Planning application
Sofia House 19 Conduit Street London W1S 2BH
Works: Demolition
Relates to 26/02841/FULL
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
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)
As published by the council, reference 26/05695/ADFULL
Application record
- Reference
- 26/05695/ADFULL
- Status
- Pending
- Received
- 19 Aug 2026
- Validated
- 19 Aug 2026
- Postcode
- W1S 2BH
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2026.
-
26/02841/FULL Awaiting decision
Sofia House 19 Conduit Street London W1S 2BH
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
Timeline
Dates from the published record
-
19 Aug 2026
Received by Westminster
-
24 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 14 October 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 61 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
-
26/02841/FULL Awaiting decision
Sofia House 19 Conduit Street London W1S 2BH
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
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's median decision took 61 days. More in our guide to how long planning decisions take.
About this record
The published feed does not state which type of application this is; the register entry on Westminster's portal will say. Our guide explains the common types.
Nearby applications
Within 500 metres
-
20 Conduit Street London W1S 2XW
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
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
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
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
87% 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 -
20 Conduit Street London W1S 2XW
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