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 dates23,174Searchable applications
447Recorded as pending
80%Approval rate · 21,509 approved or refused records
4,250Refused applications
17,259 approved · 4,250 refused · 903 withdrawn. Received dates in our records: 7 Aug 2020 to 5 Oct 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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
- Approval39763/APP/2024/1814
Erection of a single storey detached outbuilding to rear.
147 WOODLANDS AVENUE RUISLIP
Received 8 Jul 2024 - Approval15181/APP/2023/3699
Conversion of the integral garage to habitable accommodation.
24 HAMILTON ROAD COWLEY UXBRIDGE
Received 22 Dec 2023 - Undecided80271/APP/2026/2242
Demolition of rear conservatory and proposed single-storey rear extension; front single-storey extension with pitched roof and covered porch; extension of existing detached garage
32A PARK WAY RUISLIP HA4 8NU
Received 18 Sept 2026 - Approval35493/APP/2022/1422
Erection of a single storey extension to the rear
4A LAWRENCE DRIVE ICKENHAM
Received 11 May 2022 - Approval13906/APP/2022/771
Conversion of roof space to habitable use to include a rear dormer roof extension with 2 front roof lights and conversion of roof from hip to gable end with new gable end window and front porch extension (Application for a Certificate of Lawful Development for a Proposed Development).
23 PEAR TREE AVENUE YIEWSLEY
Received 8 Mar 2022 - Refusal31216/APP/2022/3087
Erection of part single, part two storey side extensions including a first floor side extension and rear garage extension, single storey rear extension together with replacement tiles to existing and proposed roof.
47 THE RIDGEWAY RUISLIP
Received 10 Oct 2022 - Approval9011/APP/2025/2481
Details pursuant to the discharge of Condition 4 (Demolition and Construction Management Plan) of planning permission ref. 9011/APP/2024/3347, dated 27-05-25 (Removal of existing fuel tank/generator equipment (and associated structures and installations) and installation of new replacement generator equipment (including associated flue) and associated works.)
HAREFIELD HOSPITAL HILL END ROAD HAREFIELD MIDDLESEX UB9 6JH
Received 24 Sept 2025 - Approval41574/APP/2026/1288
Details pursuant to the discharge of Condition 2 (Land Restoration) of permission ref. 41574/APP/2021/720, dated 08-09-2021 (Construction of three temporary pedestrian access pontoons with associated fixings, anchoring points and safety rails.)
SAVAY LAKE, MOORHALL ROAD HAREFIELD
Received 22 May 2026 - Prior Approval N/Req73890/APP/2025/3087
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 3.10 metres and height of the eaves would be 2.99 metres.
51 BEVERLEY ROAD RUISLIP MIDDLESEX HA4 9AL
Received 9 Dec 2025 - Objection39707/APP/2021/3769
Out of borough consultation for Buckinghamshire County Council: Construction and operation of a 57MW battery storage facility, landscaping, fencing, and extension and widening of internal site access track.
BUCKINGHAMSHIRE COUNTY COUNCIL OUTBOROUGH MIDDLESEX
Received 1 Oct 2021 - Undecided4730/APP/2025/1989
Change of use of 278b High Street from Dental Surgery (Use Class E) to 1-bedroom studio flat
278b HIGH STREET UXBRIDGE
Received 23 Jul 2025 - Approval77926/APP/2023/2110
Conversion of roof space to habitable use to include a rear dormer, Juliet balcony, new gable end window and 2 x front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
30 ASPEN GROVE EASTCOTE HA5 2NL
Received 17 Jul 2023 - Withdrawn (P)35516/APP/2025/2579
Lawful certificate seeking confirmation continued Class C3 residential use or change of use to C4 House in Multiple Occupation up to six persons. (Application for a Certificate of Lawful Development for a Proposed Development)
32 NORWICH ROAD NORTHWOOD
Received 6 Oct 2025 - Approval21875/APP/2021/1603
Erection of a 2-storey side and rear extension
4 ST CATHERINES ROAD RUISLIP
Received 22 Apr 2021 - Approval6993/APP/2026/531
Erection of a two storey side and part single storey, part two storey rear extension, conversion of garage to habitable use, and erection of extension to outbuilding in rear garden.
19 DULVERTON ROAD RUISLIP
Received 3 Mar 2026 - Approval60332/APP/2022/591
Conversion of roof space to habitable use to include a rear dormer (Application for a Certificate of Lawful Development for a Proposed Development)
33 TORCROSS ROAD RUISLIP MIDDX HA4 OTA
Received 1 Mar 2022 - Approval76678/APP/2021/3156
Erection of single storey rear extension and single storey side extension (Application for a Certificate of Lawful Development for a Proposed Development)
13 HILLIARD ROAD NORTHWOOD HA6 1SQ
Received 17 Aug 2021 - Refusal (Appealed)35338/APP/2024/1664
Proposed change of use from a Residential dwelling (Class C3) to a 6-persons max small HMO (Class C4) (Application for a Certificate of Lawful Development for a Proposed Development)
84 TOLCARNE DRIVE PINNER
Received 24 Jun 2024 - Approval44995/APP/2025/947
Erection of single storey rear extension, amendments to fenestrations including relocation of front entrance door and installation of solar panels to the rear roof slope.
21 MORFORD WAY EASTCOTE RUISLIP
Received 31 Mar 2025 - Approval10355/APP/2025/2941
Erection of a single-storey rear extension
51 HARVEY ROAD NORTHOLT
Received 20 Nov 2025 - Approval77965/APP/2023/1945
Erection of an outbuilding to be used as a summer house for storage
30 TIVERTON ROAD RUISLIP HA4 0BW
Received 4 Jul 2023 - Approval40891/APP/2026/819
Erection of a two storey front extension, erection of a part single storey, part two storey extension to the side and rear. Conversion of roof space to habitable use to include raising roof ridge, rear dormer, 8 roof lights and amendments to fenestration.
33 PARKFIELD ROAD ICKENHAM
Received 30 Mar 2026 - Refusal77106/TRE/2022/41
To carry out tree surgery including a height reduction and crown lift by 2m to One Lawson T18 on TPO 333
15 CHURCH ROAD COWLEY
Received 2 Mar 2022 - Approval78874/ADV/2024/41
Installation of 1no. externally illuminated fascia/portal sign, 1no. externally illuminated sign attached to entrance pillar, 1no. externally illuminated hanging sign.
116 Intu Uxbridge The Chimes Shopping Centre HIGH STREET UXBRIDGE
Received 16 Sept 2024
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.
How to search planning applicationsGuides to planning records
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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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