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 dates26,597Searchable applications
441Recorded as pending
79%Approval rate · 24,777 approved or refused records
5,188Refused applications
19,589 approved · 5,188 refused · 1,009 withdrawn. Received dates in our records: 7 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 Counts reflect the last collected status; some records may be out of date.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
- Refusal (Appealed)74860/APP/2021/1120
Part two-storey, part single-storey side and rear extension.
134 LONG LANE HILLINGDON UB10 0EH
Received 22 Mar 2021 - Refusal12886/APP/2024/2952
Construction of a part single-storey, part two-storey side and rear extension, following demolition of existing garage and conservatory; conversion of roof space into habitable use, including the construction of a rear dormer; construction of two rear garden outbuildings.
205 HAREFIELD ROAD UXBRIDGE
Received 7 Nov 2024 - Refusal78323/APP/2025/415
Non-material amendment to planning permission ref. 78323/APP/2024/968, dated 11-11-24 (Erection of 2no. semi-detached dwellings including habitable accommodation within the roof space and one basement with associated parking and amenity space, following the demolition of existing bungalow.) to remove Condition 8 (Habitat Management Plan) due to a BNG exemption for self-build dwellings
140 LINDEN AVENUE RUISLIP HA4 8UB
Received 17 Feb 2025 - Withdrawn (P)12536/APP/2023/698
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 3.00 metres
36 HIGHFIELD DRIVE ICKENHAM
Received 9 Mar 2023 - Approval29121/APP/2022/3265
Conversion of garage into habitable space
32 LITTLE ROAD HAYES
Received 25 Oct 2022 - Approval1331/APP/2020/1992
Details pursuant to the discharge of partial Condition 56 (Validation of Soils - Block D only), as attached to planning permission ref. 1331/APP/2017/1883 dated 28.06.2018 (Part demolition of existing factory buildings and associated structures, and redevelopment to provide 1,386 dwellings (Use Class C3). office, retail, community and leisure uses (Use Class A1/A3/A4/B1/B8/D1/D2), 22,663sq.m (GEA) of 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).
FORMER NESTLE FACTORY NESTLES AVENUE HAYES
Received 1 Jul 2020 - Approval68517/APP/2022/1376
Single storey side and rear extension alongside replacement front window with door.
32 DOWN BARNS ROAD RUISLIP HA4 0LY
Received 27 Apr 2022 - Approval14639/APP/2022/1126
Details Pursuant to conditions 3 (Materials), 6 (Step free Access), 7 (Accessibility), 8 (Suds), 9 (Landscaping) and 12 (CLP) of planning permission ref. 14639/APP/2021/3517 dated 25/02/2022 for the Demolition of existing bungalow and erection of 2 no. 3-bed semi-detached houses
7 DORSET WAY HILLINGDON
Received 4 Apr 2022 - Refusal44204/APP/2022/1704
Reduction in scale of existing roof extension
THE RELIANT CARE HOME 180 CHURCH ROAD HAYES UB3 2LS
Received 25 May 2022 - Refusal18687/APP/2020/939
Single storey rear extension
27 SNOWDEN AVENUE HILLINGDON
Received 13 Mar 2020 - Approval79707/APP/2025/2505
Erection of single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development).
32 BLACKTHORN AVENUE WEST DRAYTON UB7 9EX
Received 25 Sept 2025 - Approval22898/APP/2021/3312
Change of use of a dwellinghouse (Use Class C3) to a four bed home where specialist care is provided for residents (Class C2)
102 WEYMOUTH ROAD HAYES
Received 31 Aug 2021 - Approval75341/APP/2020/125
Conversion of roofspace to habitable use to include a rear dormer (Application for a Certificate of Lawful Development for a Proposed Development)
38 FLAMBOROUGH ROAD RUISLIP MIDDLESEX HA4 0DJ
Received 15 Jan 2020 - Approval12409/APP/2022/3763
Erection of a single storey front, side and rear extension
35 POTTER STREET NORTHWOOD
Received 13 Dec 2022 - Approval65705/APP/2025/3017
Erection of single storey extension to rear of existing rear extension.
34A DELAMERE ROAD HAYES MIDDLESEX UB4 0NL
Received 1 Dec 2025 - Refusal42854/TRE/2020/195
to fell one Coastal Redwood (T55 on TPO 7)
FOREST LODGE COURT DRIVE HILLINGDON
Received 2 Aug 2020 - Approval76062/APP/2020/4014
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 4 metres, and for which the height of the eaves would be 3metres
29 WINCHESTER ROAD NORTHWOOD HA6 1JG
Received 4 Dec 2020 - Approval46943/APP/2021/1079
Demolition of existing garage and outbuilding and erection of single storey outbuilding to rear for use as a summerhouse/gym (Application for a Certificate of Lawful Development for an Proposed Development)
44 MOUNT PLEASANT RUISLIP
Received 18 Mar 2021 - Approval70784/APP/2025/2913
Erection of single storey rear extension, maintaining the decking to the rear, Extension of first floor to include front dormer, and amendments to fenestrations.
10 BRIARWOOD DRIVE NORTHWOOD HA6 1PJ
Received 19 Nov 2025 - Approval2145/APP/2022/3534
Demolition of existing school building and construction of part one storey, part two storey Special Education Needs and Disability School (SEND) (Use Class F), together with associated landscaping, play space, access, refuse and recycling storage, car and cycle parking and associated works.
GRANGEWOOD SCHOOL FORE STREET EASTCOTE PINNER
Received 21 Nov 2022 - Approval74214/APP/2020/3417
Two storey front and first floor side extension and change of use from offices to 5 x studio flats with associated car parking, cycle and refuse storage
UNIT 6 THE RUNWAY RUISLIP HA4 6SE
Received 23 Oct 2020 - Approval13280/APP/2024/2768
Construction of garage and sunroom, installation of solar panels, following the demolition of existing garage and sunroom.
36 WEST DRAYTON PARK AVENUE WEST DRAYTON
Received 16 Oct 2024 - Refusal43769/APP/2021/3003
Details pursuant to the discharge of Condition 6 (protection of listed front boundary wall) of planning permission ref. 43769/APP/2021/1278, dated 15/07/21 (single storey side/rear extension and first floor rear extension).
44 CHURCH ROAD WEST DRAYTON
Received 2 Aug 2021 - Refusal31258/APP/2019/3670
Part two storey, part single storey side extension, single storey rear extension and addition of a basement floor, involving demolition of existing side extension
31 MERLE AVENUE HAREFIELD
Received 11 Nov 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.
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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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