Planning application
121 ADELPHI CRESCENT HAYES UB4 8NA
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Application for a Certificate of Lawfulness for Use of a single dwellinghouse (Use Class C3) as a House in Multiple Occupation (HMO) (Use Class C4) (Application for a Certificate of Lawful Development for an Existing Use)
As published by the council, reference 76456/APP/2026/2093
Application record
- Reference
- 76456/APP/2026/2093
- Status
- Undecided
- Received
- 25 Aug 2026
- Validated
- 25 Aug 2026
- Postcode
- UB4 8NA
Site history
Applications at this address on the Hillingdon register
This site has had 2 applications since 2021: 1 approved, 0 refused.
-
76456/APP/2021/2023 Granted
121 ADELPHI CRESCENT HAYES UB4 8NA
Single storey rear extension
Timeline
Dates from the published record
-
25 Aug 2026
Received by Hillingdon
-
8 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 20 October 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 58 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 58 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.
Nearby applications
Within 500 metres
-
121 ADELPHI CRESCENT HAYES UB4 8NA
Single storey rear extension
Granted Full applications Extension 7 docsSmall domestic -
301 LANSBURY DRIVE HAYES UB4 8RZ
Retention of a front porch and canopy structure (Retrospective application)
Refused Full applications Extension 11 docsSmall domestic -
301 LANSBURY DRIVE HAYES UB4 8RZ
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)
Granted Full applications Loft or dormer Windows or glazing 7 docs -
4 KENMORE CRESCENT HAYES UB4 8NU
Erection of a single storey wrap around extension to the front, side and rear
Granted Full applications Extension 5 docsSmall domestic -
330 LANSBURY DRIVE HAYES UB4 8SW
Change of use from a dwellinghouse (Use Class C3) to a 6 person HMO (Use Class C4) (Application for a Certificate of Lawful Development for a Proposed Development).
Granted Full applications 8 docsDomestic -
334 LANSBURY DRIVE HAYES UB4 8SW
Single storey rear extension and 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
Refused Full applications Extension Loft or dormer 19 docsSmall domestic