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 dates26,518Searchable applications
441Recorded as pending
79%Approval rate · 24,701 approved or refused records
5,163Refused applications
19,538 approved · 5,163 refused · 1,006 withdrawn. Received dates in our records: 11 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 Counts reflect the last collected status; some records may be out of date.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 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
- Approval49388/APP/2024/188
Erection of a single storey rear extension and side extension, following the demolition of existing garage.
93 WOODSTOCK GARDENS HAYES
Received 24 Jan 2024 - Approval14031/APP/2023/1921
Erection of a part single storey, part double storey rear extension and front porch
40 GLEDWOOD CRESCENT HAYES
Received 3 Jul 2023 - Approval14710/APP/2026/954
Erection of a single storey side and rear extension.
14 PAIGNTON ROAD RUISLIP
Received 16 Apr 2026 - Approval78715/APP/2024/978
Use of two buildings as a Dwellinghouse (Use Class C3) and ancillary outbuilding (Application for a Certificate of Lawful Development for an Existing Use and Development)
Land Adj to 38 BENBOW WAYE COWLEY UB8 2EY
Received 16 Apr 2024 - Approval17979/APP/2025/2611
Details pursuant to the discharge of Condition 18 (Biodiversity Net Gain) of planning permission ref: 17979/APP/2025/1314, dated 02-10-2025 (Demolition of 16 studio bungalows and the erection of 21 affordable family-sized houses with associated facilities).
Land Northwest of Haydon Drive and South of Chamberlain Lane HAYDON DRIVE EASTCOTE HA5 2PW
Received 9 Oct 2025 - Refusal30506/APP/2026/1470
Erection of a two bed dwelling, including parking, bin and cycle store and amenity space. Erection of a single storey extension to the rear and front porch
12 CROYDE AVENUE HAYES
Received 15 Jun 2026 - Approval76849/APP/2021/4072
Erection of single storey rear extension with ramped access from existing store room
10 THE THICKET YIEWSLEY UB7 8AS
Received 2 Nov 2021 - Approval66639/APP/2021/1215
Single storey rear extension
9 WESTFIELD WAY RUISLIP MIDDLESEX HA4 6HW
Received 26 Mar 2021 - Approval80029/APP/2026/980
Conversion of roof space to habitable use to include roof lights to front and rear (Application for a Certificate of Lawful Development for a Proposed Development)
139 PINNER ROAD NORTHWOOD HA6 1DB
Received 20 Apr 2026 - Approval73955/APP/2023/1029
Details pursuant to full discharge of Condition 16 (Crane Operation Plan) of planning permission ref. 73955/APP/2022/2613, dated 20-03-2023: Section 73 application to vary Conditions 2, 3 and 5 of application reference 73955/APP/2021/3362 dated 20-01-2022 (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) to include a second staircase, reduction in car parking, change to energy strategy, internal flat changes to address fire regulations, change to residential unit mix, and amendments to landscaping.
CROWN TRADING CENTRE CLAYTON ROAD HAYES HILLINGDON UB3 1DU
Received 5 Apr 2023 - Approval16824/APP/2023/3172
Installation of 4 no. brick piers to existing metal railings and opening gates to the front with associated lighting.
15 NICHOLAS WAY NORTHWOOD HA6 2TR
Received 2 Nov 2023 - Refusal11554/APP/2026/1131
Erection of a single storey extension to the side, erection of front porch, conversion of roof space to habitable use to include a rear dormer and front roof lights, following the demolition of existing outbuilding and existing side extension
9 ROSEARY CLOSE WEST DRAYTON
Received 7 May 2026 - Approval78618/APP/2024/510
Replacement PVC windows and patio doors serving first floor flat.
16 DEVONSHIRE WAY HAYES UB4 0JA
Received 28 Feb 2024 - Approval60888/APP/2022/3621
Demolition of existing rear extension and erection of single storey rear extension
122 CROMWELL ROAD HAYES
Received 29 Nov 2022 - Prior Approval N/Req79864/APP/2026/60
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 3.00 metres, and for which the height of the eaves would be 2.70 metres
141 CROMWELL ROAD HAYES UB3 2PU
Received 8 Jan 2026 - Approval54471/APP/2022/1468
Erection of a single storey rear extension.
51 PARK VIEW ROAD HILLINGDON
Received 6 May 2022 - Approval75918/APP/2020/4084
Section 96a (Non-material amendment) to planning permission Ref: 75918/APP/2020/3171 dated 19-11-20 (Installation of mezzanines, external plant compounds, external changes to elevations, and associated works) to remove Condition 6 (Piling Method Statement)
UNIT B, HAYES 180 1-3 UXBRIDGE ROAD HAYES UB4 0JJ
Received 9 Dec 2020 - Refusal (Appealed)40278/APP/2022/2898
Erection of a brick conservatory to rear and demolition of existing garage at rear of garden.
64 HARTLAND DRIVE RUISLIP
Received 19 Sept 2022 - Refusal (Appealed)75148/APP/2021/1891
Two storey side extension
101 CASTLE AVENUE YIEWSLEY UB7 8LQ
Received 11 May 2021 - Approval25485/APP/2020/4116
Single storey side/rear extension and porch to front
57 THE FAIRWAY RUISLIP
Received 12 Dec 2020 - Approval51463/APP/2024/2091
Internal alterations to bathroom, including removal of part of stud wall, relocation of door and installation of new stud walls
TECHNICAL BLOCK A NO.1 MAINTENANCE AREA HEATHROW AIRPORT HOUNSLOW
Received 2 Aug 2024 - Refusal40050/APP/2021/747
Construction of two additional storeys measuring 6.6m maximum height (18.7m above ground level) to provide 31 residential units (Application for Prior Approval under Schedule 2, Part 20, Class AA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended))
RIVERVIEW HOUSE OXFORD ROAD UXBRIDGE
Received 25 Feb 2021 - Refusal12711/APP/2021/1449
Extension to existing loft to include the addition of a rear dormer
31 OTTERFIELD ROAD YIEWSLEY
Received 13 Apr 2021 - Approval7610/APP/2019/4002
Internal alterations to provide a new shower room within an existing walk in cupboard, and the opening up of the fireplace within bedroom one
FLAT 1, BREAKSPEAR HOUSE BREAKSPEAR ROAD NORTH HAREFIELD UB9 6NA
Received 11 Dec 2019
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.
How to search planning applicationsGuides to planning records
All planning guides
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.
UK researchPublished Updated
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.
UK researchPublished Updated
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 coverageMore planning authorities in England
- London Borough of Hounslow
- London Borough of Islington
- London Borough of Lambeth
- London Borough of Lewisham
- London Borough of Merton
- London Borough of Newham