Planning application
1 Marylebone Road London NW1 4AQ
Relates to 26/04428/FULL
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Installation of staircase to the external lower ground entrance on the eastern side of the building and removal of adjacent metal railings and reinstatement of stone plinth (retrospective application) (Linked to 26/04428/FULL)
As published by the council, reference 26/04429/LBC
Application record
- Reference
- 26/04429/LBC
- Category
- Heritage and listed buildings
- Status
- Pending
- Received
- 3 Jul 2026
- Validated
- 3 Jul 2026
- Postcode
- NW1 4AQ
Site history
Applications at this address on the Westminster register
This site has had 11 applications since 2026: 1 approved, 0 refused.
-
26/06161/ADFULL Decided
1 Marylebone Road London NW1 4AQ
Detailed drawings and sample of Stone (with quarry specification) for plinth, showing material and finish to match existing historic plinth; Section details of plinth, its depth, railing details and method of fixing them to plinth; pursuant to condition 3 (part 1 and 2) of planning permission dated 18th August 2026 (26/04428/FULL)
-
26/06135/ADLBC Decided
1 Marylebone Road London NW1 4AQ
Detailed drawings and sample of the Stone (with quarry specification) for plinth, showing material and finish to match existing historic plinth and section details of plinth and railings and method of fixing to plinth pursuant to condition 3 of listed building dated 18th August 2026 (RN:26/04429/LBC)
-
26/04428/FULL Awaiting decision
1 Marylebone Road London NW1 4AQ
Installation of staircase to the external lower ground entrance on the eastern side of the building and removal of adjacent metal railings and reinstatement of stone plinth (retrospective application). (Linked to 26/04429/LBC)
-
26/01331/FULL Awaiting decision
1 Marylebone Road London NW1 4AQ
Installation of staircase to the external lower ground entrance on the eastern side of the building and removal of adjacent metal railings and stone plinth (retrospective application). [Linked with 26/01332/LBC].
-
26/01332/LBC Awaiting decision
1 Marylebone Road London NW1 4AQ
Installation of staircase to the external lower ground entrance on the eastern side of the building and removal of adjacent metal railings and stone plinth (retrospective application). [Linked with 26/01331/FULL].
-
26/01333/FULL Awaiting decision
1 Marylebone Road London NW1 4AQ
Installation of CCTV camera and door entry pad to the lower ground crypt entrance on the eastern side of the building (retrospective application). [Linked with 26/01334/LBC].
-
26/01336/LBC Awaiting decision
1 Marylebone Road London NW1 4AQ
Installation of two air-conditioning units close to the western stair fire-escape exit to the lower-ground within louvred enclosures (retrospective application). [Linked with 26/01335/FULL].
-
26/01335/FULL Awaiting decision
1 Marylebone Road London NW1 4AQ
Installation of two air-conditioning units close to the western stair fire-escape exit to the lower-ground within louvred enclosures (retrospective application). [Linked with 26/01336/LBC].
-
26/01334/LBC Awaiting decision
1 Marylebone Road London NW1 4AQ
Installation of CCTV camera and door entry pad to the lower ground crypt entrance on the eastern side of the building (retrospective application). [Linked with 26/01333/FULL].
-
26/00568/FULL Granted
1 Marylebone Road London NW1 4AQ
Installation of gates within the existing railings fronting Osnaburgh Street
Timeline
Dates from the published record
-
3 Jul 2026
Received by Westminster
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 28 August 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 91 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
-
26/04428/FULL Awaiting decision
1 Marylebone Road London NW1 4AQ
Installation of staircase to the external lower ground entrance on the eastern side of the building and removal of adjacent metal railings and reinstatement of stone plinth (retrospective application). (Linked to 26/04429/LBC)
2 later applications on the register refer to this one:
-
26/06135/ADLBC Decided
1 Marylebone Road London NW1 4AQ
Detailed drawings and sample of the Stone (with quarry specification) for plinth, showing material and finish to match existing historic plinth and section details of plinth and railings and method of fixing to plinth pursuant to condition 3 of listed building dated 18th August 2026 (RN:26/04429/LBC)
-
26/04428/FULL Awaiting decision
1 Marylebone Road London NW1 4AQ
Installation of staircase to the external lower ground entrance on the eastern side of the building and removal of adjacent metal railings and reinstatement of stone plinth (retrospective application). (Linked to 26/04429/LBC)
What happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 119 days. More in our guide to how long planning decisions take.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
1 Marylebone Road London NW1 4AQ
88% historically approved · decision due ~28 Aug
Installation of staircase to the external lower ground entrance on the eastern side of the building and removal of adjacent metal railings and reinstatement of stone plinth (retrospective application). (Linked to 26/04429/LBC)
Awaiting decision Full applications -
1 Marylebone Road London NW1 4AQ
88% historically approved · decision due ~28 Apr
Installation of CCTV camera and door entry pad to the lower ground crypt entrance on the eastern side of the building (retrospective application). [Linked with 26/01334/LBC].
Awaiting decision Full applications 10 docs -
1 Marylebone Road London NW1 4AQ
90% historically approved · decision due ~28 Apr
Installation of two air-conditioning units close to the western stair fire-escape exit to the lower-ground within louvred enclosures (retrospective application). [Linked with 26/01335/FULL].
Awaiting decision Heritage and listed buildings 8 docs -
1 Marylebone Road London NW1 4AQ
88% historically approved · decision due ~28 Apr
Installation of two air-conditioning units close to the western stair fire-escape exit to the lower-ground within louvred enclosures (retrospective application). [Linked with 26/01336/LBC].
Awaiting decision Full applications 7 docs -
1 Marylebone Road London NW1 4AQ
90% historically approved · decision due ~28 Apr
Installation of CCTV camera and door entry pad to the lower ground crypt entrance on the eastern side of the building (retrospective application). [Linked with 26/01333/FULL].
Awaiting decision Heritage and listed buildings 10 docs -
1 Marylebone Road London NW1 4AQ
89% historically approved · decision due ~4 Nov
Detailed drawings and sample of Stone (with quarry specification) for plinth, showing material and finish to match existing historic plinth; Section details of plinth, its depth, railing details and method of fixing them to plinth; pursuant to condition 3 (part 1 and 2) of planning permission dated 18th August 2026 (26/04428/FULL)
Decided
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