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 dates25,265Searchable applications
442Recorded as pending
80%Approval rate · 23,504 approved or refused records
4,815Refused applications
18,689 approved · 4,815 refused · 971 withdrawn. Received dates in our records: 7 Feb 2020 to 5 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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/Req56729/APP/2021/1589
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 3.6 metres, and for which the maximum height of the eaves would be 2.6 metres
43 SHEPISTON LANE HAYES MIDDLESEX UB3 1LJ
Received 21 Apr 2021 - Refusal (Appealed)298/APP/2023/366
Erection of two storey rear and first floor side extensions and conversion of roof space to habitable use to include two side dormers.
38 ST GEORGE'S DRIVE ICKENHAM
Received 8 Feb 2023 - Approval4726/APP/2022/3783
Replacement of existing side conservatory to solid masonry construction. Erection of a single storey rear extension to kitchen and a single storey side extension to Tudor room
TUDOR LODGE HOTEL, 50 FIELD END ROAD EASTCOTE PINNER
Received 14 Dec 2022 - Approval4464/TRE/2021/42
To carry out tree surgery including a prune back house side by approx. 2.5-3m One Oak (T1 on application) within area 1 on TPO 398
91 COPSE WOOD WAY NORTHWOOD
Received 19 Feb 2021 - Approval40539/APP/2022/2657
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 with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
85 WIMBORNE AVENUE HAYES
Received 24 Aug 2022 - Approval78242/APP/2023/2504
Erection of a part single storey extension to side and conversion of integral garage to habitable accommodation.
165 WOODLANDS AVENUE RUISLIP HA4 9QX
Received 23 Aug 2023 - Refusal13267/APP/2020/2973
Variation of conditions 2 (Approved Plans) of planning permission ref: 13267/APP/2018/1873 dated 08/08/2018 to include a dormer on the front cat slide roof, alterations to rear dormers and changing glass porch panel to brick wall (Two storey rear extension, porch to front and conversion of roofspace to habitable use, to include raising of ridge, conversion of both sides of roof from hip to gable end, 3 rear dormers and 3 front rooflights)
18 EDINBURGH CLOSE ICKENHAM
Received 17 Sept 2020 - Undecided12886/APP/2026/2165
Erection of a part single part two storey wrap around extension to the side and rear, erection of front porch, roof alteration and associated external alterations, following the demolition of garage and conservatory.
205 HAREFIELD ROAD UXBRIDGE
Received 7 Sept 2026 - Approval76387/APP/2021/2063
Single storey rear extension
5 LINCOLN ROAD NORTHWOOD HA6 1LB
Received 21 May 2021 - Prior Approval N/Req64614/APP/2024/640
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 3.00 metres, and for which the height of the eaves would be 2.80 metres
11 CREST GARDENS RUISLIP MIDDX HA4 9HB
Received 12 Mar 2024 - Approval469/APP/2021/277
Conversion of roofspace to habitable use to include a rear dormer, 2 x juliette balconies, 3 x front rooflights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
PENNY FAYRE, 124 DUCKS HILL ROAD NORTHWOOD
Received 22 Jan 2021 - Approval47008/APP/2020/2256
Single storey side/rear extension
4 ST PETER'S CLOSE RUISLIP
Received 21 Jul 2020 - Withdrawn (P)63329/APP/2021/928
Change of use from offices (Use Class B1a ) to residential use (Use Class C3) to create 37 flats (Application for Prior Approval under Schedule 2, Part 3, Class O of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended)).
5 OTTER HOUSE, COWLEY BUSINESS PARK HIGH STREET COWLEY UXBRIDGE
Received 10 Mar 2021 - Approval51308/APP/2025/2607
Erection of single storey rear and side extension, erection of front porch with the demolition of the outbuilding at the rear.
158 NORTHWOOD WAY NORTHWOOD
Received 8 Oct 2025 - Approval17564/APP/2020/2310
Single storey side/rear extension with pitched roof and conversion of roof space to habitable use to include raising of roof, 3 side dormers and 6 rooflights involving demolition of existing conservatory and alterations to the front elevation.
35 PIELD HEATH AVENUE HILLINGDON
Received 24 Jul 2020 - Refusal13841/APP/2022/241
Erection of gates, brick walls, piers and railings to the front and railings to the side.
13 QUEENS ROAD UXBRIDGE
Received 26 Jan 2022 - Approval64510/APP/2020/4020
Section 73 application to vary Condition 2 of planning permission ref. 64510/APP/2019/1412 dated 19-03-2020 (Application for erection of 2 x 4 bed dwellings with associated landscaping, car parking and ecological area to the rear of the site) to facilitate the relocation of car parking spaces for House A, facilitate changes to hard & soft landscaping for House A, adjust the position of House A by setting the proposed dwelling back 1.5m and set in 0.6m from the previously approved position together with the erection of a close boarded timber fence with 300mm trellis over to the side of House A.
LAND ADJACENT TO WHITEHEATH JUNIOR SCHOOL WHITEHEATH AVENUE RUISLIP
Received 3 Dec 2020 - Approval32959/APP/2023/1758
Erection of a single storey extension to rear.
58 WENTWORTH CRESCENT HAYES
Received 19 Jun 2023 - Prior Approval N/Req58060/APP/2026/552
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 3.19 metres, and for which the height of the eaves would be 2.98 metres.
70 LANSBURY DRIVE HAYES
Received 4 Mar 2026 - Refusal30844/APP/2020/2794
Single storey rear extension
13 WOOD END GREEN ROAD HAYES
Received 2 Sept 2020 - Undecided59541/APP/2026/2235
Erection of a single storey side extension, part double storey first floor rear extension and internal alterations
28 BREAKSPEAR ROAD RUISLIP
Received 18 Sept 2026 - Approval17025/APP/2022/1697
Conversion of roof space to habitable use to include a rear dormer with 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)
56 COLBROOK AVENUE HAYES
Received 25 May 2022 - Refusal73071/APP/2022/2293
Erection of a single storey extension to the side
17 WILTSHIRE LANE EASTCOTE MIDDLESEX HA5 2LH
Received 18 Jul 2022 - Approval59326/APP/2023/41
Erection of a single storey rear extension to replace existing conservatory with roof lights, internal ground floor reconfiguration and amendment to fenestration
4 THE OAKS RUISLIP
Received 6 Jan 2023
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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