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 dates30,068Searchable applications
509Recorded as pending
78%Approval rate · 28,050 approved or refused records
6,101Refused applications
21,949 approved · 6,101 refused · 1,079 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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 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
- Approval40539/APP/2023/1775
Proposed change of roof pitch over existing rear outbuilding to a pitched roof (amended description)
85 WIMBORNE AVENUE HAYES UB4 0HH
Received 19 Jun 2023 - Refusal12019/APP/2020/3615
Change of grassed area into an overflow car park with a temporary surface (plastic interlocking grid laid on fleece and filled with gravel)
CEDAR HOUSE VINE LANE HILLINGDON
Received 30 Oct 2020 - Approval2102/APP/2020/845
Details pursuant to the discharge of Condition 25 (Bird Hazard Management Plan) of planning application reference 2102/APP/2018/4231 (Redevelopment of the site to provide three buildings ranging from 2 to 10 storeys in height delivering 331 residential units and 710 sq.m of ground floor commercial floorspace (Use Classes A1, A2, A3, B1, D1 or D2), including the provision of private and communal amenity areas, child play space, car parking, secure cycle parking, refuse storage areas and other associated development (AMENDED MAY 2019).
CHAILEY INDUSTRIAL ESTATE PUMP LANE HAYES UB3 3ND
Received 9 Mar 2020 - Approval14904/APP/2020/4145
Single storey front extension and porch to front.
143 LONG LANE HILLINGDON
Received 14 Dec 2020 - Approval60421/APP/2024/47
Conversion of roof space to habitable use to include a rear dormer with 2 front roof lights, and gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
93 NEW ROAD HARLINGTON MIDDLESEX UB3 5BQ
Received 9 Jan 2024 - Approval75824/APP/2020/2656
Single storey rear extension
81 BIRCHWAY HAYES
Received 21 Aug 2020 - Approval56870/APP/2023/3363
Erection of a single storey rear extension
64 LOWLANDS ROAD EASTCOTE MIDDLESEX HA5 1TU
Received 22 Nov 2023 - Approval52142/APP/2023/2494
Erection of an outbuilding to rear garden with canopy (revised description)
21 SWAKELEYS DRIVE ICKENHAM
Received 22 Aug 2023 - Approval66655/APP/2020/4009
Installation of 40 replacement windows to Yiewsley Health Centre (part retrospective)
YIEWSLEY HEALTH CENTRE HIGH STREET YIEWSLEY
Received 3 Dec 2020 - Approval18284/APP/2020/3302
Details pursuant to condition 6 (Landscaping) of planning permission Ref: 518284/APP/2019/1409 dated 21/10/2019 (Two storey rear extension, single storey front extension, conversion of garage to habitable use to include alterations to front elevation, conversion of roofspace to habitable use to include a rear dormer, 6 x rooflights and alterations to roof including raising of ridge height.)
63 ELGOOD AVENUE NORTHWOOD
Received 15 Oct 2020 - Refusal59735/APP/2021/2943
Demolition of existing garage and conversion of 4 bedroom dwelling to 2 x 1 bedroom flats
18 DAWLEY ROAD HAYES MIDDLESEX
Received 28 Jul 2021 - Approval2971/APP/2023/3241
Erection of a part first floor rear extension with two side facing rooflights (amended description)
103 BIRCHWAY HAYES
Received 8 Nov 2023 - Approval11017/APP/2022/1880
Demolition of existing garage and erection of single storey rear, side and front extensions.
35 MEADOW WAY EASTCOTE RUISLIP
Received 11 Jun 2022 - Approval24289/APP/2025/3236
Erection of front porch and single storey side and rear extensions, following the demolition of the existing attached side garage and 2 x chimneys
33 HILLSIDE ROAD NORTHWOOD
Received 23 Dec 2025 - Approval49801/APP/2020/1738
Single storey rear extension and first floor rear extension
54 WHITEHEATH AVENUE RUISLIP
Received 9 Jun 2020 - Refusal22867/APP/2026/1596
Change of use from C3 Dwellinghouse to C2 Children's Care Home
37 CROWLAND AVENUE HAYES
Received 26 Jun 2026 - Approval39757/TRE/2020/262
To carry out tree surgery including a crown reduction to previous points One Oak T10 on TPO 381.
11 NIGHTINGALE CLOSE EASTCOTE PINNER
Received 22 Sept 2020 - Prior Approval N/Req2574/APP/2020/2365
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 metres, and for which the height of the eaves would be 3 metres
32 MIDCROFT RUISLIP
Received 30 Jul 2020 - Undecided46380/APP/2026/2181
Erection of a single storey rear extension following the demolition of existing conservatory
1 WENTWORTH DRIVE EASTCOTE
Received 9 Sept 2026 - Approval44468/APP/2021/760
Single storey rear extension and conversion of garage to habitable use.
179 EASTCOTE ROAD RUISLIP
Received 25 Feb 2021 - Refusal7876/APP/2024/2360
Erection of a single-storey side extension and the demolition of an existing timber shelter.
1 WARWICK CRESCENT HAYES
Received 2 Sept 2024 - Prior Approval N/Req76278/APP/2021/1212
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 metres, and for which the height of the eaves would be 2.95 metres
35 HUNTERS GROVE HAYES
Received 25 Mar 2021 - Approval61059/APP/2026/4
Variation of Condition 2 (Approved Plans) of planning permission ref. 61059/APP/2022/3392, dated 29-02-2024 (Demolition of existing bungalow. Erection of a two storey 4-bedroom house, including a new front boundary wall and parking.) to raising ridge level and altering ridge of roof, amendments to fenestration, first floor window size alterations, and front entrance portico.
72 SWEETCROFT LANE HILLINGDON MIDDLESEX UB10 9LF
Received 2 Jan 2026 - Withdrawn (P)68911/APP/2021/2199
Application for Non-material amendment to planning permission ref: 68911/APP/2020/3218 dated 22-01-2021 (Addition of a single storey 2 classroom extension at the existing Lake Farm Academy building) for a new 3m wide accessway to be formed linking the rear and front of the school on the west side of the site; the accessway will be constructed using a permeable surface to not add any additional surface water to the drainage systems.
LAKE FARM PARK ACADEMY BOTWELL COMMON ROAD HAYES UB3 1JA
Received 1 Jun 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