Planning application
1 Hanover Street London W1S 1YZ
Works: Extension Loft or dormer
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Amendments to planning permission dated 27th March 2024 (RN: 23/08783/FULL) for, "Installation of new front and end-of-trip facilities entrances on Hanover Street; alterations to the internal atrium; replacement of roof structures and upgrading plant and creating new pavilion and terrace on the roof; introduction of a new mansard roof onto Hanover Street; infill extension on Princes Street at 5th and 6th floor; alterations to the Cupola; replacement of existing artwork; reorganisation of internal partitioning; and associated works"; Namely, to allow retention of perimeter balustrades, relocation of light box on Hanover Street, alterations to facade to display public artwork, and amendments to cladding system of core.
As published by the council, reference 25/08273/NMA
Application record
- Reference
- 25/08273/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 12 Nov 2025
- Validated
- 4 Mar 2026
- Decided
- 31 Mar 2026
- Ward
- West End
- Decision by
- Delegated Decision
- Postcode
- W1S 1YZ
Site history
Applications at this address on the Westminster register
This site has had 17 applications since 2025: 9 approved, 0 refused.
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26/06753/ADLBC Decided
1 Hanover Street London W1S 1YZ
Details of updated method statement of the façade repairs and cleaning proposed pursuant to condition 6 of Listed Building Consent dated 25th October 2024 (RN:24/06431/LBC).
-
26/06188/ADFULL Decided
1 Hanover Street London W1S 1YZ
Detailed drawings and manufacturers specifications of the materials and finish of the duct, and elevations and roof plans annotated to show where the materials are to be located pursuant to condition 5 of planning permission dated 29th June 2026 (RN: 26/02287/FULL). (Linked to 26/06091/ADLBC).
-
26/06091/ADLBC Decided
1 Hanover Street London W1S 1YZ
Detailed drawings manufacturers specifications of the materials and finish of the duct, and elevations and roof plans annotated to show where the materials are to be located pursuant to condition 3 of listed building dated 29th June 2026 (RN:26/02288/LBC) (Linked to 26/06188/ADFULL).
-
26/06095/ADFULL Decided
1 Hanover Street London W1S 1YZ
Detailed drawings and a detailed biodiversity management plan in relation to the planting scheme on the roof terraces; pursuant to condition 19 of planning permission dated 27th March 2024 (23/08783/FULL)
-
26/03877/ADLBC Decided
1 Hanover Street London W1S 1YZ
Detailed method statement of the façade repairs and cleaning proposed pursuant to condition 6 of Listed Building Consent dated 25th October 2024 (RN:24/06431).
-
26/03336/ADV Awaiting decision
1 Hanover Street London W1S 1YZ
Display of non illuminated hoarding signage measuring 2.44m x 1.22m.
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26/02288/LBC Awaiting decision
1 Hanover Street London W1S 1YZ
Installation of a smoke extract duct within existing lightwell. (Linked with 26/02287/FULL)
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26/02287/FULL Awaiting decision
1 Hanover Street London W1S 1YZ
Installation of a smoke extract duct within existing lightwell. (Linked with 26/02288/LBC)
-
26/01161/ADLBC Granted
1 Hanover Street London W1S 1YZ
Details of facing materials pursuant to condition 3 (partial) of listed building consent dated 24 October 2024 (RN: 24/06431/LBC)
-
26/00719/ADFULL Granted
1 Hanover Street London W1S 1YZ
Detailed drawings (scale 1:5 and 1:20) and labelled photographs of samples of the facing materials (for mansard) including glazing, and elevations and roof plans annotated to show where the materials are located pursuant to condition 4 (partial) of planning permission dated 27 March 2024 (RN: 23/08783/FULL). [Linked to 26/00700/ADLBC]
Timeline
Dates from the published record
-
12 Nov 2025
Received by Westminster
-
4 Mar 2026
Validated
Checked as complete and ready for consideration.
