Planning application
55 YORK ROAD NORTHWOOD
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Confirmation of existing use of the upper floors (first floor and loft floor) as a small House in Multiple Occupation (Use Class C4), comprising five en-suite bedrooms sharing a communal kitchen. The lawful C4 use was established on 10 December 2025, prior to the Article 4 Direction coming into force on 11 December 2025. This application relates to the upper floors only (Application for a Certificate of Lawful Development for an Existing Development)
As published by the council, reference 53688/APP/2026/2423
Application record
- Reference
- 53688/APP/2026/2423
- Status
- Undecided
- Received
- 15 Oct 2026
Site history
Applications at this address on the Hillingdon register
This site has had 5 applications since 2024: 1 approved, 2 refused.
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53688/APP/2026/1529 Refused
55 YORK ROAD NORTHWOOD
Existing use of first and loft floors as a House in Multiple Occupation (Use Class C4) prior to the borough wide Article 4 Direction coming into force on the 11 December 2025 (Application for a Certificate of Lawful Development for an Existing Use)
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53688/APP/2026/1462 Awaiting decision
55 YORK ROAD NORTHWOOD
Erection of a single storey rear extension following demolition of existing rear extension (Retrospective), and change of use from small HMO (Class C4) to mixed use ground floor flat (Class C3) and upper floors small HMO (Class C4) including associated amenity, refuse and cycle storage (Proposed) (Part-Retrospective Planning Application)
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53688/APP/2026/225 Refused
55 YORK ROAD NORTHWOOD
Demolition of the existing rear extension and construction of a new single-storey rear extension (retrospective), and change of use from a Class C4 small HMO to an 8-unit HMO (Sui Generis) (proposed), including associated parking, amenity, refuse and cycle storage.
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53688/APP/2024/2804 Granted
55 YORK ROAD NORTHWOOD
Conversion of roof space to habitable use to include a rear dormer and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
Timeline
Dates from the published record
-
15 Oct 2026
Received by Hillingdon
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28 Oct 2026
Added to PlanIndex
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Decision
Awaiting decision
Decision expected by 10 December 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Hillingdon took a median of 57 days over the applications it decided in the last year.
What happens while it is decided
This application is with Hillingdon for determination, against a statutory target of eight weeks. Over the last year Hillingdon's median decision took 57 days. More in our guide to how long planning decisions take.
About this record
The published feed does not state which type of application this is; the register entry on Hillingdon's portal will say. Our guide explains the common types.