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 dates20,751Searchable applications
448Recorded as pending
81%Approval rate · 19,191 approved or refused records
3,577Refused applications
15,614 approved · 3,577 refused · 841 withdrawn. Received dates in our records: 12 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 Counts reflect the last collected status; some records may be out of date.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
- Refusal24469/APP/2021/4075
Change of use from 6 room HMO (Use Class C4) to 8 room HMO (Sui Generis), including the provision of car parking, amenity space and refuse/cycle storage and associated works.
46 BATH ROAD HARLINGTON
Received 3 Nov 2021 - Approval31611/APP/2025/3201
Details pursuant to the discharge of Conditions 3 (Landscaping Scheme) of planning permission ref. 31611/APP/2020/801, dated 11-06-20 (Conversion of dwelling house into 2 x 2 bed self contained flats)
46 PEAR TREE AVENUE YIEWSLEY
Received 18 Dec 2025 - Approval77146/APP/2025/1617
Details pursuant to the partial discharge of Condition 6 (part (i) a-c) of planning permission ref. 77146/APP/2023/3464 dated 19-01-2024 (Demolition of existing building and construction of a 3.no storey building to provide 9 units for supported living accommodation (retention of C2 use class)
15 MULBERRY PARADE WEST DRAYTON UB7 9AE
Received 10 Jun 2025 - Approval80070/APP/2026/1178
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 (Application for a Certificate of Lawful Development for a Proposed Development)
27 LODGE CLOSE COWLEY UB8 2ES
Received 12 May 2026 - Approval77545/APP/2023/357
Erection of single storey extension to the side.
82 HAIG ROAD HILLINGDON UB8 3EG
Received 26 Jan 2023 - Approval42600/APP/2022/2560
Demolition and replacement of the existing detached two storey dwelling, with 1 no. detached dwelling, retention of existing access points and associated ancillary works
55 COPSE WOOD WAY NORTHWOOD
Received 15 Aug 2022 - Refusal63953/APP/2023/2488
Conversion of roof space to habitable use to include a rear dormer, 3 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)
29 HAWTHORNE AVENUE EASTCOTE
Received 21 Aug 2023 - Prior Approval N/Req35842/APP/2023/250
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 3.40 metres, and for which the height of the eaves would be 2.90 metres
50 BELMORE AVENUE HAYES
Received 26 Jan 2023 - Approval4058/APP/2024/587
External air conditioning plant within a timber enclosure, replacement of external ramp, repair and restoration of windows throughout and installation of secondary glazing, replacement of damaged windows and doors, repairs and application of render and external vents, removal of non-original roof light and infill of roof opening. Internal reconfiguration and alterations including the removal and installation of partition walls, replacement of doors, removal and replacement of floor finishes, removal and replacement of suspended ceilings, along with other associated works. Erection of an external bin store along with a new footpath and associated landscaping.
THE FURZE HILLINGDON HOSPITAL PIELD HEATH ROAD HILLINGDON UB8 3NN
Received 5 Mar 2024 - Approval77021/ADV/2022/9
Installation of 1 x non-illuminated sponsorship sign
Land at Swakeleys roundabout PARK ROAD UXBRIDGE UB10 8DA
Received 25 Jan 2022 - Approval16329/APP/2026/1523
Conversion of roof space to habitable use to include hip to gable extension, rear dormer, gable end window, 2x front roof lights, and an outbuilding to the rear garden (Application for a Certification of Lawful Development for a Proposed Development)
10 WESTFIELD WAY RUISLIP
Received 18 Jun 2026 - Approval7439/APP/2025/2124
Variation of Condition 2 (approved plans) of planning permission ref. 7439/APP/2023/2963, dated 07-12-23 (Erection of part single, part double storey rear extensions and a double storey side extension, including the demolition of existing garage and amendment to fenestration) to amend the roof profile, and rear elevations to increase the width at first floor level and addition of a Juliette balcony. Changes to fenestrations including adjustments to window and door sizes on the rear elevation; and the addition of x2 windows and x1 door to side elevation (retrospective application).