-
31 Mar 2026
Decision issued: Application Permitted
-
30 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
25/08257/LBC Granted
1 Hanover Street London W1S 1YZ
Retention of perimeter balustrades, relocation of light box on Hanover Street, alterations to facade to display public artwork, and amendments to cladding system of core. Linked with 25/08273/NMA
Who's behind it
Company information only, from the register and Companies House
Newmark LLP Agent
930 applications on PlanIndex · across 40 councils · 97% granted
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Plans, drawings, consultee responses and the officer's report
28 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.
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Open the documentsWhat this grant of permission means
Westminster granted permission on 31 March 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
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
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1 Hanover Street London W1S 1YZ
Retention of perimeter balustrades, relocation of light box on Hanover Street, alterations to facade to display public artwork, and amendments to cladding system of core. Linked with 25/08273/NMA
Granted Heritage and listed buildings 37 docs -
1 Hanover Street London W1S 1YZ
82% historically approved · decision due ~15 Jul
Display of non illuminated hoarding signage measuring 2.44m x 1.22m.
Awaiting decision Advertising 10 docs -
1 Hanover Street London W1S 1YZ
Detailed drawings and photos of samples of the facing materials including glazing pursuant to Condition 3 (part) of listed building consent dated 27th March 2024 (RN: 23/08787/LBC).
Granted Conditions Windows or glazing 13 docs -
1 Hanover Street London W1S 1YZ
Detailed drawings and photos of samples of the facing materials including glazing pursuant to Condition 4 (part) of planning permission dated 27th March 2024 (RN: 23/08783/FULL).
Granted Full applications Windows or glazing 4 docs -
245 Regent Street London W1B 2EN
Display of two externally illuminated projecting signs measuring 0.3m x 0.45m and one flag measuring 2.6m x 1.8m existing flagpole.
Granted Advertising 28 docs -
245 Regent Street London W1B 2EN
88% historically approved · decision due ~17 Feb
Alterations to shopfronts (Linked to 25/09297/LBC)
Awaiting decision Full applications 69 docs
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26/07243/NMA Awaiting decision
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Amendments to planning permission dated 9th October 2025 (RN:25/04048/FULL) forInfilling of the ground floor undercroft along Mortimer Street (Class E), replacement of ground floor frontage to the whole building and refurbishment of the upper floor facades. Namely, alterations to the approved green roof area at the site.
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26/07132/NMA Awaiting decision
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Amendments to planning permission dated 27 August 2026 (RN: 26/04666/FULL) for the: Installation of combined defibrillator and bleed kit cabinets to external wall of Nationwide Building Society branch. NAMELY, to allow alteration to design of combined defibrillator and bleed kit cabinet.
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26/07086/NMA Awaiting decision
Windsor House 50 Victoria Street London SW1H 0TL
Amendments to planning permission dated 18th September 2026 (RN 26/01445/FULL) for the Refurbishment of Windsor House and Christchurch House (excluding residential part), including re-cladding and amendment of facades, replacement of windows, new end-of-trip facilities, installation of roof-level plant and screening, and associated works, to provide office, retail, restaurant and indoor recreation accommodation (Class E) with amenity spaces, including a new roof level pavilion to Christchurch House and link bridge between Windsor House and Christchurch House. NAMELY, amendments to the wording of Conditions 1, 11, 12, 13,14, 15 and 26.
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26/07071/NMA Awaiting decision
London School Of Economics & Political Science Houghton Street London WC2A 2AE
Amendments to planning permission dated 21st Februrary 2018 (RN:17/05855/FULL) for Variation of Condition 1 of planning permission dated 19 October 2016 (RN:16/05155/FULL) for demolition of existing buildings known as Clare Market, The Anchorage, the East Building, St Clements (partial) and Tower One (partial) and redevelopment to provide replacement interconnected academic facilities for Class D1 and ancillary uses, comprising a two storey basement, a part six storey / part 13 storey building and a seven storey core extension to the St Clements building and associated cycle parking and other works; all arranged around a new public square namely, removal of two cycle stands.