128 Piccadilly London W1J 7PY

This site has had 2 applications since 2026.

• 26/04489/FULL Decided

  128 Piccadilly London W1J 7PY

  Erection of a single storey extension at 4th floor level facilitating link between existing bedrooms and internal alterations to door openings and alterations to existing structure to incorporate extension. (Linked with 26/04490/LBC)

  Submitted 6 Jul 2026 Full applications

1. 6 Jul 2026

   Received by Westminster

2. 10 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. 11 Sep 2026

   Status changed to Decided

   Previously Pending.

1 later application on the register refers to this one:

• 26/04489/FULL Decided

  128 Piccadilly London W1J 7PY

  Erection of a single storey extension at 4th floor level facilitating link between existing bedrooms and internal alterations to door openings and alterations to existing structure to incorporate extension. (Linked with 26/04490/LBC)

  Submitted 6 Jul 2026 Full applications

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.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• 128 Piccadilly London W1J 7PY

  26/04489/FULL Submitted 6 Jul 2026 50 yards away

  87% historically approved · decision due ~4 Sep

  Erection of a single storey extension at 4th floor level facilitating link between existing bedrooms and internal alterations to door openings and alterations to existing structure to incorporate extension. (Linked with 26/04490/LBC)

  Decided Full applications Extension 18 docs
  Small domestic

• 4 Old Park Lane London W1K 1QW

  06/02453/ADFULL Submitted 30 Mar 2006 50 yards away

  Details of replacement windows to the Old Park Lane elevation pursuant to Condition 7 of planning permission dated 26 July 2005 (RN: 05/03009).

  Granted Full applications Windows or glazing 3 docs

• 4 Old Park Lane London W1K 1QW

  06/02189/ADFULL Submitted 21 Mar 2006 50 yards away

  Details of the northwest facing brickwork and quoins pursuant to Condition 5 of planning permission dated 26 July 2005 (RN: 05/03009).

  Granted Full applications 3 docs

• 4 Old Park Lane London W1K 1QW

  08/02340/ADV Submitted 10 Mar 2008 50 yards away

  Display of a non-illuminated fascia sign.

  Decided Advertising 6 docs

• 4 Old Park Lane London W1K 1QW

  05/03010/CAC Submitted 19 Apr 2005 50 yards away

  Demolition of roof and chimneys; internal walls, stairs, ground floor and basement floor; and removal of painted render flank wall skin.

  Decided Heritage and listed buildings Demolition 2 docs

• 4 Old Park Lane London W1K 1QW

  05/03009/FULL Submitted 19 Apr 2005 50 yards away

  Single storey roof extension for office purposes (Class B1), refurbishment including alterations to front and rear windows and re-cladding of side elevation.

  Granted Full applications Extension Windows or glazing 14 docs
  Small domestic

• 26/04878/LBC Decided

  34 Grosvenor Street London W1K 4QU

  Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

  Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
• 26/06299/LBC Awaiting decision

  Apartment 33 24 Park Crescent London W1B 1AA

  Alterations to internal partitions, door openings, doors and floor finishes.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06305/LBC Awaiting decision

  33A Dean Street London W1D 4PP

  Installation of new concrete slab with drainage channels at basement level and new fire surround in B.01.

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/06318/LBC 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 26/06317/FULL)

  Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
• 26/04141/LBC Decided

  80E Randolph Avenue London W9 1BG

  Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

  Received 23 Jun, published by the council 21 Jul 2026 Heritage and listed buildings