Planning application
25/07597/NMA
17 - 19 Rochester Row London SW1P 1JB
Proposal
Amendments to planning permission dated 29 July 2024 (RN: 23/05475/FULL) for the: Refurbishment, alteration and extension of the existing Class E building to include erection of a rear infill, replacement of fourth floor and erection of new roof pavilion, provision of external roof terraces, provision of plant equipment, altered facade and other associated external works. NAMELY, to allow relocation of lift shafts to preserve the existing pits; relocation of stair / lift platform; introduction of solid small pier between strip glazed windows; recessed courtyard facade at party wall location; facade changes; amendments to the pavilion; update cladding finish colour to the East core pavilion; lowering of vent panels behind perforated panels; extension of brick piers; and alteration to basement layout.
As published by the council, reference 25/07597/NMA
Timeline
Dates from the published record
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21 Oct 2025
Received by Westminster
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21 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Westminster for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About amendments applications
How this application type works
An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.
Nearby applications
Within 500 metres
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25/05600/ADFULL Granted
17 - 19 Rochester Row London SW1P 1JB
Details of samples of facing materials, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to Condition 5 of planning permission dated 29th July 2024 (RN: 23/05475/FULL).
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26/03833/ADFULL Awaiting decision
17 - 19 Rochester Row London SW1P 1JB
Details of new maintenance access to roofs pursuant to condition 6 of planning permission dated 16 July 2024 (RN: 23/05475/FULL)
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26/03838/ADFULL Awaiting decision
17 - 19 Rochester Row London SW1P 1JB
Details of plant noise assessment pursuant to condition 16 of planning permission dated 16 July 2024 (RN: 23/05475/FULL)
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26/03837/NMA Awaiting decision
17 - 19 Rochester Row London SW1P 1JB
Amendments to planning permission dated 16 July 2024 (RN: 23/05475/FULL) for the refurbishment, alteration and extension of the existing Class E building to include erection of a rear infill, replacement of fourth floor and erection of new roof pavilion, provision of external roof terraces, provision of plant equipment, altered façade and other associated external works; NAMELY to remove condition restricting operation hours of plant equipment.
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26/03839/ADFULL Awaiting decision
17 - 19 Rochester Row London SW1P 1JB
Details of refuse and recycling storage / servicing management plan pursuant to conditions 18 and 20 of planning permission dated 16 July 2024 (RN: 23/05475/FULL)
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26/04396/ADFULL Awaiting decision
17 - 19 Rochester Row London SW1P 1JB
Details of a lighting strategy for any external lighting, including timings pursuant to condition 12 of planning permission dated 29th July 2024 (RN:23/05475/FULL )
Other amendments applications
In Westminster
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26/04962/NMA Awaiting decision
Serpentine Gallery Kensington Gardens Exhibition Road London W2 3XA
Amendments to planning permission dated 27 February 2025 (RN: 24/08940/FULL) for the installation of temporary art sculpture from 24 March 2025 to 09 September 2025; NAMELY to extend the temporary planning consent until 21st March 2027.
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26/04951/NMA Awaiting decision
43 - 45 Portman Square London W1H 6LY
Amendments to planning permission dated 22 April 2026 (25/06153/FULL) for: Variation of Condition 1 of planning permission dated 7 April 2025 (24/04987/FULL) for: Partial demolition of the existing roof and removal of plant equipment; construction of a roof extension providing new office (Class E) floorspace with associated external amenity spaces and plant equipment; refurbishment of the existing building, including infilling of the existing atrium; alterations to the existing façade; provision of cycle parking spaces and end of journey facilities, and all associated and ancillary works NAMELY; to amend the wording of Condition 27 to allow basement demolition work to proceed.
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26/04873/NMA Awaiting decision
Orbis House 5 Mansfield Street London W1G 9NG
Amendments to planning permission dated 05 September 2024 (RN: 24/01895/FULL) for: new courtyard surface including walk-on rooflight; window and door alterations; new window to Mansfield Mews at second floor level; new rooflights; repairs to roof and external brickwork; erection of new staircase in front area lightwell; partial infill of rear lightwell at ground floor level; erection of roof terrace; installation of PV panels at roof level; and associated works namely; to allow provision of guarding system to provide safe access for maintenance across the roof; alteration at south elevation omitting window SFW11 from the new WC, remove the existing RWP from the internal courtyard corner, removal of the existing plastic section of a redundant vent pipe at lower level and retain original lead; new cast iron rain water pipes at west elevation; and internal layout alterations at basement, ground, 2nd, 3rd floors. (Linked with 26/04876/LBC)
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26/04870/NMA Awaiting decision
34 Park Street London W1K 2JD
Amendments to planning permission dated 8 May 2026 (25/07808/FULL) for general refurbishment and M&E upgrade of the office building namely; roof walkable skylight, GF meeting room wall mounted TV, garden bench and planters, fire lobbies, L4 glass partition, reception to hall door swing change, front lightwell electric cupboard change, wall panelling on LGF and L5, LGF modular screen, LGF courtyard window door infill, and LGF cove lighting.
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26/04816/NMA Awaiting decision
Ebury Bridge Estate Ebury Bridge Road London SW1W 8PX
Amendments to planning permission dated 21 July 2023 (RN:23/00331/COOUT) for a mixed use development in outline for residential floorspace and ancillary residential facilities (Class C3) non-residential floorspace comprising flexible retail (Classes A1 - A4), community (Class D1), leisure (Class D2) and workspace (Class B1) floorspace; provision of basement; new pedestrian and vehicular access; and associated amenity space, open space, plant, landscaping, car and cycle parking, refuse storage, servicing area, and other associated infrastructure works; and detailed planning consent for Blocks 7 and 8 comprising residential floorspace and ancillary residential facilities (Class C3); provision of a basement; new pedestrian and vehicular access; and associated amenity space landscaping, car and cycle parking, refuse storage, servicing area, and other associated infrastructure works, namely amendments to the approved Masterplan Phasing to incorporate enabling works and piling in Phase 2a and 3a.