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 dates21,017Searchable applications
448Recorded as pending
81%Approval rate · 19,446 approved or refused records
3,643Refused applications
15,803 approved · 3,643 refused · 850 withdrawn. Received dates in our records: 25 Jan 2021 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 Counts reflect the last collected status; some records may be out of date.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
- Approval78760/APP/2024/1156
Erection of a single storey 'wraparound' side and rear extension.
118 ABBOTSBURY GARDENS EASTCOTE HA5 1SU
Received 1 May 2024 - Approval2787/APP/2022/1205
Non-material amendment to planning permission ref. 2787/APP/2021/139, dated 10-03-2021 (First floor side extension, part two storey part single storey rear extension and conversion of garage to habitable use) to increase height on parapet due to incorrect drawings from previous architects in order to match the ceiling height.
109 BURY STREET RUISLIP
Received 11 Apr 2022 - Approval76655/APP/2023/2734
Non-Material Amendment to planning permission ref: 76655/APP/2023/779, dated 02-06-2023 (Variation of Condition 2 (Accordance with Approved Plans) of planning permission ref. 76655/APP/2021/3039 dated 07-04-2022 (Re-development of the vacant Site to provide a residential development comprising 131 (C3) residential units, with associated amenity areas, landscaping, car parking and all ancillary and enabling works) to alter the internal layouts and replace 13 no. studio units with 13 no. one-bedroom units), in order to amend the wording of Condition 2 (Accordance with Approved Plans) and make alterations to deliver a second stair escape from the Block A rooftop courtyard.
HPH4 MILLINGTON ROAD HAYES UB3 4AZ
Received 18 Sept 2023 - Approval70975/APP/2022/3327
Details pursuant to the discharge of Conditions 3 (ground levels and finished floor levels), 4 (materials and external surfaces), 5 (method statement), 6 (landscape scheme), 7 (step free access) and 9 (demolition and construction management plan) of planning permission ref. 70975/APP/2022/1017, dated 25-10-2022 (Erection of two semi-detached houses with associated parking)
LAND FORMING PART OF 43 THE DRIVE ADJACENT TO 68 AND 113 KNOLL CRESCENT NORTHWOOD HA6 1HY
Received 31 Oct 2022 - Refusal15089/APP/2022/2200
Conversion of roof space to habitable use to include a rear dormer with 1 front roof light and conversion of roof from hip to double gable ends with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
24 GREENACRES AVENUE ICKENHAM
Received 8 Jul 2022 - Refusal78425/APP/2023/3492
Erection of part single, part double storey rear and side extensions including attached garage, erection of front extension with porch and gable feature, conversion of loft space to habitable use including roof alterations and extensions, front and rear dormers, amendments to fenestration and roof lights and 4 new parking spaces in the front court (revised description)
13 KEWFERRY DRIVE NORTHWOOD HA6 2NT
Received 1 Dec 2023 - Refusal1331/APP/2022/1349
Details pursuant to Condition 31 (iii-iv) - Ground Contamination Validation as attached to planning permission ref. 1331/APP/2019/1666 dated 11/09/2020 (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 F1, Former Nestle Factory NESTLES AVENUE HAYES UB3 4RF
Received 25 Apr 2022 - Refusal12035/APP/2025/410
Erection of an outbuilding to the rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
28 PIELD HEATH AVENUE HILLINGDON
Received 17 Feb 2025 - Approval51312/APP/2024/1056
Conversion of roof space to habitable use to include a rear dormer and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
12 CHURCH ROAD NORTHWOOD
Received 23 Apr 2024 - Approval20676/APP/2023/818
Erection of single storey side and rear extensions
62 ST GEORGE'S DRIVE ICKENHAM
Received 20 Mar 2023 - Approval14053/APP/2021/3161
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 3.5 metres, and for which the height of the eaves would be 2.85 metres
55 BLANDFORD WAYE HAYES UB4 0PA
Received 16 Aug 2021 - Approval61025/APP/2024/1621
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 3.00 metres, and for which the height of the eaves would be 2.85 metres
64 MARVELL AVENUE HAYES MIDDLESEX UB4 0QS
Received 18 Jun 2024 - Withdrawn (P)35283/APP/2023/472
Conversion of garage to habitable use
22 CHERWELL WAY RUISLIP
Received 17 Feb 2023 - Approval74398/APP/2021/2899
Detached outbuilding for use as home gym and garden store (Application for a Certificate of Lawful Development for Proposed Development)
71 BRIDLE ROAD EASTCOTE HA5 2SS
Received 26 Jul 2021 - Approval9917/APP/2022/1456
Conversion of roof space to habitable use to include 2 x side dormer roof extensions and second floor window on rear elevation of property (Application for a Certificate of Lawful Development for a Proposed Development)
13 CHARVILLE LANE HAYES
Received 5 May 2022 - Refusal19584/APP/2023/1256
Erection of a single storey extension to the rear following demolition of existing rear extension.
61 HAYES END DRIVE HAYES
Received 28 Apr 2023 - Approval23304/APP/2024/785
Erection of a single storey rear extension to ground floor shop.
303 LONG LANE HILLINGDON
Received 25 Mar 2024 - Approval48347/APP/2024/1826
Erection of a first floor rear extension
14 CHAUCER AVENUE HAYES
Received 8 Jul 2024 - Approval29550/APP/2022/1573
Erection of a single storey rear extension with 6no. conservation roof lights and 2no small conservation roof lights in the front roofslope.
1 KINGS CLOSE NORTHWOOD
Received 16 May 2022 - Approval20914/APP/2022/3730
Erection of single storey extension to rear (Application for a Certificate of Lawful Development for a Proposed Development)
21 MOUNT PLEASANT RUISLIP
Received 9 Dec 2022 - Refusal13207/APP/2021/3656
Demolition of the existing bungalow and the construction of a three storey block comprising a basement for use as a communal gym and 4 x self-contained flats together with associated amenity space, parking, refuse and recycling
139 NORTH HYDE ROAD HAYES
Received 28 Sept 2021 - Approval26758/APP/2021/3966
Variation of Condition 1 (school pupil numbers) of Secretary of States' Appeal Decision ref. APP/R5510/C/18/3213390 dated 15/08/2019 (Installation of two portable cabins) to increase the capacity from 60 pupils to 80 pupils.
INGLENOOK SIPSON LANE SIPSON
Received 25 Oct 2021 - Approval80194/APP/2026/1857
Conversion of loft to habitable space including a hip to gable end extension, rear dormer and 2 front rooflights
66 COPTHALL ROAD WEST ICKENHAM UB10 8H
Received 27 Jul 2026 - Refusal30330/APP/2021/3918
Erection of a single storey ground floor rear extension.
21 COLBROOK AVENUE HAYES
Received 20 Oct 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.
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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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