Mayfair Telephone Exchange 33 - 39 Farm Street London W1J 5RR

This site has had 2 applications since 2026.

• 26/06000/FULL Awaiting decision

  Mayfair Telephone Exchange 33 - 39 Farm Street London W1J 5RR

  Replacement of 3 antennas at 27m, 25.5m and 27m, along with the installation of 12 RRU and further ancillary equipment, with the removal of 18 RRU and further ancillary equipment.

  Submitted 2 Sep 2026 Full applications

1. 15 Jun 2026

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. 11 Sep 2026

   Status changed to Decided

   Previously Pending.

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.

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.

• Mayfair Telephone Exchange 33 - 39 Farm Street London W1J 5RR

  26/06000/FULL Submitted 2 Sep 2026 50 yards away

  87% historically approved · decision due ~28 Oct

  Replacement of 3 antennas at 27m, 25.5m and 27m, along with the installation of 12 RRU and further ancillary equipment, with the removal of 18 RRU and further ancillary equipment.

  Awaiting decision Full applications

• Flat 5 110 Mount Street London W1K 2TS

  26/04571/ADFULL Submitted 8 Jul 2026 50 yards away

  89% historically approved · decision due ~2 Sep

  Details of noise report pursuant to condition 3 of planning permission dated 18 April 2023 (RN: 23/00903/FULL)

  Awaiting decision

• 25 Farm Street London W1J 5RQ

  10/08468/FULL Submitted 1 Oct 2010 50 yards away

  Demolition of existing building and redevelopment to provide a building comprising two basements, ground and three upper floors for use as a single family dwelling.

  Granted Full applications Demolition 19 docs
  Domestic

• 25 Farm Street London W1J 5RQ

  10/08469/CAC Submitted 1 Oct 2010 50 yards away

  Demolition of existing dwelling.

  Granted Heritage and listed buildings Demolition 2 docs
  Domestic

• 25 Farm Street London W1J 5RQ

  05/08877/CAC Submitted 31 Oct 2005 50 yards away

  Demolition of existing building in connection with redevelopment of site to provide single dwelling house.

  Refused Heritage and listed buildings Demolition 3 docs
  Domestic

• 25 Farm Street London W1J 5RQ

  05/08876/FULL Submitted 31 Oct 2005 50 yards away

  Demolition of existing building and erection of house, comprising basement, ground and four upper storeys and integral garage. (Revised application)

  Refused Full applications Demolition 12 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront.

  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 repolacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06222/FULL Awaiting decision

  42 - 49 St Martin's Lane London WC2N 4EJ

  Entrance alterations, illuminated fascia sign to St Martins Lane entrance and glazed openings for digital signage

  Received 11 Sep, published by the council 21 Sep 2026 Full applications
• 26/06234/FULL Awaiting decision

  40 Grosvenor Place London SW1X 7HJ

  Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

  Received 11 Sep, published by the council 18 Sep 2026 Full applications
• 26/06249/FULL Awaiting decision

  53 Wimpole Street London W1G 8YH

  Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

  Received 11 Sep, published by the council 18 Sep 2026 Full applications