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Planning application

St Andrews Building 17 Old Park Lane London W1K 1QT

Decided Westminster 26/06439/NMA Amendments

Works: Extension Roofing Windows or glazing

Relates to 25/08756/FULL

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Amendments to planning permission dated 11.05.26 (RN: 25/08756/FULL) for the: Alterations including introduction of terrace on the existing roof; extension of rear external fire staircase, elevation alterations on Old Park Lane and on Brick Street; installation of plant equipment within new roof plant enclosure; rearrangement of space to include cycle parking, end of trip facilities and installation of large planters on the Old Park Lane frontage at ground floor level. NAMELY, to allow internal layout changes at ground and basement levels, including a reduction to bicycle storage numbers; changing from fixed to openable glazing on the roof terrace; increasing the parapet height and plant screen height; replacing the basement skylights on the ground floor to a louvred system; increasing the height of the retractable awning; reduction of glazed panel width above Brick Street entrance; replacing the ground floor skylights at the north end (rear) of the property; and installation of CCTV cameras to the ground floor external areas.

As published by the council, reference 26/06439/NMA

Application record

Reference
26/06439/NMA
Category
Amendments
Status
Decided
Received
21 Sep 2026
Validated
21 Sep 2026
Postcode
W1K 1QT

Site history

Applications at this address on the Westminster register

This site has had 3 applications since 2025.

  • 26/06715/ADFULL Decided

    St Andrews Building 17 Old Park Lane London W1K 1QT

    Details of supplementary acoustic report demonstrating that the plant will comply with the Council's noise criteria as set out in Condition 4 of this permission pursuant to condition 5 of planning permission 11th May 2026 (RN: 25/08756/FULL)

    Submitted 1 Oct 2026
  • 25/08756/FULL Awaiting decision

    St Andrews Building 17 Old Park Lane London W1K 1QT

    Alterations including introduction of terrace on the existing roof; extension of rear external fire staircase, elevation alterations on Old Park Lane and on Brick Street; installation of plant equipment within new roof plant enclosure; rearrangement of space to include cycle parking, end of trip facilities and installation of large planters on the Old Park Lane frontage at ground floor level.

    Submitted 2 Dec 2025 Full applications

Timeline

Dates from the published record

  1. 21 Sep 2026

    Received by Westminster

  2. 28 Sep 2026

    Added to PlanIndex

  3. 21 Oct 2026

    Status changed to Decided

    Previously Pending.

Cases linked to this one on the register

  • 25/08756/FULL Awaiting decision

    St Andrews Building 17 Old Park Lane London W1K 1QT

    Alterations including introduction of terrace on the existing roof; extension of rear external fire staircase, elevation alterations on Old Park Lane and on Brick Street; installation of plant equipment within new roof plant enclosure; rearrangement of space to include cycle parking, end of trip facilities and installation of large planters on the Old Park Lane frontage at ground floor level.

    Submitted 2 Dec 2025 Full applications

After the decision

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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

  • St Andrews Building 17 Old Park Lane London W1K 1QT

    26/06715/ADFULL Submitted 1 Oct 2026 50 yards away

    89% historically approved · decision due ~26 Nov

    Details of supplementary acoustic report demonstrating that the plant will comply with the Council's noise criteria as set out in Condition 4 of this permission pursuant to condition 5 of planning permission 11th May 2026 (RN: 25/08756/FULL)

    Decided
  • St Andrews Building 17 Old Park Lane London W1K 1QT

    25/08756/FULL Submitted 2 Dec 2025 50 yards away

    88% historically approved · decision due ~27 Jan

    Alterations including introduction of terrace on the existing roof; extension of rear external fire staircase, elevation alterations on Old Park Lane and on Brick Street; installation of plant equipment within new roof plant enclosure; rearrangement of space to include cycle parking, end of trip facilities and installation of large planters on the Old Park Lane frontage at ground floor level.

    Awaiting decision Full applications Extension Roofing 41 docs
  • 24 Hertford Street London W1J 7SA

    11/09330/FULL Submitted 27 Sep 2011 50 yards away

    External alterations at ground floor level comprising new revolving door and access door to existing main entrance and two new windows.

    Granted Full applications Windows or glazing 11 docs
  • 24 Hertford Street London W1J 7SA

    19/00970/ADV Submitted 8 Feb 2019 50 yards away

    Display of two halo illuminated fascia signs, measuring 0.76m x 1.75m and 0.66m x 4.26m; display of halo illuminated logo measuring 0.55m x 0.75m.

    Granted Advertising 8 docs
  • 24 Hertford Street London W1J 7SA

    07/09525/ADFULL Submitted 1 Nov 2007 50 yards away

    Details of mouldings and proposed materials of porch and door screen and railings (traditional) pursuant to Conditions 2 & 3 of planning permission dated 18 June 2007 (RN: 07/02975).

    Granted Full applications Extension 5 docs
    Small domestic
  • 24 Hertford Street London W1J 7SA

    07/02975/FULL Submitted 2 Apr 2007 50 yards away

    Removal of projecting window bay and replacement with open porch area (including new doors and railings) for customer smoking; and relocation of existing exhaust grille to roof of porch.

    Granted Full applications Extension Windows or glazing 9 docs
    Small domestic

In Westminster

  • 26/07181/NMA Awaiting decision

    Newlands House 37 - 40 Berners Street London W1T 3NA

    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.

    Received 21 Oct, published by the council 22 Oct 2026 Amendments
  • 26/07132/NMA Awaiting decision

    157 - 159 Victoria Street London SW1E 5NA

    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.

    Received 19 Oct, published by the council 20 Oct 2026 Amendments
  • 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.

    Received 16 Oct, published by the council 20 Oct 2026 Amendments
  • 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.

    Received 15 Oct, published by the council 16 Oct 2026 Amendments
  • 26/06211/NMA Decided

    15 Portland Place London W1B 1PT

    Amendments to planning permission dated 21 July 2022 (RN:22/03521/FULL) which varied Condition 5 of planning permission dated 11 April 2018 (17/10815/FULL) for: 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 the wording of Condition 3 to omit the words " No one else may benefit from this permission" to allow the use by third party practitioners.

    Received 10 Sep, published by the council 16 Sep 2026 Amendments