3 Mansfield Street London W1G 9ND

This site has had 3 applications since 2019: 1 approved, 0 refused.

• 26/01013/TPO Awaiting decision

  3 Mansfield Street London W1G 9ND

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

  Submitted 17 Feb 2026 Trees
• 20/00954/ADLBC Granted

  3 Mansfield Street London W1G 9ND

  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.

  Decided 17 Feb 2020 Conditions

1. 15 May 2019

   Received by Westminster

2. 14 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 10 July 2019, 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 91 days over the applications it decided in the last year.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.

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

  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

• 2 Mansfield Mews London W1G 9NL

  25/06964/FULL Submitted 29 Sep 2025 50 yards away

  Replacement of existing glass roof finish with a zinc covering.

  Granted Full applications 18 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

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications