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Planning application

20 Conduit Street London W1S 2XW

Granted Westminster 25/06305/LBC Listed Building Consent Application

Relates to 25/06304/FULL

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Installation of replacement ground floor primary office entrance door; Retention of fanlight and recolouring of building number signage and replacement of intercom. (Linked to 25/06304/FULL)

As published by the council, reference 25/06305/LBC

Application record

Reference
25/06305/LBC
Type
Listed Building Consent Application
Status
Decided
Decision
Granted As published: Application Permitted
Received
4 Sep 2025
Validated
4 Sep 2025
Decided
28 Oct 2025
Ward
West End
Decision by
Delegated Decision
Postcode
W1S 2XW

Site history

Applications at this address on the Westminster register

This site has had 6 applications since 2025: 2 approved, 0 refused.

  • 26/05636/ADFULL Decided

    20 Conduit Street London W1S 2XW

    Details of conservation rooflights, new rear door, and new rear window pursuant to condition 4 of planning permission dated 27.05.2026 (RN:26/02022/FULL). (Linked with 26/05630/ADLBC)

    Submitted 18 Aug 2026
  • 26/05630/ADLBC Decided

    20 Conduit Street London W1S 2XW

    Detailed drawings of the Conservation Rooflights, new Rear Door, and new rear window; Pursuant to condition 2 of Listed Building Consent dated 27th May 2026 (26/02023/LBC)

    Submitted 18 Aug 2026
  • 26/02023/LBC Awaiting decision

    20 Conduit Street London W1S 2XW

    Internal alterations at fifth floor level, installation of two conservation style rooflights at roof level, installation of one rear casement window at fifth floor level, replacement of existing maintenance access door with new glazed door, replacement of damaged roof tiles and installation of insulation; and removal and installation of two new MVHR extract and intake roof cowls. (Linked to 26/02022/FULL)

    Submitted 26 Mar 2026 Heritage and listed buildings
  • 26/02022/FULL Awaiting decision

    20 Conduit Street London W1S 2XW

    Installation of two conservation style rooflights at roof level, installation of one rear casement window at fifth floor level, replacement of existing maintenance access door with new glazed door, replacement of damaged roof tiles and installation of insulation; and removal and installation of two new MVHR extract and intake roof cowls. (Linked to 26/02023/LBC)

    Submitted 26 Mar 2026 Full applications
  • 25/06304/FULL Granted

    20 Conduit Street London W1S 2XW

    Installation of replacement ground floor primary office entrance door; Retention of fanlight and recolouring of building number signage and replacement of intercom.(Linked to 25/06305/LBC)

    Decided 28 Oct 2025 Full applications

Timeline

Dates from the published record

  1. 4 Sep 2025

    Received by Westminster

  2. 28 Oct 2025

    Decision issued: Application Permitted

  3. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 25/06304/FULL Granted

    20 Conduit Street London W1S 2XW

    Installation of replacement ground floor primary office entrance door; Retention of fanlight and recolouring of building number signage and replacement of intercom.(Linked to 25/06305/LBC)

    Decided 28 Oct 2025 Full applications

1 later application on the register refers to this one:

  • 25/06304/FULL Granted

    20 Conduit Street London W1S 2XW

    Installation of replacement ground floor primary office entrance door; Retention of fanlight and recolouring of building number signage and replacement of intercom.(Linked to 25/06305/LBC)

    Decided 28 Oct 2025 Full applications

Who's behind it

Company information only, from the register and Companies House

Savills (UK) Ltd Agent, registered in London

Active · incorporated 1991 · London

1,135 applications on PlanIndex · across 154 councils · 94% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

Plans, drawings, consultee responses and the officer's report

13 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Westminster granted permission on 28 October 2025, 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.

About heritage and listed building applications

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.

Nearby applications

Within 0.3 miles

  • 20 Conduit Street London W1S 2XW

    25/06304/FULL Submitted 4 Sep 2025 50 yards away

    Installation of replacement ground floor primary office entrance door; Retention of fanlight and recolouring of building number signage and replacement of intercom.(Linked to 25/06305/LBC)

    Granted Full applications 18 docs

  • 20 Conduit Street London W1S 2XW

    26/02023/LBC Submitted 26 Mar 2026 50 yards away

    90% historically approved · decision due ~21 May

    Internal alterations at fifth floor level, installation of two conservation style rooflights at roof level, installation of one rear casement window at fifth floor level, replacement of existing maintenance access door with new glazed door, replacement of damaged roof tiles and installation of insulation; and removal and installation of two new MVHR extract and intake roof cowls. (Linked to 26/02022/FULL)

    Awaiting decision Heritage and listed buildings Loft or dormer Roofing +1 21 docs

  • 20 Conduit Street London W1S 2XW

    26/05636/ADFULL Submitted 18 Aug 2026 50 yards away

    89% historically approved · decision due ~13 Oct

    Details of conservation rooflights, new rear door, and new rear window pursuant to condition 4 of planning permission dated 27.05.2026 (RN:26/02022/FULL). (Linked with 26/05630/ADLBC)

    Decided Loft or dormer Windows or glazing

  • 20 Conduit Street London W1S 2XW

    26/05630/ADLBC Submitted 18 Aug 2026 50 yards away

    89% historically approved · decision due ~13 Oct

    Detailed drawings of the Conservation Rooflights, new Rear Door, and new rear window; Pursuant to condition 2 of Listed Building Consent dated 27th May 2026 (26/02023/LBC)

    Decided Loft or dormer Windows or glazing

  • 20 Conduit Street London W1S 2XW

    26/02022/FULL Submitted 26 Mar 2026 50 yards away

    88% historically approved · decision due ~21 May

    Installation of two conservation style rooflights at roof level, installation of one rear casement window at fifth floor level, replacement of existing maintenance access door with new glazed door, replacement of damaged roof tiles and installation of insulation; and removal and installation of two new MVHR extract and intake roof cowls. (Linked to 26/02023/LBC)

    Awaiting decision Full applications Loft or dormer Roofing +1 26 docs

  • Sofia House 19 Conduit Street London W1S 2BH

    26/05695/ADFULL Submitted 19 Aug 2026 50 yards away

    89% historically approved · decision due ~14 Oct

    Details of the pre-demolition audit in accordance with section 4.6 of the GLA's adopted Circular Economy; pursuant to condition 12 of Planning Permission dated 31 July 2026 (26/02841/FULL)

    Awaiting decision Demolition

In Westminster

  • 26/07509/LBC 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 26/07508/FULL)

    Received 4 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
  • 26/07471/LBC Awaiting decision

    12 Queen Anne's Gate London SW1H 9AA

    Excavation of single-storey basement, internal reconfiguration and installation of modern services. (Linked with 26/07470/FULL)

    Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
  • 26/07461/LBC Awaiting decision

    1 Savile Row London W1S 3JR

    Minor internal works comprising redecoration and upgrades to lighting, flooring and bathroom and kitchen facilities, together with external works including new lighting and signage.

    Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
  • 26/07442/LBC Awaiting decision

    2 Charing Cross Road London WC2H 0HH

    Installation of festoon lights to the front elevation from top of existing columns to canopy fascia level including installation of perimeter lightbox to main top sign and coloured light to columns.

    Received 2 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
  • 26/07445/LBC Awaiting decision

    29 Gloucester Place London W1U 8HT

    Installation of glazed partitions and door sets to form meeting rooms on 2nd , 3rd and 4th floor offices.

    Received 2 Nov, published by the council 5 Nov 2026 Heritage and listed buildings