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 dates37,025Searchable applications
500Recorded as pending
77%Approval rate · 34,696 approved or refused records
8,008Refused applications
26,688 approved · 8,008 refused · 1,248 withdrawn. Received dates in our records: 1 Oct 2008 to 9 Oct 2026. Most recent record check: 20 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 Counts reflect the last collected status; some records may be out of date.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
- Refusal19777/APP/2024/2634
Erection of a first floor side extension. Conversion of roof space to habitable use to include a rear dormer and 3 front roof lights.
47 MILDRED AVENUE HAYES
Received 2 Oct 2024 - Approval2859/APP/2017/4329
Application for a Non-material Amendment to planning permission Ref: 2859/APP/2017/2922 dated 13/10/2017 to allow for amendments to external finish from brick to render (Two storey building to form 4 x 1-bed flats with associated parking and amenity space, involving demolition of existing bungalow)
14A BOURNE AVENUE RUISLIP
Received 30 Nov 2017 - Approval629/APP/2023/683
Variation of Condition 2 (submitted plans) of planning permission ref. 629/APP/2020/1995, dated 10-09-2020 (Single storey rear extension, conversion of roof space to habitable use to include two rear dormers, four side dormers and one front dormer, crossover to front and single storey outbuilding for use as a gym/garage) to make fenestration changes including repositioning of ground floor windows and first floor dormers. Changes to style and size of dormers and porch and repositioning of kitchen door.
1 THE CROFT RUISLIP
Received 9 Mar 2023 - Approval17175/APP/2026/158
Erection of front infill extension, single storey rear extension, amendments to roof and fenestration, erection of rear and side dormers, installation of front roof lights, all following the demolition of the existing rear dormer
139 BELMONT ROAD UXBRIDGE
Received 20 Jan 2026 - Approval79879/APP/2026/1749
Erection of part single storey, part double storey rear extension
21 NORTH AVENUE HAYES UB3 2JE
Received 13 Jul 2026 - Prior Approval N/Req71876/APP/2026/2169
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
34 BOURNE AVENUE HAYES MIDDLESEX UB3 1QL
Received 8 Sept 2026 - Approval71704/APP/2024/105
Erection of 2no. semi-detached dwellings with associated amenity space and car parking following demolition of existing garages.
Garage Court Adjacent to 28 ASH GROVE HAREFIELD UB9 6EX
Received 15 Jan 2024 - Approval38246/APP/2021/2543
Single storey rear extension
42 WHITE BUTTS ROAD RUISLIP
Received 24 Jun 2021 - Approval51187/APP/2021/4450
Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 2 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
85 SOUTHBOURNE GARDENS RUISLIP
Received 7 Dec 2021 - Refusal33791/APP/2017/3866
Part two storey, part single storey rear extension and single storey side extension involving demolition of existing garage.
275 CHURCH ROAD HAYES
Received 24 Oct 2017 - Approval5769/APP/2024/1929
Erection of a single storey rear extension, following the demolition of the existing conservatory. Erection of a front porch.
23 RUSHDENE ROAD EASTCOTE PINNER
Received 16 Jul 2024 - Approval22910/APP/2024/2847
Variation of Condition 2 (Approved Plans) of planning permission ref. 22910/APP/2022/478, dated 19-04-2022 (Erection of a two storey side extension and a part two storey, part single storey rear extension. Infilling existing covered porch, extending patio and retaining walls following the demolition of existing garage and rear extension). The amendments would reduce the size of the rear and side extensions and alter the front fenestration.
33 GATEHILL ROAD NORTHWOOD
Received 28 Oct 2024 - Withdrawn (P)16109/APP/2018/1302
Demolition of existing dwellinghouse and erection of a new building to provide 8 self-contained flats with associated parking, widening of existing vehicular access, cycle and refuse store, amenity areas and landscaping.
FRINGEWOOD, 137 DUCKS HILL ROAD NORTHWOOD
Received 6 Apr 2018 - Approval69346/APP/2020/3717
Section 73 application seeking Minor Material Amendment to revise Condition 2 (Approved Plans) and remove Condition 3 (front boundary treatment) and amend condition 5 (Tree Protection) of planning permission ref: 69346/APP/2020/1294 (07-09-2020) for external alterations to improve DDA access including the installation of a new platform lift and escape lobby extending to first floor level and the installation of 3 new condenser units; namely for alterations to the boundary treatments.
Yiewsley & West Drayton Community Centre 228 HARMONDSWORTH ROAD WEST DRAYTON
Received 13 Nov 2020 - Approval23999/APP/2018/2326
Replacement of single storey rear extension (Retrospective)
228 HIGH STREET HARLINGTON
Received 22 Jun 2018 - Refusal40031/APP/2026/1530
Erection of part single part two storey side and rear extensions, conversion of garage to habitable use including replacement of the garage door with a window, and conversion of roof space to habitable use including a rear dormer, 2no. front facing rooflights, and a hipped to gable end conversion.
27 DAWLISH DRIVE RUISLIP
Received 19 Jun 2026 - Screen/Scope Issued75111/APP/2020/1580
EIA Screening Opinion Request
BULLS BRIDGE INDUSTRIAL ESTATE, LAND NORTH AND SOUTH OF NORTH HYDE GARDENS HAYES UB2 5LN
Received 20 May 2020 - Refusal46642/APP/2020/297
Conversion of roofspace to habitable use to include a rear dormer, 1 front rooflight and 2 gable end windows (Application for a Certificate of Lawful Development for a Proposed Development)
MEADOW COTTAGE, UNIT 1 TROUT ROAD YIEWSLEY UB7 7RT
Received 29 Jan 2020 - Refusal40895/APP/2020/1224
First floor side and rear extension
10 THE GLEN EASTCOTE PINNER
Received 17 Apr 2020 - Approval65403/APP/2021/3571
Single storey rear extension
79 MINTERNE WAYE HAYES MIDDX UB4 0PF
Received 22 Sept 2021 - Prior Approval N/Req75345/APP/2020/158
Erection of single storey rear extension which would extend beyond the rear wall of the original house by 4 metres, for which maximum height would be 3 metres, and for which the height of the eaves would be 2.85 metres
8 ROWAN ROAD WEST DRAYTON UB7 7UA
Received 17 Jan 2020 - Approval9709/APP/2025/3054
Erection of outbuilding to rear garden, following the demolition of existing garage at rear
59 HUDSON ROAD HARLINGTON
Received 4 Dec 2025 - Approval16775/APP/2019/1309
Single storey rear extension
26 THE RISE HILLINGDON
Received 15 Apr 2019 - Withdrawn (P)34971/APP/2023/1947
Change of use from veterinary surgery to day centre
126 STATION ROAD WEST DRAYTON
Received 4 Jul 2023
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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