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 dates24,194Searchable applications
447Recorded as pending
80%Approval rate · 22,474 approved or refused records
4,523Refused applications
17,951 approved · 4,523 refused · 939 withdrawn. Received dates in our records: 7 May 2020 to 5 Oct 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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
- Approval73955/APP/2025/1749
Details pursuant to the partial discharge of Condition No.36 (Parts (ii) and (iii) Contamination remediation and verification reports) for Block 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 24 Jun 2025 - Approval14387/APP/2020/4128
Proposed barn extension to provide an extended dining area at ground floor and 8 no. guest rooms at first floor (Application for Listed Building Consent)
THE SIX BELLS PH DUCKS HILL ROAD RUISLIP
Received 15 Dec 2020 - Approval3772/APP/2022/3538
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 3.90 metres, and for which the height of the eaves would be 2.50 metres
87 FROGMORE AVENUE HAYES
Received 22 Nov 2022 - Approval13933/APP/2025/91
Conversion of an existing residential dwelling (Use Class C3) into a four-bedroom House in Multiple Occupation (Use Class C4) (Application for a Certificate of Lawful Development for a Proposed Development).
7 OLD FARM ROAD WEST DRAYTON
Received 14 Jan 2025 - Approval43575/TRE/2023/274
To fell One Scot's Pine at T1 within TPO 453.
93 WILTSHIRE LANE EASTCOTE PINNER
Received 14 Nov 2023 - Refusal12883/APP/2024/666
Erection of a part single part two storey side extension. Conversion of roof space to habitable use to include two side dormers and 2 front roof lights.
261 LONG LANE HILLINGDON
Received 13 Mar 2024 - Approval1331/APP/2024/38
Details pursuant to the partial discharge of Condition 56 (Contaminated Soils - Block F2 Only) as attached to planning permission ref. 1331/APP/2021/751 dated 28-06-2021 (Section 73 application seeking a variation to Condition 61 (Approved Drawings) of planning permission ref: 1331/APP/2019/1666 dated 11-09-20 (Section 73 application to vary Condition 9 (Residential Condition - Approved Plans) of planning permission ref: 1331/APP/2017/1883 dated 28/06/2018 (Part demolition of existing factory buildings and associated structures, and redevelopment to provide residential dwellings (Use Class C3), office, retail, community and leisure uses (Use Class A1/A3/A4/B1/B8/D1/D2), commercial floorspace (Use Classes B1c/B2/B8) and Data Centre (Sui Generis), amenity and playspace, landscaping, allotments, access, service yards, associated car parking and other engineering works) (as amended by application ref: 1331/APP/2020/50 dated 06/02/20)).
Block F2, Former Nestle Factory NESTLES AVENUE HAYES
Received 8 Jan 2024 - Refusal78059/APP/2023/1533
Erection of single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development).
40 CHENEY STREET EASTCOTE
Received 25 May 2023 - Approval49869/TRE/2023/221
To fell and grind stump One Oak at T11 within TPO 175.
3 FRINGEWOOD CLOSE NORTHWOOD
Received 21 Sept 2023 - Approval38077/APP/2020/3222
Conversion of roof space to habitable use to include 2 side dormers and conversion of rear of roof from hip to gable end with Juliette balcony (Application for a Certificate of Lawful Development for a Proposed Development)
41 ST GEORGE'S DRIVE ICKENHAM
Received 7 Oct 2020 - Approval27901/APP/2025/2023
Erection of a part single storey, part two storey rear extension, a single storey side extension, and installation of a front canopy porch, following demolition of existing garage and solar panels on the roof profile
35 CYGNET CLOSE NORTHWOOD HA6 2TA
Received 25 Jul 2025 - Refusal62118/ADV/2020/57
Installation of fascia signage and awnings
766B UXBRIDGE ROAD HAYES
Received 1 Sept 2020 - Approval59264/APP/2024/81
Erection of a single storey extension to the rear, following demolition of existing conservatory
33 BEECH AVENUE RUISLIP
Received 12 Jan 2024 - Approval8557/APP/2025/638
Erection of a two-storey rear extension and a first-floor side extension; conversion of garage into habitable room; and the erection of an outbuilding in rear garden.
18 THE FAIRWAY RUISLIP
Received 7 Mar 2025 - Approval77113/APP/2022/3713
Erection of a two storey rear extension, single storey side extension and a loft conversion with hip to gable extensions, side facing windows, rear dormer and front roof lights and front porch.
42 PINN WAY RUISLIP HA4 7QF
Received 8 Dec 2022 - Approval66833/APP/2022/746
Erection of a single storey rear extension.
87 LIME GROVE RUISLIP MIDDLESEX HA4 8RW
Received 7 Mar 2022 - Approval1331/APP/2021/2169
Details pursuant to the partial discharge of Condition 37 (Carbon Reduction Measures - Block F2 only) attached to planning permission ref. 1331/APP/2021/751 dated 10/11/2021 (Section 73 application seeking a variation to Condition 61 (Approved Drawings) of planning permission ref: 1331/APP/2019/1666 dated 11-09-20 (Section 73 application to vary Condition 9 (Residential Condition - Approved Plans) of planning permission ref: 1331/APP/2017/1883 dated 28/06/2018 (Part demolition of existing factory buildings and associated structures, and redevelopment to provide residential dwellings (Use Class C3), office, retail, community and leisure uses (Use Class A1/A3/A4/B1/B8/D1/D2), commercial floorspace (Use Classes B1c/B2/B8) and Data Centre (Sui Generis), amenity and playspace, landscaping, allotments, access, service yards, associated car parking and other engineering works) (as amended by application ref: 1331/APP/2020/50 dated 06/02/20)).
BLOCK F2, FORMER NESTLE FACTORY NESTLES AVENUE HAYES
Received 28 May 2021 - Approval29083/APP/2023/1587
Change of use from one residential dwelling (Class C3) to six-bed HMO (Class C4). Erection of a single storey rear extension following demolition of existing conservatory.
41 SEATON ROAD HAYES
Received 30 May 2023 - Approval74574/APP/2022/1182
Details pursuant to the discharge of Conditions 3 (Materials), 5 (Landscaping), 6 (Cycle Storage) and 7 (Waste Storage) of planning permission ref. 74574/APP/2019/431 (Appeal ref: APP/R5510/W/20/3250274), dated 14/08/2020 (Erection of a five storey building to create Use Class B8 floor space at ground and first floor levels and 2 x studio flats with associated amenity space)
LAND REAR OF 42 - 48 WINDMILL HILL RUISLIP
Received 8 Apr 2022 - Refusal46209/APP/2022/2626
Removal and replacement of roof with the erection of dormer extensions, a single storey rear extension, single storey side extension and an outbuilding.
33 FAIRFIELD ROAD UXBRIDGE
Received 19 Aug 2022 - Approval25011/APP/2020/2600
Single storey rear extension
15 MIDCROFT RUISLIP
Received 18 Aug 2020 - Approval1866/APP/2024/1515
Erection of a single storey rear and side extension and replacement of boundary wall to the front, following the demolition of existing garage.
39 MIDCROFT RUISLIP
Received 6 Jun 2024 - Approval30241/APP/2024/62
Erection of a single storey side and rear extension, with patio and steps to rear
16 CHESTNUT AVENUE NORTHWOOD
Received 10 Jan 2024 - Approval75146/APP/2021/2822
Erection of single storey rear extension and conversion from dwellinghouse to 5 bed HMO
36 COLERIDGE WAY WEST DRAYTON UB7 9HR
Received 19 Jul 2021
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