Planning application
Westminster House 7 Millbank London SW1P 3JA
Works: Extension Demolition
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 8th February 2022 (RN:21/01508/FULL) for demolition of existing office building, including dismantling of the facades to Millbank, Dean Stanley Street and Smith Square; erection of new nine storey building using new and reclaimed materials for commercial business and service use (Class E); extension to Smith Square; excavation of new sub-basement; formation of external terraces at sixth, seventh and eighth floor levels; new main entrance to Dean Stanley Street with secondary and servicing entrances to Smith Square; installation of plant and associated works. Namely, to allow introduction of planters on Dean Stanley Street.
As published by the council, reference 26/04665/NMA
Application record
- Reference
- 26/04665/NMA
- Category
- Amendments
- Status
- Pending
- Received
- 13 Jul 2026
- Validated
- 13 Jul 2026
- Postcode
- SW1P 3JA
Site history
Applications at this address on the Westminster register
This site has had 5 applications since 2026: 1 approved, 0 refused.
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26/06152/ADFULL Awaiting decision
Westminster House 7 Millbank London SW1P 3JA
Detailed drawings of a soft landscaping scheme which includes the number, size, species and position of trees and shrubs within the planters and detailed drawings of the planters on the sixth, seventh and eighth floor roof terraces to include their size, appearance and location pursuant to condition 20 and 21 of planning permission dated 8th February 2022 (RN: 21/01508/FULL)
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26/03254/ADFULL Awaiting decision
Westminster House 7 Millbank London SW1P 3JA
Samples of the facing materials you will use, including glazing and any replacement Portland stone, and elevations and roof plans; pursuant to Condition 13 of planning permission dated 8 February 2022 (RN 21/01508/FULL)
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26/02193/ADFULL Awaiting decision
Westminster House 7 Millbank London SW1P 3JA
Detailed drawings of all new external doors and windows pursuant to condition 14 of planning permission dated 8th February 2022 (RN:21/01508/FULL)
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26/00183/NMA Granted
Westminster House 7 Millbank London SW1P 3JA
Amendment to planning permission dated 08 February 2022 (21/01508/FULL) for: Demolition of existing office building, including dismantling of the facades to Millbank, dean Stanley Street and Smith Square; erection of new nine storey building using new and reclaimed materials for commercial business and service use (Class E); extension to Smith Square; excavation of new sub-basement; formation of external terraces at sixth; seventh and eight floor levels; new main entrance to Dean Stanley Street with secondary and servicing entrances to Smith Square; installation of plant and associated works. NAMELY, amendments to elevations including terraces, dormer windows and entrances.
Timeline
Dates from the published record
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13 Jul 2026
Received by Westminster
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25 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
Decision expected by 7 September 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 65 days over the applications it decided in the last year.
What 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
-
Westminster House 7 Millbank London SW1P 3JA
89% historically approved · decision due ~4 Nov
Detailed drawings of a soft landscaping scheme which includes the number, size, species and position of trees and shrubs within the planters and detailed drawings of the planters on the sixth, seventh and eighth floor roof terraces to include their size, appearance and location pursuant to condition 20 and 21 of planning permission dated 8th February 2022 (RN: 21/01508/FULL)
Awaiting decision -
Westminster House 7 Millbank London SW1P 3JA
87% historically approved · decision due ~17 Jun
Detailed drawings of all new external doors and windows pursuant to condition 14 of planning permission dated 8th February 2022 (RN:21/01508/FULL)
Awaiting decision Full applications Windows or glazing 33 docs -
Flat 15 North Court Great Peter Street London SW1P 3LL
87% historically approved · decision due ~21 May
Alterations to the existing sixth floor extension including extending the footprint of the sixth floor extension, erection of new walls to the south and west elevations at sixth floor level and the installation of new rooflights. Alterations to the design of the southern elevation at sixth floor level.
Awaiting decision Full applications Extension Loft or dormer 22 docs -
Flat 15 North Court Great Peter Street London SW1P 3LL
Details of the RAL colours and a sample board photographed on site of the external finish to the roof, fins, brick and rendered surfaces, details of new windows and pivot door, new rooflights and balustrade railings pursuant to Conditions 4, 5 and 6 of planning permission dated 23 June 2020 (RN 19/09611/FULL)
Withdrawn Full applications Loft or dormer Windows or glazing 36 docs -
Westminster House 7 Millbank London SW1P 3JA
87% historically approved · decision due ~13 Jul
Samples of the facing materials you will use, including glazing and any replacement Portland stone, and elevations and roof plans; pursuant to Condition 13 of planning permission dated 8 February 2022 (RN 21/01508/FULL)
Awaiting decision Full applications Windows or glazing 3 docs -
Westminster House 7 Millbank London SW1P 3JA
Amendment to planning permission dated 08 February 2022 (21/01508/FULL) for: Demolition of existing office building, including dismantling of the facades to Millbank, dean Stanley Street and Smith Square; erection of new nine storey building using new and reclaimed materials for commercial business and service use (Class E); extension to Smith Square; excavation of new sub-basement; formation of external terraces at sixth; seventh and eight floor levels; new main entrance to Dean Stanley Street with secondary and servicing entrances to Smith Square; installation of plant and associated works. NAMELY, amendments to elevations including terraces, dormer windows and entrances.
Granted Amendments Extension Loft or dormer +2 4 docs
Other amendment applications
In Westminster
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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)
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26/06211/NMA Awaiting decision
15 Portland Place London W1B 1PT
Amendments to planning permission dated 21th July 2022 (RN:22/03521/FULL) for Variation of condition 5 of planning permission dated 11th April 2018 (17/10815/FULL) for the Use of the building for a temporary period of 20 years as a medical use (Use Class D1) personal to OM Tower LLP. Namely, to amend condition 3.
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26/06199/NMA Awaiting decision
33 - 35 Praed Street London W2 1NR
Amendments to planning permission dated 24th Septmebr 2024 (RN:24/03287/FULL) for Use of lower ground and ground floors as supermarket with ancillary bakery (Class E); Use of first, second and third floors as aparthotel with 19 bedrooms (Class C1); Installation of plant machinery and solar thermal panels at roof level, Replacement of windows; and associated external alterations. Namely, Introduction of two shawarma grill machines in the supermarket area at ground floor level; the introduction of a new canopy to provide ventilation for the two shawarma grill machines; and amendments to the ventilation design for the lower ground floor bakery canopy extract.