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 dates22,025Searchable applications
449Recorded as pending
81%Approval rate · 20,411 approved or refused records
3,904Refused applications
16,507 approved · 3,904 refused · 873 withdrawn. Received dates in our records: 3 Nov 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 Counts reflect the last collected status; some records may be out of date.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
- Prior Approval N/Req77874/APP/2023/497
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 for which the height of the eaves would be 3.10 metres
53 COMMONWEALTH AVENUE HAYES UB3 2PN
Received 21 Feb 2023 - Refusal788/APP/2021/251
Single storey side/rear extension.
14 NICHOLLS AVENUE HILLINGDON
Received 21 Jan 2021 - Approval19108/APP/2025/614
Three storey side extension and part two storey and part single storey rear extension to form 1 self-contained apartment and 3 studio flats, demolition of an existing car service centre, extension to ground floor commercial unit, amenity space and associated facilities.
1-2 MARLBOROUGH PARADE UXBRIDGE ROAD HILLINGDON
Received 4 Mar 2025 - Approval46577/APP/2022/1019
Conversion of roof space to habitable use to include sides and rear dormer and 1 side roof light (Application for a Certificate of Lawful Development for a Proposed Development)
70 THE CHASE EASTCOTE PINNER
Received 25 Mar 2022 - Approval49110/APP/2025/2293
Erection of airside cold storage facility.
BUILDING 553 SHOREHAM ROAD EAST HEATHROW AIRPORT
Received 1 Sept 2025 - Refusal (Appealed)1058/APP/2024/1013
Variation of Condition 2 (Accordance with Approved Plans) of planning permission ref. 1058/APP/2021/3423, dated 08-09-2023 (Demolition of the public house (Sui Generis) and erection of purpose-built student accommodation (Sui Generis) and associated common areas and facilities, landscaping, amenity space, bicycle and motorcycle parking, and refuse storage) to make design changes, remove affordable student accommodation from the development and replace it with market rent student accommodation.
PADDINGTON PACKET BOAT PUBLIC HOUSE HIGH ROAD COWLEY UXBRIDGE
Received 18 Apr 2024 - Refusal53068/APP/2021/99
Single storey rear extension, side infill extension, removal of chimneys and conversion of roofspace to habitable use to include a rear dormer, 3 front rooflights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
27 BOLDMERE ROAD EASTCOTE
Received 11 Jan 2021 - Approval2297/APP/2022/556
Details pursuant to Conditions 6 (Arboricultural Method Statement), 11 (Construction Compound) and 13 (Demolition and Construction Management Plan) of planning permission reference: 2297/APP/2021/2704, dated 17-09-2021, for extensions, remodelling and refurbishment of the existing nursery, infant and junior schools.
MINET JUNIOR SCHOOL AVONDALE DRIVE HAYES
Received 21 Feb 2022 - Approval74062/APP/2023/483
Erection of a single storey rear extension, front porch and conversion of garage to habitable space including changes to fenestration
Cotswold HIGH ROAD EASTCOTE HA5 2HJ
Received 20 Feb 2023 - Approval1400/APP/2021/719
Single storey rear extension, first floor side extension and addition of front dormer and enlargement of a rear dormer together with the creation of secondary raised patio
29 KESWICK GARDENS RUISLIP
Received 23 Feb 2021 - Prior Approval N/Req69709/APP/2021/472
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 3 metres.
668 FIELD END ROAD RUISLIP HA4 0QR
Received 5 Feb 2021 - Approval46479/APP/2023/964
Details pursuant to the discharge of Conditions 3 (materials), 6 (landscape scheme), 8 (step free access) and 9 (sustainable water management) of planning permission ref. 46479/APP/2021/2039, dated 20-05-2021 (Variation of Condition 2 (Approved Plans) of planning permission ref. 46479/APP/2020/3055 dated 28/01/2021 (and as amended under planning ref: 46479/APP/2021/1461) (Replacement of existing buildings with a 2.5 storey building comprising self-contained flats, parking, landscaping works and widening of vehicular crossover to front) (Revised description approved under non-material amendment application number 46479/APP/2021/1209 dated 12/04/21))
25 DENE ROAD NORTHWOOD
Received 31 Mar 2023 - Approval46466/APP/2025/2277
Erection of an outbuilding to rear garden.
43 LOTHIAN AVENUE HAYES
Received 28 Aug 2025 - Prior Approval N/Req78042/APP/2023/1431
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 3.72 metres, and for which the height of the eaves would be 2.50 metres.
12 CLOVELLY CLOSE ICKENHAM UB10 8PT
Received 17 May 2023 - Approval78935/APP/2026/483
Details pursuant to the discharge of Conditions 7 (Overheating), 8 (Privacy Screen, upper landing), 9 (Flat 3 Terrace Screen) and 11 (Entrance Door) ref. 78935/APP/2025/2287, dated 16-01-2026 (Creation of 5no. self-contained flats with associated cycle and bin storage, following the change of use of first floor from office (Class E) to residential (Class C3), the erection of a two storey rear extension and alterations to rear building at first floor level and the retention and reconfiguration of the Class E unit at ground floor level with alterations to fenestration.)
82-84 HIGH STREET RUISLIP HA4 7AB
Received 24 Feb 2026 - Approval39670/APP/2023/2660
Erection of a single storey rear extension and a two storey side extension following the demolition of existing side extension
7 HASTOE CLOSE HAYES
Received 11 Sept 2023 - Undecided72670/APP/2025/2803
Erection of a single storey outbuilding to rear garden
148 WINDSOR AVENUE HILLINGDON UB10 9BD
Received 4 Nov 2025 - Approval75525/APP/2024/3047
Demolition of existing rear storage extension and construction of replacement rear storage extension
47 SWAKELEYS ROAD ICKENHAM UB10 8DG
Received 18 Nov 2024 - Approval76405/APP/2021/1758
Conversion of roof space to habitable use to include a rear dormer and 3 front rooflights (Application for a Certificate of Lawful Development for a Proposed Development)
28 KENILWORTH GARDENS HAYES UB4 0AY
Received 30 Apr 2021 - Refusal (Appealed)12529/APP/2024/682
Partially retrospective application for the installation of insulating render to the external walls with amendments to fenestration (revised plans and description)
18 IVY HOUSE ROAD ICKENHAM
Received 14 Mar 2024 - Approval11831/APP/2022/3864
Erection of a single storey side and rear extension and part first floor rear extension with alterations to fenestration
38 KEITH ROAD HAYES
Received 21 Dec 2022 - Approval50099/APP/2022/3714
Erection of a single storey rear extension to ground floor flat
4 DUNEDIN WAY HAYES
Received 7 Dec 2022 - Approval55144/APP/2023/754
Erection of a single storey side to rear extension, new roof over side extension, external render on rear, first floor side and part front extension.
23 CHANDOS ROAD EASTCOTE
Received 13 Mar 2023 - Approval17604/APP/2021/3925
Conversion of roofspace to habitable use to include a hip to gable extension, rear dormer, 3x front rooflights, Juliette balcony together with conversion of garage into a habitable room (Application for a Certificate of Lawful Development for a Proposed Development).
2 ST MARTINS APPROACH RUISLIP
Received 21 Oct 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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