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 dates25,552Searchable applications
442Recorded as pending
79%Approval rate · 23,780 approved or refused records
4,884Refused applications
18,896 approved · 4,884 refused · 979 withdrawn. Received dates in our records: 15 Jan 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 Counts reflect the last collected status; some records may be out of date.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
- Approval50632/APP/2023/2293
Erection of first floor extension to side and alterations to dormer materials, increase in ridge height. Erection of a front porch and amendments to fenestration.
20A FRITHWOOD AVENUE NORTHWOOD
Received 2 Aug 2023 - Withdrawn (P)30632/APP/2021/459
Non material for planning permission 30632/APP/2019/1953 dated 18/10/2019 to increase in height of bi-fold doors in kitchen area, additional window in side of kitchen, removal of window above sink in kitchen area, increase in size of the window in the pitched loft dormer, and addition of false garage on right-hand side to bring appearance closer to that of the original dwelling
57 LONG LANE ICKENHAM
Received 5 Feb 2021 - Approval49864/APP/2025/523
Installation of an Air Source Heat Pump on roof level.
CITY OF LONDON HEATHROW ANIMAL CENTRE 748 BEACON ROAD HEATHROW AIRPORT TW6 3JF
Received 27 Feb 2025 - Approval76643/APP/2021/2961
Change of use from Offices to 36 residential flats (Use Class C3) (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))
Musgrave House, Widewater Place MOORHALL ROAD HAREFIELD UB9 6NS
Received 29 Jul 2021 - Approval17412/APP/2021/4262
Demolition of existing detached garage and erection of a replacement detached garage (retrospective)
43 SWEETCROFT LANE HILLINGDON
Received 18 Nov 2021 - Approval13272/APP/2020/1327
Conversion of roof space to habitable use to include two rear dormers, 3 front roof lights and conversion of both sides of roof from hip to gable end and single storey detached outbuilding to rear of property for use as gym/storage (Application for a Certificate of Lawful Development for a Proposed Development)
24 SWEETCROFT LANE HILLINGDON
Received 27 Apr 2020 - Approval7772/APP/2023/3029
Details pursuant to the discharge of Conditions 6 (windows and doors) and 12 (conservation roof lights) of planning permission ref. 7772/APP/2021/4495, dated 20-06-2022 (Refurbishment of existing Hotel including two storey side extension, two storey purpose built accommodation units, basement, outdoor amenity space, refuse areas, access alterations with new gate, plant room, cafe and associated parking and external alterations)
FOUNTAIN HOUSE HOTEL, 116-118 CHURCH ROAD HAYES
Received 18 Oct 2023 - Prior Approval N/Req77921/APP/2023/796
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 3.54 metres, and for which the height of the eaves would be 2.40 metres
29 LAVENDER ROAD HILLINGDON UB8 3PZ
Received 16 Mar 2023 - Approval40455/APP/2022/1854
Two storey side extension; two storey rear extension; rear dormer roof extension including conversion into habitable space and rooflights and ground and first floor side windows.
1A RAVENSWOOD PARK NORTHWOOD
Received 8 Jun 2022 - Refusal (Appealed)38328/APP/2020/3166
Part two storey, part single storey rear extension, installation of rear dormer window and raising of height of existing single storey side extension with addition of glass roof
9 PEPYS CLOSE ICKENHAM
Received 6 Oct 2020 - Approval27446/APP/2023/1873
Erection of a single storey rear infill extension with amendments to fenestration.
89 PARK ROAD UXBRIDGE
Received 27 Jun 2023 - Approval46309/APP/2023/1753
Erection of a 2-bedroom end-of-terrace dwelling and single storey rear extension to existing dwelling.
24 WHEATLEY CRESCENT HAYES
Received 16 Jun 2023 - Approval46114/APP/2021/4328
Replacement single storey rear extension involving the retention of foundations and dwarf walls
16 THE AVENUE ICKENHAM
Received 24 Nov 2021 - Refusal38285/APP/2022/3579
Demolition of the existing garages and erection of a two-bed bungalow on site with associated parking, bicycle storage and garden.
Garages Rear of ROCKINGHAM PARADE UXBRIDGE UB8 2UW
Received 23 Nov 2022 - Refusal33218/APP/2021/1665
First floor rear extension
5 BAXTER CLOSE HILLINGDON
Received 26 Apr 2021 - Refusal32265/APP/2021/2341
Conversion of existing Retail Unit to create 2 x 1-bed apartments (Class C3) under Class M of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended)
78 HIGH STREET NORTHWOOD
Received 10 Jun 2021 - Approval18399/APP/2026/586
Additional access into the site at the front, with widening of the existing access road with fencing; erection of a canopy and welfare unit to the front; lowered concrete yard area with 3 x dock doors and wheel guides; 1 x level loading door; installation of fencing and bollards, and an additional waste area
UNIT B Prologis Park STOCKLEY ROAD WEST DRAYTON UB7 9FN
Received 6 Mar 2026 - Approval17312/TRE/2025/24
TPO 647 T1 & T2 Oak crown reduction up to 4m.
1 THE AVENUE ICKENHAM
Received 22 Jan 2025 - Withdrawn (P)76034/APP/2022/2004
Conversion of a single dwelling into two flats (Application for a Certificate of Lawful Development for an Existing Use)
96 BOURNE AVENUE HAYES UB3 1QP
Received 23 Jun 2022 - Refusal65475/APP/2022/1066
Conversion into 2 no. self-contained flats (2-bed 4-person and 2-bed 3-person)
31 SHAKESPEARE AVENUE HAYES MIDDLESEX UB4 0BB
Received 30 Mar 2022 - Approval10522/APP/2023/2053
Erection of single storey rear extension. Erection of front extension with new front porch and amendments to fenestration.
3 HILLSIDE ROAD NORTHWOOD
Received 11 Jul 2023 - Approval29179/APP/2026/1883
Erection of a single storey extension to the side/rear, erection of a first floor extension to the rear
32 BARNHILL ROAD HAYES
Received 29 Jul 2026 - Approval77878/APP/2023/533
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 and removal of chimney stack. (Application for a Certificate of Lawful Development for a Proposed Development).
77 CHAPEL LANE HILLINGDON UB8 3DR
Received 23 Feb 2023 - Approval63838/APP/2021/480
Single storey side/rear extension
15 RUSHDENE ROAD EASTCOTE
Received 6 Feb 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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