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 dates26,302Searchable applications
441Recorded as pending
79%Approval rate · 24,493 approved or refused records
5,100Refused applications
19,393 approved · 5,100 refused · 1,000 withdrawn. Received dates in our records: 31 Oct 2019 to 5 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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
- Approval16954/APP/2025/2100
Erection of a single storey rear extension, a front porch, and conversion of roof space to habitable use to include a rear dormer and conversion of roof from hip to gable end with new gable end window.
32 COLLINS DRIVE RUISLIP
Received 4 Aug 2025 - Refusal76844/APP/2021/4051
Erection of a single storey outbuilding for use as a garden room
36 MASTERMAN PLACE HILLINGDON UB10 0QX
Received 2 Nov 2021 - Approval39438/TRE/2025/110
TPO 394 A1 1 x Leyland Cypress in rear garden lateral crown reduction of up to 0.25m.
12 THE BROADWALK NORTHWOOD
Received 23 Apr 2025 - Prior Approval N/Req77233/APP/2022/1351
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 3.7 metres, and for which the height of the eaves would be 3 metres
50 DELLFIELD CRESCENT COWLEY UB8 2EU
Received 4 May 2022 - Undecided79199/APP/2025/3131
Erection of 5 new-build residential dwellings, with private amenity space, parking, refuge storage and cycle parking (amended drawings)
LAND ADJ TO 7 WEPHAM CLOSE HAYES
Received 11 Dec 2025 - Approval75701/APP/2020/2998
Single storey rear extension
202 WHITBY ROAD RUISLIP
Received 18 Sept 2020 - Approval41312/APP/2022/750
Erection of a single storey rear extension.
9 BRAUNSTON DRIVE HAYES
Received 7 Mar 2022 - Refusal (Appealed)70466/APP/2022/3247
Existing use of outbuilding as a self-contained flat (Application for a Certificate of Lawful Development for an Existing Use)
48 GOULDS GREEN HILLINGDON
Received 24 Oct 2022 - Refusal47772/APP/2025/1323
Change of use from a Small HMO (Class C4) to a Large HMO (Sui Generis).
102 HUNTERS GROVE HAYES
Received 12 May 2025 - Approval58841/APP/2026/1459
Details pursuant to the discharge of Conditions 5 (Car Parking and Vehicular Access), 6 (Cycle Parking), 9 (Landscaping), 10 (Step Free Access), and 11 (Construction Management Plan) of planning permission ref. 58841/APP/2026/547, dated 15-05-26 (Erection of 2no. dwellinghouses with associated landscaping, parking, cycle and bin storage, following the demolition of the existing bungalow.)
9 ST MARGARETS AVENUE HILLINGDON MIDDX UB8 3HH
Received 12 Jun 2026 - Approval34530/APP/2025/2107
Erection of single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)
4 EMMANUEL ROAD NORTHWOOD
Received 5 Aug 2025 - Approval75127/APP/2025/2278
Details pursuant to Condition 24 (service and delivery) of application reference 75127/APP/2023/1646 dated 23-04-24 for 'Minor material amendment (s73) to Condition 2 (Approved Plans) and Condition 3 (General Compliance with Supporting Documents) of planning consent reference: 75127/APP/2022/2395 dated 13-03-2023 (Minor material amendment application (s73) to amend Condition 3 of planning consent reference 75127/APP/2019/3221 dated 27-04-2020 (Redevelopment of site including demolition of existing buildings (Use Class D1) to provide a part 2, part 3 storey building including a basement to provide a leisure centre (Use Class D2) with access, car parking (including a decked car park), landscaping and associated work). The amendments include the removal of the car park deck, re-arrangement of the parking layout and provision of a switch room within the site'.
West Drayton Leisure Centre, Harmondsworth Road/ ROWLHEYS PLACE WEST DRAYTON
Received 27 Aug 2025 - Approval20162/APP/2021/2012
2 single storey outbuildings to rear (one in each garden) for use as a gym/home office
40 & 40A VINE LANE HILLINGDON
Received 18 May 2021 - Approval35394/APP/2022/3159
Conversion of roof space to habitable use to include a rear dormer with 2 front roof lights and conversion of roof from hip to gable end with new gable end window. Erection of a front porch (Application for a Certificate of Lawful Development for a Proposed Development)
29 COLBROOK AVENUE HAYES
Received 15 Oct 2022 - Approval73955/APP/2025/1762
Details pursuant to the partial discharge of Condition 12 (Submission of Verification Report for approved drainage/SuDS for Blocks B and C) 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 25 Jun 2025 - Refusal77683/APP/2022/3527
Proposed 5G telecoms installation: H3G 15m street pole and additional equipment cabinets (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).
HIGH ROAD street works HIGH ROAD EASTCOTE HA5 2ER
Received 18 Nov 2022 - Refusal32258/APP/2021/2322
Single storey outbuilding to rear for use as a workshop
14 TREVOR CRESCENT RUISLIP
Received 8 Jun 2021 - Refusal32743/APP/2021/518
Single storey side and single storey rear extension
32 HALFORD ROAD ICKENHAM
Received 10 Feb 2021 - Approval55843/APP/2021/4257
Erection of a single storey side and rear extension. Render front and rear exterior walls.
32 BROADWATER LANE HAREFIELD MIDDLESEX UB9 6AH
Received 18 Nov 2021 - Approval78079/APP/2023/1619
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 removal of chimney stack (Application for a Certificate of Lawful Development for a Proposed Development).
133 THE FAIRWAY RUISLIP HA4 0SW
Received 2 Jun 2023 - Approval58717/APP/2025/2046
Erection of a two storey rear extension, conversion of loft space to habitable use to include 1no. rear dormer, 1no. side dormer and 4no. side facing roof lights, and amendments to fenestration including new side facing windows.
27 ANGLE CLOSE HILLINGDON UB10 0BS
Received 29 Jul 2025 - Approval77875/APP/2023/1375
Erection of a single storey extension to the rear.
41 HESA ROAD HAYES UB3 2DP
Received 11 May 2023 - Approval22378/APP/2023/1152
Variation of Condition 2 (Accordance with approved plans) of planning permission ref. 22378/APP/2022/683, dated 04-05-2022 (Two storey side extension, first floor side extension, part two storey, part single storey rear extension and conversion of garage to habitable use). Variation seeks to extend forward the ground floor of the side extension to align with the principal elevation.
61 THORNHILL ROAD ICKENHAM
Received 19 Apr 2023 - Approval57699/APP/2020/968
The installation of a 20m monopole, 12 antenna apertures, 7 equipment cabinets and the removal of the existing 14.7m monopole, 3 antennas, 5 redundant equipment cabinets and development ancillary thereto
LAND FRONTING RENAISSANCE HOTEL BATH ROAD HARLINGTON
Received 19 Mar 2020
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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