Basement And Ground Floor 42 Conduit Street London W1S 2YH

This site has had 3 applications since 2026.

• 26/04883/ADV Decided

  Basement And Ground Floor 42 Conduit Street London W1S 2YH

  Display of an internally illuminated (letters only) sign measuring 0.13m x 0.79m on mullion and an internally illuminated (letters only) hanging sign measuring 0.70m x 1.25m.

  Submitted 21 Jul 2026 Advertising
• 26/04488/LBC Awaiting decision

  Basement And Ground Floor 42 Conduit Street London W1S 2YH

  Replacement shopfront; installation of fascia and hanging signs; layout alterations; and refurbishment works. (Linked with 26/04882/FULL & 26/04883/ADV)

  Submitted 6 Jul 2026 Heritage and listed buildings

1. 21 Jul 2026

   Received by Westminster

2. 22 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 29 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 16 September 2026, 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 65 days over the applications it decided in the last year.

1 later application on the register refers to this one:

• 26/04488/LBC Awaiting decision

  Basement And Ground Floor 42 Conduit Street London W1S 2YH

  Replacement shopfront; installation of fascia and hanging signs; layout alterations; and refurbishment works. (Linked with 26/04882/FULL & 26/04883/ADV)

  Submitted 6 Jul 2026 Heritage and listed buildings

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 91 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.

• Basement And Ground Floor 42 Conduit Street London W1S 2YH

  26/04883/ADV Submitted 21 Jul 2026 50 yards away

  84% historically approved · decision due ~16 Sep

  Display of an internally illuminated (letters only) sign measuring 0.13m x 0.79m on mullion and an internally illuminated (letters only) hanging sign measuring 0.70m x 1.25m.

  Decided Advertising

• 42 Conduit Street London W1S 2YH

  25/07180/ADLBC Submitted 25 Sep 2025 50 yards away

  Detailed drawings (scale 1:5 & 1:2) of all new doors pursuant to Condition 3 b) of listed building consent dated 02 May 2024 (RN: 23/07572/LBC)

  Granted Conditions 13 docs

• Basement And Ground Floor 42 Conduit Street London W1S 2YH

  26/04488/LBC Submitted 6 Jul 2026 50 yards away

  90% historically approved · decision due ~16 Sep

  Replacement shopfront; installation of fascia and hanging signs; layout alterations; and refurbishment works. (Linked with 26/04882/FULL & 26/04883/ADV)

  Awaiting decision Heritage and listed buildings Windows or glazing 19 docs

• Washington House 40 - 41 Conduit Street London W1S 2YQ

  26/05761/FULL Submitted 21 Aug 2026 50 yards away

  87% historically approved · decision due ~16 Oct

  Use of part basement and part ground floor as dual alternative restaurant or retail (Class E) and use of part basement ground and first to sixth floors as offices (Class E), provisions for cycle storage, refuse and servicing at mezzanine level; demolition of existing roof level plant area; various extensions to the building including rear infill extension at mezzanine level, rear extension at 4th and 5th floor levels, front side and rear extensions to the 6th floor level, construction of a 7th storey extension all to provide additional office (Class E) floorspace; replacement of the rear curtain wall facade at mezzanine to 3rd floor levels; the replacement of plant within an acoustic enclosure at roof level; reconfiguration of the ground floor Conduit Street frontage and other associated development.

  Awaiting decision Full applications Extension Demolition 32 docs

• 44 Conduit Street London W1S 2YL

  02/06201/ADV Submitted 5 Aug 2002 50 yards away

  Installation of a flag and flagpole on the front elevation

  Refused Advertising 3 docs

• 44 Conduit Street London W1S 2YL

  25/08752/ADV Submitted 1 Dec 2025 50 yards away

  Display of non illuminated hanging sign measuring 0.61m x 0.12m and flag measuring 2.67m x 1.73m.

  Refused Advertising 4 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
• 26/06287/FULL Awaiting decision

  Barness Court 6 - 8 Westbourne Terrace London W2 3UW

  Installation of a new riser as per GW10 design comprising a single riser with 7 entries and 9 Taylor valves to be installed. (Linked with 26/06288/LBC)

  Received 14 Sep, published by the council 21 Sep 2026 Full applications
• 26/06278/FULL Awaiting decision

  40 Wellington Road London NW8 9TJ

  Installation of a new external access ramp/slope to provide accessibility to the Barclays bank ATM.

  Received 14 Sep, published by the council 21 Sep 2026 Full applications
• 26/06269/FULL Awaiting decision

  Maisonette Basement And Ground Floor 101 Hereford Road London W2 5BB

  Amalgamation of existing lower ground and ground floor maisonette to with the first floor flat to create a single dwelling and associated internal works including creation of a staircase. (Linked with 26/06270/LBC)

  Received 14 Sep, published by the council 21 Sep 2026 Full applications