Planning application
7 Stratton Street London W1J 8LE
Works: Roofing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Amendments to planning permission dated 7th April 2025 (RN:23/05074/FULL) for Erection of one additional floor at fifth floor level and infilling of rear lightwell from lower ground floor to fourth floor to provide additional office (Class E) accommodation; creation of terrace at rear fifth floor for use in association with office (Class E) space, installation of Air Source Heat Pumps within acoustic enclosure at new roof level, addition of planter boxes and associated alterations to the front façade, and excavation of plant pit at basement level to provide space for emergency plant equipment. Namely, alterations to the approved front elevation, including the widening of the existing entrance door opening, revisions to front façade detailing, the installation of discreet architectural lighting to the front elevation, and the introduction of a roof access hatch.
As published by the council, reference 26/04247/NMA
Application record
- Reference
- 26/04247/NMA
- Type
- Non-material amendments
- Status
- Pending
- Received
- 26 Jun 2026
- Validated
- 2 Jul 2026
- Ward
- West End
- Postcode
- W1J 8LE
Site history
Applications at this address on the Westminster register
This site has had 5 applications since 2026.
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26/07128/ADFULL Awaiting decision
7 Stratton Street London W1J 8LE
Details of Samples (photographs and spec) of facing material pursuant to condition 8 of planning permission dated 07 April 2025 (RN: 23/05074/FULL).
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26/05085/ADFULL Decided
7 Stratton Street London W1J 8LE
Details of completed Appendix A checklist from the Code of Construction Practice pursuant to condition 14 of planning permission dated 7th April 2025 (RN:23/05074/FULL).
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26/03506/ADV Awaiting decision
7 Stratton Street London W1J 8LE
Display of non-illuminated hoarding measuring 2.7m x 5.6m for a temporary period from 01 July 2026 - 01 July 2027.
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26/02336/ADFULL Awaiting decision
7 Stratton Street London W1J 8LE
Detailed drawings of all new balustrades, showing black metal railings, all new doors and windows to the rear facade and all replacement and new windows to the front elevation and detailed drawings showing dormer windows with integral glazing bars pursuant to conditions 4 and 6 of planning permission dated 24th July 2023 (RN: 23/05074/FULL).
Timeline
Dates from the published record
-
26 Jun 2026
Received by Westminster
-
2 Jul 2026
Validated
Checked as complete and ready for consideration.
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 27 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.
Who's behind it
Company information only, from the register and Companies House
Adderstone Group Ltd Agent, registered in Newcastle Upon Tyne
Active · incorporated 2018 · Newcastle Upon Tyne
3 applications on PlanIndex · across 3 councils
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
19 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat 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 amendment applications in a median of 81 days. More in our guide to how long planning decisions take.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
7 Stratton Street London W1J 8LE
89% historically approved · decision due ~23 Sep
Details of completed Appendix A checklist from the Code of Construction Practice pursuant to condition 14 of planning permission dated 7th April 2025 (RN:23/05074/FULL).
Decided -
7 Stratton Street London W1J 8LE
89% historically approved · decision due ~14 Dec
Details of Samples (photographs and spec) of facing material pursuant to condition 8 of planning permission dated 07 April 2025 (RN: 23/05074/FULL).
Awaiting decision -
7 Stratton Street London W1J 8LE
88% historically approved · decision due ~4 Jun
Detailed drawings of all new balustrades, showing black metal railings, all new doors and windows to the rear facade and all replacement and new windows to the front elevation and detailed drawings showing dormer windows with integral glazing bars pursuant to conditions 4 and 6 of planning permission dated 24th July 2023 (RN: 23/05074/FULL).
Awaiting decision Full applications Loft or dormer Windows or glazing 14 docs -
7 Stratton Street London W1J 8LE
82% historically approved · decision due ~30 Jul
Display of non-illuminated hoarding measuring 2.7m x 5.6m for a temporary period from 01 July 2026 - 01 July 2027.
Awaiting decision Advertising 10 docs -
8 Stratton Street London W1J 8LF
External and internal works, including the display of a hanging sign and alteration to external handrails at third level at the rear.
Granted Heritage and listed buildings 21 docs -
6 Stratton Street London W1J 8LD
Details of door beneath window and new louvred door pursuant to Condition 8 (iv) and (v) of planning permission dated 20 February 2006 (RN: 05/06936).
Granted Full applications Windows or glazing 3 docs
Other amendment applications
In Westminster
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26/07459/NMA Awaiting decision
1 Hanover Square London W1S 1HA
Amendments to planning pemrission dated 10 October 2025 (RN: 25/01558/FULL) for the: Partial demolition, refurbishment and extension of the existing building to provide a sub-basement, basement, ground plus eight storey building; infilling and stepped rear extension; excavation of a new sub-basement level; installation of new plant equipment at basement and roof level; terraces at fourth, fifth, sixth, seventh and eighth floor levels; soft and hard landscaping; reprovision of car parking; new cycle parking facilities; and associated external works. Use of the building for retail and/or restaurant (Class E) on part ground floor and office (Class E) on all other floors. NAMELY, to allow alterations to the design of the ground floor frontages on Hanover Square and St George Street.
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26/07438/NMA Awaiting decision
29 - 31 Hill Street London W1J 5LS
Amendments to planning permission dated 1st July 2025 (RN 25/01006/FULL) for the external alterations at roof level including the creation of Level 04 roof terrace for use in association with existing office (Class E), replacement and installation of new plant and landscaping, replacement of windows, introduction of louvres, removal and replacement of rooflights, installation of new rooflight and other associated works. NAMELY, for alterations comprising of the removal of window sash boxes and weights, changes to the window mullion arrangement, the removal of two sash windows, the installation of secondary glazing, the removal of existing chamber hatch and installation of extract vent and integrated bench, the external replacement of rainwater goods and hoppers, the removal of bricks and installation of airbricks, minor demolition works, replacement of roof covering, removal of ductwork, roof plant rearrangement, the installation of a new external door to plant area, minor layout alterations and other associated works.
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26/07389/NMA Decided
Flat 1 5 Grittleton Road London W9 2DD
Amendments to planning permission dated 04 June 2025 (RN: 25/02022/FULL), NAMELY, amendment of Condition 4 to correct the property address from 9 Aldridge Road Villas to Flat 1 5 Grittleton Road.
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26/07377/NMA Awaiting decision
60 Ledbury Road London W11 2AJ
Amendments to planning permission dated 2nd October 2025 (RN 25/04018/FULL) for the Partial demolition, refurbishment, and erection of a mansard roof extension to form a new third floor with dormers to front, side and rear elevations; to form 6 flats (Class C3) on upper floors; external plant equipment and ductwork; lower ground floor excavation to increase floor to ceiling height; replacement windows; cycle parking and associated external alterations; use of the part ground floor and lower ground floor as retail and restaurant (Class E). Site includes 60-68 Ledbury Road) NAMELY, An amendment to the basement and ground floor drawing reference numbers; amendment to the description of development, in reference to restaurant and or retail use; and amendments to C
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26/07375/NMA Awaiting decision
77 Hereford Road London W2 5BB
Amendments to planning permission dated 4th August 2026 (RN 26/03970/FULL) for the Replacement of roof terrace access stair with glazed hatch, new timber decking and front and rear roof railings to roof terrace, with infilling side window of closet wing. NAMELY, Hinged hatch access substituted by sliding hatch.