19 Cumberland Street London SW1V 4LS

This site has had 4 applications since 2025: 1 approved, 0 refused.

• 26/03969/FULL Decided

  19 Cumberland Street London SW1V 4LS

  Installation of air conditioning unit and associated acoustic housing located at roof level.

  Submitted 16 Jun 2026 Full applications
• 26/03499/ADFULL Awaiting decision

  19 Cumberland Street London SW1V 4LS

  Detailed Drawings of new external windows and doors; new dormer window showing relationship with the roof and new rear extensions including materials specification pursuant to condition 4 a, b, c of planning permission dated 10th March 2026 (RN 25/08960/FULL)

  Submitted 28 May 2026 Full applications
• 25/08960/FULL Granted

  19 Cumberland Street London SW1V 4LS

  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.

  Decided 20 Mar 2026 Full applications

1. 11 Sep 2026

   Received by Westminster

2. 18 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 6 November 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.

• 25/08960/FULL Granted

  19 Cumberland Street London SW1V 4LS

  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.

  Decided 20 Mar 2026 Full applications

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.

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.

• 19 Cumberland Street London SW1V 4LS

  26/03969/FULL Submitted 16 Jun 2026 0m away

  87% historically approved · decision due ~11 Aug

  Installation of air conditioning unit and associated acoustic housing located at roof level.

  Decided Full applications

• 19 Cumberland Street London SW1V 4LS

  26/03499/ADFULL Submitted 28 May 2026 0m away

  87% historically approved · decision due ~23 Jul

  Detailed Drawings of new external windows and doors; new dormer window showing relationship with the roof and new rear extensions including materials specification pursuant to condition 4 a, b, c of planning permission dated 10th March 2026 (RN 25/08960/FULL)

  Awaiting decision Full applications Extension Loft or dormer +1 10 docs

• 19 Cumberland Street London SW1V 4LS

  25/08960/FULL Submitted 9 Dec 2025 4m away

  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.

  Granted Full applications Extension Loft or dormer +2 33 docs

• 9 Cumberland Street London SW1V 4LS

  22/02379/CLEUD Submitted 7 Apr 2022 19m away

  Use of a ground floor unit as a studio flat.

  Refused Lawful development 17 docs

• Cumberland Court Cumberland Street London SW1V 4LR

  26/01637/FULL Submitted 13 Mar 2026 38m away

  87% historically approved · decision due ~8 May

  Variation of condition 1 of planning permission dated 10th July 2012 (RN 12/03613/FULL) which itself varied condition 1 of planning permission dated 25 November 2010 (RN: 10/02562) for: "Erection of single storey extension at fourth floor roof level in connection with provision of one residential flat, and erection of lift shaft within internal lightwell from basement to fourth floor leve". NAMELY, amendments to allow internal layout alterations; the introduction of new slot windows; change in external material from the approved aluminium composite cladding to a silicone render of a similar colour; and alteration to the roof form raising the roof height adjacent to the party walls to and a reduction in overhang.

  Awaiting decision Full applications Extension Windows or glazing 27 docs
  Small domestic

• 65 Winchester Street London SW1V 4NU

  25/09341/TPO Submitted 24 Dec 2025 50m away

  1 x sycamore (T1): crown reduce by approx. 2-3m; to previous most recent reduction points.

  Granted Trees 7 docs

• 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.

  10 Sep 2026 Amendments
• 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)

  10 Sep 2026 Amendments
• 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.

  10 Sep 2026 Amendments
• 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.

  10 Sep 2026 Amendments
• 26/06160/NMA Awaiting decision

  The Arcade Dolphin Square London SW1V 3LX

  Amendments to planing permission dated 11 June 2025 (RN: 25/01157/FULL) for: Alterations to the ground floor of Rodney House including the shopping arcade, with the introduction of new shopfronts to the Chichester Street frontage; new entrances with accessible ramps for accessibility; and associated works. Namely, amendments to the treatment of the end bays of the Chichester Street elevation

  9 Sep 2026 Amendments