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 4 applications since 2026.
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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 66 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 Agent, registered in Newcastle Upon Tyne
Active · incorporated 2018 · Newcastle Upon Tyne
2 applications on PlanIndex · across 2 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 54 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
87% 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
84% 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 -
6 Stratton Street London W1J 8LD
Details of the junction between the mansard and the new pitch (the pitch should be 70 degrees) pursuant to Condition 8 (i) of planning permission dated 20 February 2006 (RN: 05/06936).
Refused Full applications Loft or dormer 3 docs
Other amendment applications
In Westminster
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26/06232/NMA Awaiting decision
37 Trevor Place London SW7 1LE
Amendments to planning permission dated 17th July 2026 (RN 26/03030/FULL) for the Alterations including enlargement of louvres and installation of new plant in basement; landscaping of roof terrace; second floor windows replaced with door sets; partial demolition at ground and first floor levels to create new lightwell and landscaped courtyard. NAMELY, addition of a free-standing sauna to the second-floor roof terrace.
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26/06256/NMA Awaiting decision
Queens Court Queensway London W2 4QN
Amendments to planning permission dated 21st May 2026 (RN:25/05013/FULL) for Variation of conditions 1, 3, 8, 9 and 17 of planning permission dated 11th May 2022 (RN 18/09765/FULL) for the Change of use of rear part of Queensway Market to Retail, Financial and Professional services, Office and Restaurant (within Class E) use and 5 residential units facing Princes Court, reconfiguration of retail units along Queensway including introduction of Retail uses at Nos.23 and 33 (current entrances to Queensway Market) and use of Nos.25 and 41-43 Queensway as Restaurant uses, installation of new shopfronts to Nos.23 to 43 Queensway 23-43, erection of infill extension to rear at ground floor level, erection of two new pavilion structures for Retail use and associated new hard and soft landscaping on land between Queens Court and Princes Court, installation of green roofs, rooflights and mechanical plant within enclosures to first floor level roofs between projecting rear wings of Queens Court installation of kitchen extract ducts to rear elevations, and associated cycle parking, waste storage, plant and other ancillary alterations ('Application 2'). Namely, to vary the hours of operation for the refrigeration plant controlled by condition 6.
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26/06251/NMA Awaiting decision
19 Cumberland Street London SW1V 4LS
Amendments to planning permission dated 20th March 2026 (RN:25/08960/FULL) for Lower ground floor rear infill extension with terrace above, replacement of rear first floor conservatory, new roof level rear single dormer with access to third floor roof terrace, alterations to windows and external refurbishment, namely the change of conservatory gable roof to a flat GRP roof.
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26/06201/NMA Awaiting decision
Almack House 28 King Street St James's London SW1Y 6QW
Amendments to planning permission dated 16th April 2026 (RN:26/01487/FULL) for Installation of a mechanical plant at lower ground floor and installation of two grilles to two lower ground floor windows, namely change to approved grille.
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26/06212/NMA Awaiting decision
10 - 11 Lancaster Gate London W2 3LH
Amendment to Condition 12 (Whole Life Carbon) of planning permission dated 19th April 2024 (RN 23/04044/FULL) for Change of use from hotel to residential use (Class C3) with associated internal alterations to create 11 new units and external alterations comprising reconfiguration and recladding of the rear extension and restoration of the existing building. Namely to include additional requirement to evidence and justify where benchmarks cannot be achieved, consider mitigation measures and if none, evidence that all mitigation measures have been exhausted. (Linked with RN 26/06213/ADFULL)