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 dates27,208Searchable applications
441Recorded as pending
79%Approval rate · 25,360 approved or refused records
5,344Refused applications
20,016 approved · 5,344 refused · 1,024 withdrawn. Received dates in our records: 12 Aug 2019 to 5 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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
- Refusal75927/APP/2020/3209
Conversion of dwelling to 2 x self contained studio flats with associated amenity space
85 JUNIPER WAY HAYES UB3 1LF
Received 6 Oct 2020 - Undecided5588/APP/2026/1911
Conversion of roof space to habitable use to include hip to gable extension, rear dormer with Juliette balcony, 3x front facing rooflights, erection of a part single part double storey rear extension, front porch, addition of render insulation to external walls, and a patio to the rear, all following the demolition of the existing rear garage, front porch and chimney.
15 COLLINS DRIVE RUISLIP
Received 31 Jul 2026 - Approval63157/APP/2021/2786
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 and front porch (Application for a Certificate of Lawful Development for a Proposed Development).
71 HILLSIDE ROAD NORTHWOOD MIDDLESEX HA6 1PZ
Received 15 Jul 2021 - Approval52961/APP/2021/3666
Rear infill extension and enlargement of side extension.
18 EASTFIELDS EASTCOTE
Received 29 Sept 2021 - Approval31438/APP/2024/2591
Conversion of integral garage to habitable accommodation, erection of front porch
20 ELMBRIDGE DRIVE RUISLIP
Received 27 Sept 2024 - Approval73236/APP/2024/2121
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 (Application for a Certificate of Lawful Development for a Proposed Development)
216 NESTLES AVENUE HAYES UB3 4QG
Received 6 Aug 2024 - Approval79053/APP/2024/2566
Conversion of roof space to habitable use to include a rear dormer with, 2 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
41 DALEHAM DRIVE HILLINGDON UB8 3HP
Received 25 Sept 2024 - Approval77439/APP/2022/2387
Erection of a single storey rear extension
59 BRIAR WAY WEST DRAYTON UB7 9AS
Received 27 Jul 2022 - Approval33702/APP/2022/1102
Conversion of roof space to habitable use to include a rear dormer with 2 Juliet balconies and 3 roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
30 HILLSIDE ROAD NORTHWOOD
Received 1 Apr 2022 - Approval22261/APP/2020/633
Single storey outbuilding to rear for use as a gym/games room (Application for a Certificate of Lawful Development for a Proposed Development)
55 HITHERBROOM ROAD HAYES
Received 24 Feb 2020 - No Further Action(P)19637/APP/2019/3695
Retention of 3-metre high wooden boundary fence. Erection of additional 3-metre high boundary fence and 2.3-metre high steel access gate.
LAND AT ST LEONARDS FARM NEWYEARS GREEN LANE HAREFIELD
Received 14 Nov 2019 - Approval75572/APP/2020/3068
Two storey rear extension, part two storey, part single storey side extension, porch to front and conversion of roofspace to habitable use to include raising the ridge height and 2 rear rooflights (Retrospective)
1 WINDRUSH CLOSE ICKENHAM UB10 8EJ
Received 28 Sept 2020 - Approval76215/APP/2021/624
Single storey rear extension including demolition of existing conservatory
9 OAKDENE ROAD HILLINGDON
Received 16 Feb 2021 - Approval5523/APP/2022/93
Erection of single storey rear and front extensions, conversion of garage to habitable use and erection of first floor side extension
9 SANDY LODGE WAY NORTHWOOD
Received 13 Jan 2022 - Withdrawn (P)80195/APP/2026/1856
Change of use from Use Class E (Commercial, Business and Service) to Use Class C3 (Dwellinghouses) with associated cycle and refuse storage, and parking (Application under Class MA, Part 3 of Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended)).
HAYES PARK COTTAGE HAYES END DRIVE HAYES UB4 8EH
Received 22 Jul 2026 - Approval75419/APP/2022/3390
Details pursuant to the discharge of Condition 3 (materials and external surfaces) of planning permission ref. 75419/APP/2022/425, dated 15-06-2022 (Two storey, 4-bed, detached dwelling house involving demolition of existing dwelling, detached outbuilding to rear for use as a cycle store (revised application including changes to hard landscaping, trees and boundary treatments))
29 THE DRIVE NORTHWOOD HA6 1HW
Received 7 Nov 2022 - Approval34710/APP/2024/44
Erection of a single storey extension to side.
75 PARK LANE HAYES
Received 8 Jan 2024 - Approval26453/APP/2023/2977
Variation of Condition 2 (Accordance with approved plans) of planning permission ref. 26453/APP/2023/662, dated 09-05-2023 (Erection of a first floor rear extension, installation of a roof lantern to existing single storey rear extension. Conversion of roof space to habitable use with rear dormer and two front skylights. Removal of existing dummy pitched roof and alterations to roof. Changes to fenestration on front, side and rear elevations) to amend fenestration including 1no rooflight, alterations to porch, additional rear infill and raising roof of utility area (revised description)
4 DOWN BARNS ROAD RUISLIP
Received 13 Oct 2023 - Approval52030/APP/2023/127
Erection of a single storey rear extension and a double storey side extension after demolishing the side attached garage and storage.
14 NORWICH ROAD NORTHWOOD
Received 13 Jan 2023 - Approval74858/APP/2020/1577
Installation of crossover to front and driveway
32 HILLINGDON HILL HILLINGDON MIDDLESEX UB10 OJB
Received 21 May 2020 - Refusal63065/APP/2022/1674
Erection of a first floor side and rear extension
24 FLORISTON AVENUE HILLINGDON
Received 23 May 2022 - Approval78148/APP/2023/2052
Erection of a side extension for use as a storage enclosure.
Leemark Engineering (hayes) Ltd RIGBY LANE HAYES UB3 1ET
Received 11 Jul 2023 - Approval79113/APP/2024/2784
Erection of a single storey front and side extension.
23 BOURTON CLOSE HAYES UB3 3PU
Received 18 Oct 2024 - Approval3658/APP/2021/2816
Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 3 front roof lights and conversion of roof from hip to gable end and front porch (Application for a Certificate of Lawful Development for a Proposed Development)
18 MEADOW VIEW ROAD HAYES
Received 19 Jul 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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