2 Mansfield Mews London W1G 9NL

1. 29 Sep 2025

   Received by Westminster

2. 18 Nov 2025

   Decision issued: Application Permitted

3. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 18 November 2025, 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 3 Mansfield Street London W1G 9ND

  20/00954/ADLBC Submitted 11 Feb 2020 50 yards away

  Details pursuant to condition 6 of listed building consent dated 7th June 2019 (RN: 19/02852), namely the submission of detailed drawings to show the proposed floor, ceiling and wall build-up.

  Granted Conditions 14 docs

• 3 Mansfield Street London W1G 9ND

  19/03700/FULL Submitted 15 May 2019 50 yards away

  87% historically approved · decision due ~10 Jul

  Application for A/C condenser installation to flat roof area & insertion of full louvred door to single vault at LG level. (Linked with 19/02852/LBC)

  Awaiting decision Full applications

• 3 Mansfield Street London W1G 9ND

  26/01013/TPO Submitted 17 Feb 2026 50 yards away

  100% historically approved · decision due ~14 Apr

  T1 + T2 = TO POLLARD 2 X LIME TREES CIRCA. 2.0/2.5MTRS LIGHT ACCESS GENERAL MAINTENANCE

  Awaiting decision Trees 9 docs

• Orbis House 5 Mansfield Street London W1G 9NG

  26/00954/ADFULL Submitted 16 Feb 2026 50 yards away

  Detailed specifications, and drawings at 1:10 with full size details, of refurbishment works to the windows, and of detailed drawings at 1: 10 with full size sections through the glazing bars of the new sash windows and French windows pursuant to condition 6 of planning permission dated 5th September 2024 (RN:24/01895/FULL)

  Granted Full applications Windows or glazing 41 docs

• Orbis House 5 Mansfield Street London W1G 9NG

  26/00940/ADLBC Submitted 16 Feb 2026 50 yards away

  Detailed specifications, and drawings at 1:10 with full size details, of refurbishment works to the windows, and of detailed drawings at 1: 10 with full size sections through the glazing bars of the new sash windows and French windows pursuant to Condition 6 of Listed Building Consent 05 September 2024 (RN24/01896/LBC)

  Granted Conditions Windows or glazing 20 docs

• Orbis House 5 Mansfield Street London W1G 9NG

  26/04876/LBC Submitted 21 Jul 2026 50 yards away

  90% historically approved · decision due ~15 Sep

  Provision of guarding system to provide safe access for maintenance across the roof; alteration at south elevations omitting window SFW11 from the new WC, remove the existing RWP from the internal courtyard corner, removal of the existing plastic section of a redundant vent pipe at lower level and retain original lead; new cast iron rain water pipes at west elevation; and internal layout alterations at basement, ground, 2nd, 3rd floors. (Linked with 26/04873/NMA)

  Decided Heritage and listed buildings Windows or glazing

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront with Medication Dispensing Outlet.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06297/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06294/FULL Awaiting decision

  15 Eaton Mews South London SW1W 9HP

  Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06317/FULL Awaiting decision

  124 Hamilton Terrace London NW8 9UT

  Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06273/FULL Awaiting decision

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

  Received 14 Sep, published by the council 22 Sep 2026 Full applications