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 dates21,312Searchable applications
448Recorded as pending
81%Approval rate · 19,730 approved or refused records
3,733Refused applications
15,997 approved · 3,733 refused · 856 withdrawn. Received dates in our records: 28 Dec 2020 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 Counts reflect the last collected status; some records may be out of date.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
- Refusal29906/APP/2024/976
Conversion of the existing bungalow to a two-storey dwelling house. Erection of a two-storey front extension and single storey rear extension following the demolition of the existing outbuilding (amended description)
28 GREEN LANE HILLINGDON
Received 16 Apr 2024 - Prior Approval N/Req39037/APP/2022/2775
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 2.95 metres
20 LANGDALE DRIVE HAYES
Received 3 Sept 2022 - Approval72870/APP/2024/2775
Request for approval of works under condition imposed by Schedule 17 to the High-Speed Rail (London-West Midlands) Act 2017 for the vehicular and pedestrian access arrangements to Gatemead Embankment attenuation pond, including vehicle parking area.
Merck Sharpe Dohme (MSD) site off BREAKSPEAR ROAD SOUTH HAREFIELD UB9 6LS
Received 17 Oct 2024 - Approval13900/APP/2021/851
Single storey side/rear extension and first floor rear extension
14 MULBERRY PARADE WEST DRAYTON
Received 4 Mar 2021 - Approval12768/APP/2023/1232
Details pursuant to Condition 3 (Bicycle Stands) attached to planning permission ref. 12768/APP/2022/2175 dated 31/03/23 (Repurposing pre-existing store room, contained within the block of flats 1-40 Constabulary Close, to create a one-person studio flat (Retrospective)).
1-53 CONSTABULARY CLOSE WEST DRAYTON
Received 26 Apr 2023 - Approval64163/APP/2022/1169
Erection of a single storey side and first floor rear extension.
35 BEDFORD AVENUE HAYES UB4 0DF
Received 12 Apr 2022 - Approval50853/APP/2025/488
Erection of a single story extension to the rear
326 LANSBURY DRIVE HAYES
Received 24 Feb 2025 - Approval42456/TRE/2023/155
To fell one Oak at T33 and to fell one Horse Chestnut at T41 both within TPO 156.
21 FRITHWOOD AVENUE NORTHWOOD
Received 19 Jul 2023 - Approval78338/APP/2023/2936
Conversion of existing garage to a habitable room and replacement of existing garage door with a window.
43 ALBACORE WAY HAYES UB3 2FS
Received 9 Oct 2023 - Approval67862/APP/2022/2779
Single storey side/rear extension following demolition of side garage and rear conservatory; front porch extension; replacement ground floor side window and new side door; roof extension including replacement front dormer; raised decking to the rear; new side dormer and side rooflights (involving conversion of roofspace into habitable use).
8 HILLSIDE GARDENS NORTHWOOD
Received 7 Sept 2022 - Undecided69159/APP/2026/2302
Proposed loft conversion including hip to gable change, formation of new rear dormer roof, new roof window, new side window and closing up of existing side window.(Application for a Certificate of Lawful Development for a Proposed Development)
24 CROSIER WAY RUISLIP HA4 6HF
Received 29 Sept 2026 - Approval47009/TRE/2025/60
TPO 443 T2 1x Sycamore reduce to previous points.
22 HIGHFIELD ROAD NORTHWOOD
Received 19 Feb 2025 - Approval10057/ADV/2023/57
Installation of 4 internally illuminated fascia signs and non-illuminated vinyl stickers (amended description)
Highpoint Village STATION APPROACH HAYES
Received 8 Nov 2023 - Approval29179/APP/2024/2744
Erection of a single storey side/rear extension.
32 BARNHILL ROAD HAYES
Received 15 Oct 2024 - Approval32635/APP/2024/855
Erection of a single storey rear extension following the demolition of the existing extension (Application for Listed Building Consent)
THE OLD HOUSE, 69 THE GREEN WEST DRAYTON
Received 3 Apr 2024 - Approval10757/APP/2022/3455
Conversion of roof space to office space including 6 no. roof lights to front and rear roof slope
THE BARN MANOR LANE HARLINGTON
Received 11 Nov 2022 - Prior Approval N/Req78788/APP/2024/1307
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 2.95 metres
69 BOTWELL LANE HAYES UB3 2AD
Received 16 May 2024 - Approval44673/APP/2023/1136
Alterations for first floor fenestration
85 WOOD END GREEN ROAD HAYES
Received 18 Apr 2023 - Approval1331/APP/2023/2968
Details pursuant to the partial discharge of Condition 19 (Secured by Design - Block F3/F4) as attached to planning permission ref. 1331/APP/2019/2314 dated 28-06-2021 (Development of 4 no. new buildings comprising residential units (in addition to those approved under planning permission ref: 1331/APP/2017/1883), a basement extension to Block B, flexible commercial uses (Class E) and associated landscaping, access, car parking and other engineering works)
Block F3/F4, Former Nestle Factory NESTLES AVENUE HAYES UB3 4RF
Received 12 Oct 2023 - Approval78109/APP/2026/1179
Erection of a single storey front porch (Retrospective)
83 GLEBE AVENUE ICKENHAM UB10 8PF
Received 13 May 2026 - Approval585/APP/2025/2656
Details pursuant to the partial discharge of Condition 65 (Landscape Maintenance Scheme) for the Town Centre West phase of planning permission reference 585/APP/2015/848 dated 21-12-2015. Variation of condition 5 of planning permission ref: 585/APP/2009/2752 dated 18/01/2012 (redevelopment of former RAF Uxbridge site) to amend approved plans and drainage strategy regarding the Town Centre Extension phase of the development.
ST ANDREWS PARK HILLINGDON ROAD UXBRIDGE
Received 13 Oct 2025 - Approval57048/APP/2026/417
Change of use from a Class C3 (dwellinghouse) to a Class C4 (HMO for up to 4 persons).
9 LANNOCK ROAD HAYES MIDDLESEX UB3 2NG
Received 17 Feb 2026 - Approval60475/APP/2021/1020
Single storey side/rear extension
32 DULVERTON ROAD RUISLIP
Received 15 Mar 2021 - Refusal53507/TRE/2021/79
To carry out tree surgery including a height reduction by 2/3m to Two Ash (T1 and T2 on application) and to monolith by removing crown One Ash (T3 on application), all within Group 1 on TPO 648
TANGLEWOOD HIGHFIELD CLOSE NORTHWOOD MIDDLESEX HA6 1EX
Received 29 Mar 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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