON PACKET BOAT PUBLIC HOUSE HIGH ROAD COWLEY UXBRIDGE

    Received 2 Jul 2024
  23. Approval77681/APP/2022/3513

    Erection of a single storey rear extension and conversion of the existing garage to a habitable room.

    228 HOBART DRIVE HAYES Hillingdon UB4 9NN

    Received 17 Nov 2022
  24. Approval2036/APP/2020/3772

    Single storey rear infill extension

    56 BREAKSPEAR ROAD SOUTH ICKENHAM

    Received 17 Nov 2020

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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Guides to planning records

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  • 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