46 Portman Square London W1H 6LZ

This site has had 4 applications since 2007: 3 approved, 1 refused.

• 07/06423/FULL Refused

  46 Portman Square London W1H 6LZ

  Installation of an ATM to shopfront on Orchard Street elevation.

  Decided 13 Sep 2007 Full applications
• 07/05697/ADV Granted

  46 Portman Square London W1H 6LZ

  Display of an externally illuminated projecting sign.

  Decided 17 Jul 2007 Advertising
• 07/05790/ADV Granted

  46 Portman Square London W1H 6LZ

  Display of spot lit fascia sign (split decision).

  Decided 10 Aug 2007 Advertising

1. 24 Sep 2007

   Received by Westminster

2. 12 Oct 2007

   Validated

   Checked as complete and ready for consideration.

3. 30 Nov 2007

   Decision issued: Application Permitted

4. 18 Sep 2026

   Added to PlanIndex

Westminster granted permission on 30 November 2007, 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.

• 46 Portman Square London W1H 6LZ

  07/06423/FULL Submitted 20 Jul 2007 50 yards away

  Installation of an ATM to shopfront on Orchard Street elevation.

  Refused Full applications Windows or glazing 9 docs

• 46 Portman Square London W1H 6LZ

  07/05697/ADV Submitted 29 Jun 2007 50 yards away

  Display of an externally illuminated projecting sign.

  Granted Advertising 4 docs

• 46 Portman Square London W1H 6LZ

  07/05790/ADV Submitted 29 Jun 2007 50 yards away

  Display of spot lit fascia sign (split decision).

  Granted Advertising 4 docs

• 43 - 45 Portman Square London W1H 6LY

  26/02687/NMA Submitted 22 Apr 2026 50 yards away

  93% historically approved · decision due ~17 Jun

  Amendments to planning permission dated 22nd April 2026 (RN:25/06153/FULL) for: Variation of Condition 1 of planning permission dated 7th April 2025 (RN: 24/04987/FULL) for: Partial demolition of the existing roof and removal of plant equipment; construction of a roof extension providing new office (Class E) floorspace with associated external amenity spaces and plant equipment; refurbishment of the existing building, including infilling of the existing atrium; alterations to the existing façade; provision of cycle parking spaces and end of journey facilities, and all associated and ancillary works namely, amendments to mansard roof and rear façades; alterations to skylights and access doors to terraces; alterations to Portman Mews and Orchard Street elevations and to main entrance; alterations to louvres and to internal layout.

  Awaiting decision Amendments Extension Loft or dormer +1 24 docs

• 43 - 45 Portman Square London W1H 6LY

  06/00987/AD7 Submitted 9 Feb 2006 50 yards away

  Display of non-illuminated estate agent board measuring 600mm x 450mm to be attached to the railings in front of the building at a height of 1.5m from ground floor level, for a temporary period of 6 months.

  Granted Advertising 3 docs

• 43 - 45 Portman Square London W1H 6LY

  04/09146/AD7 Submitted 18 Nov 2004 50 yards away

  Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m.

  Granted Advertising 3 docs

• 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