37 BRIAR WAY WEST DRAYTON
Received 6 Aug 2025 - Prior Approval N/Req57325/APP/2023/2010
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 3.80 metres, and for which the height of the eaves would be 2.75 metres
26 HILLINGDON HILL HILLINGDON MIDDLESEX
Received 10 Jul 2023 - Approval7805/APP/2022/2619
Erection of a first floor side and rear extension with internal alterations to create an additional 1 x 3-bed dwelling
80 LIME GROVE RUISLIP
Received 19 Aug 2022 - Refusal74770/APP/2026/1249
Conversion of roof space to habitable, 2 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
95 HALSWAY HAYES UB3 3JU
Received 19 May 2026 - Approval44070/APP/2021/1211
Conversion of roof space to habitable use to include a rear dormer and 2 front rooflights (Application for a Certificate of Lawful Development for a Proposed Development)
30 SAVOY AVENUE HAYES
Received 25 Mar 2021 - Undecided77070/APP/2024/3269
Provision of a temporary car park.
LAND AT MOORCROFT LANE PIELD HEATH ROAD HILLINGDON
Received 13 Dec 2024 - Approval12933/APP/2021/3054
Details pursuant to condition 8 (SUDS) of planning consent ref 12933/APP/2020/1023 (Demolition of the existing Block B (including basement plant room, adjacent canopies and water tower) and the erection of a new 1974sqm two storey school building including associated access and two free standing canopies. AMENDED PLANS 26/06/20)
QUEENSMEAD SCHOOL QUEENS WALK RUISLIP HA4 0LS
Received 5 Aug 2021 - Approval38421/APP/2024/2724
Details pursuant to the partial discharge of Conditions 12 (Green Walls and Roofs - Phase 1 Only) and 27 (Fire Statement - Phase 1 Only) of planning permission ref. 38421/APP/2021/4045 dated 25-11-2022 (Redevelopment of the site to deliver data centre campus including: two data centre buildings (Use Class B8); associated energy and electricity infrastructure, buildings, and plant; security gatehouse, systems and enclosures; works to the highway, car parking and cycle parking; hard and soft landscaping; as well as associated infrastructure, ancillary office use, and associated external works).
LAND AT TUDOR WORKS BEACONSFIELD ROAD HAYES
Received 11 Oct 2024 - Approval54242/APP/2022/3367
Erection of a part single/part two storey front extension and part single/part two storey rear extension following demolition of existing garage
14 BROOKDENE DRIVE NORTHWOOD
Received 4 Nov 2022 - Approval34999/APP/2021/2337
Conversion of roof space to habitable use to include a rear dormer, conversion of both sides of roof from hip to gable end, single storey side extensions (following demolition of existing extensions), single storey rear extension and installation of ground floor side window (Application for a Certificate of Lawful Development for a Proposed Development)
3 WEST WAY RUISLIP
Received 9 Jun 2021 - Approval78574/APP/2024/380
Erection of a single storey extension to rear and side.
7 EASTHOLME HAYES UB3 2HZ
Received 14 Feb 2024 - Approval8856/APP/2022/3754
Relocation of existing field access on Joel Street; lifting of existing area of hardstanding; and formation of a vehicular track to the existing farm building on site.
JOEL STREET FARM JOEL STREET NORTHWOOD
Received 12 Dec 2022 - Refusal54986/APP/2024/3032
Details pursuant to the discharge of Condition 12 (Contamination) of planning permission ref. 54986/APP/2023/3718, dated 06-06-2024 (Erection of an additional detached three-bedroom dwelling with associated parking, cycle and bin storage following part demolition of the existing dwelling and garage. Alterations to the existing dwelling to include a single storey rear extension, conversion of roof space to habitable use involving the construction of a rear dormer roof extension and amendments to fenestration to accommodate two three-bedroom dwellings within the site.)
67 PINKWELL LANE HAYES MIDDLESEX UB3 1PJ
Received 15 Nov 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.
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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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