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 dates26,764Searchable applications
441Recorded as pending
79%Approval rate · 24,939 approved or refused records
5,228Refused applications
19,711 approved · 5,228 refused · 1,011 withdrawn. Received dates in our records: 23 Sept 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 Counts reflect the last collected status; some records may be out of date.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
- Approval14200/APP/2023/1260
SINGLE STOREY SIDE EXTENSION & PART SINGLE STOREY REAR EXTENSION WITH NEW PITCH ROOF
21 HIGH ROAD COWLEY UXBRIDGE
Received 28 Apr 2023 - Approval73124/APP/2022/462
Conversion of roof space to habitable use to include a rear dormer roof extension with 3 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development).
25 PARKFIELD CRESCENT RUISLIP MIDDLESEX HA4 0RB
Received 15 Feb 2022 - Approval72997/APP/2022/1175
Erection of a single storey rear extension
87 HAIG ROAD HILLINGDON UB8 3EQ
Received 8 Apr 2022 - Approval23234/APP/2021/2988
Part two storey, part single storey rear extension, first floor side extension, roof extension including an increase to ridge height and dormers to rear, replacement of roof on existing single storey side addition and removal of chimney stack
26 THE BROADWALK NORTHWOOD
Received 2 Aug 2021 - Approval21088/APP/2026/1504
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development).
28 GROSVENOR AVENUE HAYES
Received 17 Jun 2026 - Approval73270/APP/2024/1696
Erection of part two storey, part single storey side/rear extension, single storey side/front extension, conversion of roof space to habitable use to include a rear dormer and 1 front roof light
106 GREENWAY HAYES
Received 27 Jun 2024 - Withdrawn (P)32669/APP/2024/3086
Erection of a new dwellinghouse with associated parking, bin storage, cycle storage and landscaping.
8 CLEVELAND ROAD UXBRIDGE
Received 22 Nov 2024 - Refusal78697/APP/2024/870
Change of use from single dwelling house (Class C3) to HMO for up to 5 residents (Class C4) (Application for a Certificate of Lawful Development for an Existing Development)
19 GREATFIELDS DRIVE HILLINGDON
Received 4 Apr 2024 - Approval35519/APP/2023/125
Single storey rear extension and conversion of roof space to habitable use to include two rear dormers, 4 front roof lights and conversion of roof from hip to half hip and gable end with new gable end windows x 2 (Application for a Certificate of Lawful Development for a Proposed Development)
10 WOODSTOCK DRIVE ICKENHAM
Received 16 Jan 2023 - Approval79377/APP/2025/855
Erection of a single storey wraparound extension to the side and rear, following the removal of 1no. chimney stack.
40 NORTHWOOD WAY NORTHWOOD HA6 1AT
Received 25 Mar 2025 - Approval14289/APP/2024/1706
Erection of an outbuilding to rear garden.
31 BLACKLANDS DRIVE HAYES
Received 27 Jun 2024 - Approval53830/APP/2021/2838
Change the external finish of the property to white render, fenestration changes and installation of new roof light to existing single storey rear extension
31 LAWRENCE DRIVE ICKENHAM
Received 21 Jul 2021 - Approval78270/APP/2023/2642
Erection of a part first floor extension to rear including 1 rear roof flight on each property and 1 side roof light at no. 8. (AMENDED DESCRIPTION)
6&8 ST STEPHENS ROAD YIEWSLEY UB7 7RL
Received 7 Sept 2023 - Prior Approval N/Req17689/APP/2023/2620
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 3.45 metres, and for which the height of the eaves would be 2.52 metres
266 WOODLANDS AVENUE RUISLIP
Received 6 Sept 2023 - Approval76171/APP/2021/3665
Variation of Conditions 2 (Approved Drawings) and 3 (Materials) of planning permission ref. 76171/APP/2021/895 dated 29/04/2021 (Single storey side/rear extension). The variation seeks to brick up side (west) ground floor window; replacement and re-location of side (east) window with door; replace rear window with door; silicone-based k render to side and rear of extension and front of the dwelling (removal of brick) and to the rear of the dwelling ; new front garage door; demolition of chimneys and removal of roof level front wood panels with composite cladding.
2 WHITSTABLE CLOSE RUISLIP
Received 28 Sept 2021 - Approval1298/APP/2021/4191
Erection of a single storey side extension and part first floor rear extension involving demolition of existing conservatory, canopy and shed
29 WARLEY AVENUE HAYES
Received 14 Nov 2021 - Approval30682/APP/2022/3316
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
14 CLAMMAS WAY COWLEY
Received 31 Oct 2022 - Approval79419/ADV/2025/25
Installation of 1no. externally illuminated fascia sign and 1.no exterally-illuminated projecting sign.
W Sherry & Sons 109 VICTORIA ROAD RUISLIP HA4 9BN
Received 3 Apr 2025 - Refusal5861/APP/2025/2723
Extension of roof to hip to gable end on both hipped roofs, addition of front roof light
54 DALE DRIVE HAYES
Received 23 Oct 2025 - Approval41309/APP/2019/3551
Details of materials compliance with condition 5 of planning permission ref: 41309/APP/2019/1265 dated 22/10/2019 (Section 73 application seeking Minor Material Amendments to permission ref. 41309/APP/2016/3391 dated 15/06/17 ( mixed-use redevelopment of the Randalls building (and adjacent buildings) comprising 58 residential units and a total of 750sqm of commercial floorspace).
RANDALLS 7-9 VINE STREET UXBRIDGE
Received 29 Oct 2019 - Approval34987/APP/2022/768
Erection of a single storey extension to the rear and part side
20 GATEWAY CLOSE NORTHWOOD
Received 7 Mar 2022 - Approval4860/APP/2020/354
Installation of external lighting to parking and communal areas (retrospective planning permission sought)
297 LONG LANE HILLINGDON UB10 9JY
Received 3 Feb 2020 - Refusal64130/APP/2021/3558
Part single, part two storey rear extension; first floor side/rear extension and new ground floor rear window
6 CULLERA CLOSE NORTHWOOD HA6 3SE
Received 21 Sept 2021 - Approval42413/APP/2025/2586
Erection of a garage extension, installation of a Pickleball court with associated landscaping, refurbishment of the existing summerhouse, reinstatement of the swimming pool, and erection of a sauna unit and pergola
OLD CLACK FARM TILE KILN LANE HAREFIELD
Received 6 Oct 2025
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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