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.
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 dates21,710Searchable applications
449Recorded as pending
81%Approval rate · 20,110 approved or refused records
3,828Refused applications
16,282 approved · 3,828 refused · 864 withdrawn. Received dates in our records: 25 Nov 2020 to 5 Oct 2026. Most recent record check: 11 Oct 2026. Counts reflect the last collected status; some records may be out of date.
Local planning information
Council sources checked 14 Sept 2026Planning 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
- Approval16694/APP/2025/1110
Erection of outbuilding to rear garden, following the demolition of existing outbuilding
164 GROSVENOR AVENUE HAYES
Received 16 Apr 2025 - Approval23202/TRE/2024/255
To carry out tree surgery, to Monolith to 8m Two Oaks (T261 and T266 on application) within Woodland 26, TPO 1. To remove lowest limb over Swakeleys Drive and reduce remaining overhang by 3m to One Oak (T142 on application) protected by virtue of its location within Ickenham Village Conservation Area.
SWAKELEYS HOUSE MILTON ROAD ICKENHAM UB10 8NQ
Received 2 Dec 2024 - Refusal22134/TRE/2021/87
To remove One Oak (T1 on application) and One Hornbeam (T2 on application) and replace with two Silver Birch, both within Area 1 on TPO 391
3 COPSE WOOD WAY NORTHWOOD
Received 1 Apr 2021 - Approval49467/APP/2024/1843
Details pursuant to the discharge of Condition 14 (Parking Design and Management Plan) of planning permission ref. 49467/APP/2022/2801, dated 18-05-2023 (Partial demolition and extension to existing building to provide additional self-storage floorspace (Use Class B8) with associated new car and cycle parking, refuse storage, landscaping and other associated works ancillary to the development).
SHURGARD HOUSE, WESTMOUNT CENTRE UXBRIDGE ROAD HAYES UB4 0HD
Received 9 Jul 2024 - Approval383/APP/2024/2932
Conversion of roof space to habitable use, including the construction of a rear dormer and the installation of 2no. roof lights. Construction of a single storey rear and side extension. Creation of a separate utility space with direct access to the private side alley.
22 QUEENS ROAD UXBRIDGE
Received 5 Nov 2024 - Approval54986/APP/2024/1796
Details pursuant to the discharge of Conditions 3 (Materials), 5 (EVCP), 9 (Landscaping Strategy) and 14 (Step Free Access) of planning permission ref. 54986/APP/2023/3718, dated 06-06-2024 for the "Erection of an additional detached three-bedroom dwelling with associated parking, cycle and bin storage following part demolition of the existing dwelling and garage."
67 PINKWELL LANE HAYES MIDDLESEX UB3 1PJ
Received 5 Jul 2024 - Approval77565/APP/2022/2970
Erection of single storey extension to rear
14 TUDOR CLOSE EASTCOTE
Received 27 Sept 2022 - Approval79010/APP/2024/2338
Erection of a First Floor Rear Extension.
32 SWAN ROAD WEST DRAYTON
Received 29 Aug 2024 - Approval58663/APP/2021/415
Single storey front extension and conversion of garage to habitable use with alterations to front elevation
36 LINCOLN ROAD NORTHWOOD MIDDLESEX HA6 1LD
Received 1 Feb 2021 - Refusal11493/APP/2024/655
Single storey rear extension (RETROSPECTIVE)
21 BERKELEY ROAD HILLINGDON
Received 12 Mar 2024 - Approval79866/APP/2026/72
Conversion of garage to habitable space and alterations to fenestration
70 KNOLL CRESCENT NORTHWOOD HA6 1HY
Received 12 Jan 2026 - Approval35338/APP/2024/92
Erection of a single storey extension to rear and side.
84 TOLCARNE DRIVE PINNER
Received 15 Jan 2024 - Approval53242/APP/2023/1217
Erection of a single storey extension to the side
35 WINDERMERE AVENUE RUISLIP
Received 25 Apr 2023 - Approval79025/APP/2024/2518
Erection of outbuilding to rear garden. Conversion of roof space to habitable use to include a rear dormer, 3 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)
135 CARLYON ROAD HAYES UB4 0NU
Received 19 Sept 2024 - Approval27626/APP/2024/1701
Conversion of integral garage to habitable accommodation and construction of a single-storey rear/side extension.
15 TACHBROOK ROAD UXBRIDGE
Received 28 Jun 2024 - Refusal35039/APP/2024/1926
Conversion of garage into habitable use including raising of roof and installation of new window. Amendments to front facing fenestration including new windows and front door, along with new iron railing boundary fencing.
56 THE GREENWAY UXBRIDGE
Received 16 Jul 2024 - Approval25444/APP/2024/2492
Erection of a part single storey side and rear extension and conversion of existing garage into habitable room.
33 COLLEGE DRIVE RUISLIP
Received 16 Sept 2024 - Approval71704/APP/2023/1169
Demolition of existing garages and outbuilding, construction of 2 semi-detached dwellings with gardens to front and rear including off-street car parking
Garage Court Adjacent to 28 ASH GROVE HAREFIELD UB9 6EX
Received 20 Apr 2023 - Approval78046/APP/2023/2669
Conversion of roof space to habitable use to include a rear dormer and 3 front roof lights.
5 BARWICK DRIVE UXBRIDGE UB8 3UP
Received 11 Sept 2023 - Approval79454/APP/2026/1806
Erection of a part two storey part single storey rear and side extension
2 EGERTON CLOSE EASTCOTE HA5 2LP
Received 21 Jul 2026 - Approval72870/APP/2025/382
Details pursuant to Condition 15 (Bat Mitigation) of planning permission reference 72870/APP/2022/3126, dated 19-09-2024 (Retention and demolition of existing buildings, construction of new buildings, all within Use Class B8 with ancillary uses, alongside hardstanding, widening of the vehicular access off Breakspear Road South, associated car and cycle parking, enhanced landscaping and ancillary works).
Merck Sharpe Dohme (MSD) site off BREAKSPEAR ROAD SOUTH HAREFIELD UB9 6LS
Received 14 Feb 2025 - Approval40919/TRE/2025/25
To carry out tree surgery to crown reduce by 2m one Flowering Cherry T23 within TPO 109
30 SWEETCROFT LANE HILLINGDON
Received 23 Jan 2025 - Approval11338/APP/2022/1201
Erection of a rear outbuilding to be used as a home office and studio (Application for a Certificate of Lawful Development for a Proposed Development).
60 BEVERLEY ROAD RUISLIP
Received 11 Apr 2022 - Approval36263/APP/2022/3727
Demolition of existing conservatory and erection of a single storey rear extension and conversion of roof space to habitable use with rear dormer and side roof light.
2 ACACIA AVENUE HAYES
Received 8 Dec 2022
Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.
View all applicationsResearching 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.
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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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