Planning application
25/06303/P3JPA
Carrington House Hertford Street London W1J 7RG
Proposal
Notification for Prior Approval for the change of use of Flat 110 on the First Floor of Carrington House from its current office use to a 2 bed residential apartment under the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) Schedule 2, Part 3, Class MA.
As published by the council, reference 25/06303/P3JPA
Timeline
Dates from the published record
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4 Sep 2025
Received by Westminster
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27 Oct 2025
Decision issued: Prior Approval Refused
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21 Jul 2026
Added to PlanIndex
What refusal means
The process from here
The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.
Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.
About prior approval applications
How this application type works
Prior approval applications arise where permitted development rights already grant the principle of the work, such as larger home extensions, changes of use to housing or agricultural buildings. The council may only consider the specific matters set out in the rules, for example transport, flooding or appearance, and in many classes the work may proceed if the council does not respond within the deadline, commonly 56 days.
Nearby applications
Within 500 metres
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13/03910/FULL Granted
Carrington House 6 Hertford Street London W1J 7RE
Variation of Conditions 1, 10, 11 and 17 of planning permission dated 13 October 2011 (RN:11/05288) for use of basement, part ground and part first floors to provide three residential units (1x studio, 1x1 bed and 1x2 bed) (Class C3), private members gymnasium (Class D2), office space (Class B1) and floorspace for use ancillary to a private members' club at 5 Hertford Street (sui generis) and associated works including two storey extension at basement and ground floors to the rear of the building; namely to amend the ancillary floorspace to be private premises club to comprise staff facilities, wine cellar, cigar store and new cold food preparation area and amended servicing hours and management plan.
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26/03026/FULL Awaiting decision
Flat 4 Carrington House Hertford Street London W1J 7RG
Installation of replacement existing single glazed steel windows with double glazed steel windows and doors to match to Flats 4,8 and 503.
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25/06067/FULL Granted
7 Hertford Street London W1J 7RH
Erection of sixth floor/loft extension; external alterations including the addition of a dormer; relocation of mechanical plant into a newly enclosed room at rooftop level; and associated works (Class C3).
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26/02670/FULL Awaiting decision
12 - 14 Shepherd Street London W1J 7JF
Proposed use of part of the adjoining forecourt to form an outside customer seating area with timber decking and enclosure and planters Use of an area of the public highway and part of the adjoining forecourt measuring 1.45m X 1.535m for the placing of 5 chairs, two tables, enclosure and planters in connection with the existing ground floor use.
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25/05408/NMA Granted
51 - 53 Brick Street London
Amendment to planning permission dated 30th September 2024 (RN 24/01101/FULL) for the Variation of conditions 1, 13, 21, 22, 33, 34, 44, 45 and 47 of planning permission dated 18 February 2021 (RN:21/04717/FULL) for, 'Demolition of existing buildings on site and redevelopment to provide up to 30 residential units (Class C3), office floorspace (Class E1(g)), gymnasium (Class E(d)), restaurant (Class E(b)) and retail (Class E(a)) floorspace; creation of a new pedestrian link through the site between Yarmouth Place and Carrington Street; erection of buildings either side of the new pedestrian link between 4 and 8 storeys in height, excavation to create additional basement accommodation, provision of on-site car parking, cycle parking and delivery bay on Yarmouth Place, new landscaping including improvement works to Yarmouth Place associated alterations'.; NAMELY, to enable a reduction in the height of boundary wall and associated detailing; elevational alterations (including reconfiguration of doors and windows, metal flashing and wall-mounted services) and internal layout amendments.
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26/01177/FULL Awaiting decision
5 Market Mews London W1J 7BY
Variation of condition 1 of planning permission dated 18 Ocober 2024 (RN: 24/03443/FULL) for, 'Erection of a mansard roof extension at third floor level and a domestic lift to the rear of the mews house, and associated works'; NAMELY, to enable the omission of lift, the addition of three velux windows to the new mansard roof, replace the windows to aluminium frame windows and install brick slips over the existing render finish to the front elevation
Other prior approval applications
In Westminster
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26/04929/P3JPA Awaiting decision
8 - 10 Hallam Street London W1W 6JE
Application for Prior Approval under Class MA, Part 3 of Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the conversion of the existing office accommodation (Class E) to provide 6 residential dwellings.
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26/03606/DPAD Awaiting decision
6 Crompton Street London W2 1ND
Demolition of the main building down to the ground floor and retain and cap off the existing basement; demolition of external garages and the boundary walls retained; and new boundary wall or fencing.
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26/03580/P3JPA Awaiting decision
Leconfield House Curzon Street London W1J 5JA
Prior approval for change of use from commercial (Class E) to residential (Class 3) at Leconfield House, Curzon Street under Schedule 2, Part 3, Class MA (Commercial, business and service to dwelling houses).
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26/01145/P3JPA Granted
Stone House 9 Weymouth Street London W1W 6DB
Change of use of ground floor of 9 Weymouth Street, a Commercial, Business, Services (Use Class E) to Dwellinghouses (Use Class C3) Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) under Schedule 2, Part 3, Class MA (Commercial, business and service to dwelling houses).
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26/02098/P3JPA Awaiting decision
44 Ebury Mews East London SW1W 9QA
Notification for Prior Approval under Class MA, Part 3 of Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the conversion of the existing office accommodation (Class E) to provide one residential dwelling.