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Planning application

20 Conduit Street London W1S 2XW

Awaiting decision Westminster 26/02022/FULL Full Planning Permission Application

Works: Loft or dormer Roofing Windows or glazing

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

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)

As published by the council, reference 26/02022/FULL

Application record

Reference
26/02022/FULL
Type
Full Planning Permission Application
Status
Pending
Received
26 Mar 2026
Validated
26 Mar 2026
Ward
West End
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
  • 25/06305/LBC 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 25/06304/FULL)

    Decided 28 Oct 2025 Heritage and listed buildings
  • 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. 26 Mar 2026

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 21 May 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 66 days over the applications it decided in the last year.

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 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

Who's behind it

Company information only, from the register and Companies House

Savills (UK) Ltd Agent, registered in London

Active · incorporated 1991 · London

982 applications on PlanIndex · across 138 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

26 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 happens while it is decided

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.

About full applications

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.

Nearby applications

Within 0.3 miles

  • 20 Conduit Street London W1S 2XW

    25/06305/LBC 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 25/06304/FULL)

    Granted Heritage and listed buildings 13 docs

  • 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

  • Sofia House 19 Conduit Street London W1S 2BH

    26/02841/FULL Submitted 29 Apr 2026 50 yards away

    87% historically approved · decision due ~24 Jun

    Erection of five storey rear extension including extension of lower ground floor, roof level alterations, including new dormers and extension to rear, installation of plant and alterations associated with refurbishment of building

    Awaiting decision Full applications Extension Loft or dormer 55 docs

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront with Medication Dispensing Outlet.

    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 replacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06294/FULL Awaiting decision

    15 Eaton Mews South London SW1W 9HP

    Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06317/FULL 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 26/06318/LBC)

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06273/FULL Awaiting decision

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

    Received 14 Sep, published by the council 22 Sep 2026 Full applications