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 dates20,898Searchable applications
448Recorded as pending
81%Approval rate · 19,331 approved or refused records
3,617Refused applications
15,714 approved · 3,617 refused · 847 withdrawn. Received dates in our records: 2 Feb 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 Counts reflect the last collected status; some records may be out of date.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
- Approval74683/APP/2022/834
Conversion of roof space to habitable use to include a rear dormer roof extension, conversion of roof from hip to gable end and erection of single storey side extension (Application for a Certificate of Lawful Development for a Proposed Development).
28 WESTCOTE RISE RUISLIP HA4 7LP
Received 10 Mar 2022 - Approval72870/APP/2022/2692
HS2 request for approval of Plans and Specifications under condition imposed by Schedule 17 to the High Speed Rail (London - West Midlands) Act 2017, relating to a site area of 65,977.4m2 comprising; the realignment of approx. 96m of the River Pinn with associated works including a new footbridge, a flood compensation area, drainage stepped outlets, outfalls, ditches, access stairs and fencing; an attenuation pond for the approved Gatemead Embankment track drainage with an associated road vehicle parking area, access junction and fencing; and two further access junctions for maintenance access with associated access strips and fencing.
Merck Sharpe Dohme (MSD) site off BREAKSPEAR ROAD SOUTH HAREFIELD UB9 6LS
Received 26 Aug 2022 - Refusal52653/TRE/2023/209
To fell One Scots Pine at T1 within TPO 311.
46 BURY STREET RUISLIP
Received 7 Sept 2023 - Approval78378/APP/2023/3135
Conversion of roof space to habitable use to include a rear dormer, and installation of soil ventilation pipe (Application for a Certificate of Lawful Development for a Proposed Development)
54 BUSHEY ROAD ICKENHAM UB10 8JS
Received 30 Oct 2023 - Refusal (Appealed)29834/APP/2022/792
Erection of a two storey side extension, part two storey, part single storey rear extension and loft dormer conversion to include a hip to gable, rear dormer and 3 x front rooflights.
5 ALBERT ROAD HAYES
Received 8 Mar 2022 - Refusal (Appealed)66056/APP/2021/3488
Erection of first floor rear extension
252 LANSBURY DRIVE HAYES
Received 14 Sept 2021 - Approval43785/APP/2025/2314
Construction of rear extension, a sky light on rear extension, new LHS obscure window, new roof light, and a front porch. (Application for a Certificate of Lawful Development for a Proposed Development)
69 BLACKLANDS DRIVE HAYES
Received 4 Sept 2025 - Approval77867/ADV/2023/26
Installation of 1 no. internally illuminated remote sign and 1 no. internally illuminated totem sign.
4 OLD DAIRY LANE RUISLIP
Received 9 Jun 2023 - Approval28120/APP/2022/1970
Erection of outbuilding and hardstanding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
25 EVERSLEY CRESCENT RUISLIP
Received 23 Jun 2022 - Approval48898/APP/2025/1309
Erection of a part single storey, part two storey rear extension, a single storey side extension, and amendments to fenestration (Revised location plan)
45 WILLOW TREE LANE HAYES
Received 9 May 2025 - Approval77762/APP/2022/3901
Erection of a part single storey, part two storey rear extension.
6 SEATON ROAD HAYES UB3 1NS
Received 23 Dec 2022 - Approval45748/APP/2023/1671
Conversion of roof space to habitable use to include a rear dormer with 2 juliette balconies and 3 front roof lights. Amendments to fenestration and removal of chimney stack. (Application for a Certificate of Lawful Development for a Proposed Development)
5 RAVENSWOOD PARK NORTHWOOD
Received 8 Jun 2023 - Approval77653/APP/2024/1370
Erection of 1 x new bungalow following the demolition of the existing bungalow.
36 MICAWBER AVENUE HILLINGDON UXBRIDGE UB8 3NY
Received 21 May 2024 - Refusal40919/TRE/2024/126
To fell One Flowering Cherry (T1 on map) at T23 within TPO 109
30 SWEETCROFT LANE HILLINGDON
Received 17 Jul 2024 - Approval2221/APP/2026/674
Erection of 2no. semi-detached dwellinghouses on former car park, with associated landscaping, PV solar panels and car parking.
395 SIPSON ROAD WEST DRAYTON UB7 0HU
Received 17 Mar 2026 - Approval4823/APP/2021/1492
Single storey outbuilding to rear for use as a garden store/workshop (Application for a Certificate of Lawful Development for a Proposed Development)
2 EXMOUTH ROAD RUISLIP
Received 15 Apr 2021 - Approval45040/APP/2021/759
Single storey side extension involving demolition of existing side and partial rear extension (Application for a Certificate of Lawful Development for a Proposed Development)
112 CENTRAL AVENUE HAYES
Received 25 Feb 2021 - Refusal70925/APP/2023/2383
Proposed installation of a 20m high monopole supporting 6 no. antennas along with 1 no. PSC cabinet, 1 no. Cheshire cabinet, a small meter cabinet and ancillary development thereto (Application under Class A, Part 16 of Schedule 2 to the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for determination as to whether prior approval is required for siting and appearance).
PAVEMENT ADJACENT TO 208 HIGH STREET SIPSON LANE HARLINGTON
Received 9 Aug 2023 - Approval76391/APP/2022/690
Conversion of roof space to habitable use to include two side dormer roof extensions (Application for a Certificate of Lawful Development for a Proposed Development).
55 HARLYN DRIVE PINNER HA5 2DF
Received 3 Mar 2022 - Approval61421/APP/2024/2854
Construction of a single-storey side extension and two-storey rear extension
4 ALMOND AVENUE ICKENHAM MIDDLESEX
Received 28 Oct 2024 - Approval77104/APP/2023/772
Single storey side extension for use as storage and amendments to fenestration (retrospective)
26A FLOWERS AVENUE EASTCOTE HA4 8GH
Received 15 Mar 2023 - Approval15201/APP/2023/1757
Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end, with new gable end window together with removal of car port (Application for a Certificate of Lawful Development for a Proposed Development)
29 BLOSSOM WAY HILLINGDON
Received 15 Jun 2023 - Approval16674/APP/2022/1732
Erection of a single storey extension to the side and rear
130 SHENLEY AVENUE RUISLIP
Received 27 May 2022 - Refusal76258/APP/2021/931
Ttwo storey side extension, single storey front extension, part two storey, part single storey rear extension and addition of 4 sunlight tunnels
34 FILEY WAYE RUISLIP
Received 10 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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