Princess House 50 Eastcastle Street London W1W 8EA

This site has had 2 applications since 2005: 2 approved, 0 refused.

• 07/03895/FULL Granted

  Princess House 50 Eastcastle Street London W1W 8EA

  Installation of one air conditioning unit at roof level of No. 50-60 Eastcastle Street.

  Decided 10 Jul 2007 Full applications

1. 31 Oct 2005

   Received by Westminster

2. 5 Jan 2006

   Validated

   Checked as complete and ready for consideration.

3. 1 Mar 2006

   Decision issued: Application Permitted

4. 20 Aug 2026

   Added to PlanIndex

Westminster granted permission on 1 March 2006, 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.

• 50 Eastcastle Street London W1W 8EA

  26/02248/ADV Submitted 2 Apr 2026 0m away

  85% historically approved · decision due ~28 May

  Display of two externally illuminated fascia signs measuring 0.375m x 0.575, 0.17m x 0.28m, one non illuminated fasica sign measuring 0.48m x 0.87m and two non illuminated projecting sins measuring 0.5m x 0.783m, 0.3m x 0.385m.

  Awaiting decision Advertising 11 docs

• 50 Eastcastle Street London W1W 8EA

  26/02134/FULL Submitted 31 Mar 2026 0m away

  87% historically approved · decision due ~26 May

  Installation of three new dry riser inlets to serve Princess House, 50-60 Eastcastle Street, as part of a wider fire safety enhancement strategy.

  Awaiting decision Full applications 14 docs

• Princess House 50 Eastcastle Street London W1W 8EA

  07/03895/FULL Submitted 2 May 2007 0m away

  Installation of one air conditioning unit at roof level of No. 50-60 Eastcastle Street.

  Granted Full applications 11 docs

• 50 Eastcastle Street London W1W 8EA

  25/04435/FULL Submitted 27 Jun 2025 31m away

  Installation of roof top plant and enclosures to provide upgraded mechanical services to the office floors.

  Granted Full applications 24 docs

• 30 Eastcastle Street London W1W 8DJ

  11/11096/EEN Submitted 14 Nov 2011 34m away

  Replacement of roof and internal alterations including installation of lift.

  Granted 10 docs

• 56-57 Eastcastle Street London W1W 8EQ

  11/08584/ADFULL Submitted 8 Sep 2011 34m away

  Approval of details pursuant to Condition 4 and 5 of planning permission dated 20 June 2011 (RN:11/03250), namely detailed drawings of a revised shopfront design and samples of the proposed shopfront materials.

  Granted Full applications Windows or glazing 4 docs

• 26/06024/FULL Awaiting decision

  House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

  Installation of new and replacement electronic equipment within Speaker. (Linked with 26/06025/LBC)

  3 Sep 2026 Full applications
• 26/06017/FULL Awaiting decision

  38 Lauderdale Mansions Lauderdale Road London W9 1NE

  Installation of an external AC Unit / Heat Pump at roof level.

  2 Sep 2026 Full applications
• 26/05938/FULL Awaiting decision

  24 Vincent Square London SW1P 2NJ

  Subdivision of existing residential property to create two self-contained 3-bedroom family homes, along with cycle parking and associated external alterations.

  1 Sep 2026 Full applications
• 26/05935/FULL Awaiting decision

  47 Hereford Road London W2 5AH

  Installation of one number new external condenser unit to the southerly elevation service alley.

  1 Sep 2026 Full applications
• 26/05959/FULL Awaiting decision

  Basement And Ground Floor 50 New Bond Street London W1S 1BJ

  Installation of three new condensers on the roof, within an existing designated plant area.

  1 Sep 2026 Full applications