Planning application
Chagford House Chagford Street London NW1 6EG
Works: Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Details of new sash windows and sash boxes pursuant to Condition 3 of Listed Building Consent dated 29 January 2025 (RN24/07848/LBC)
As published by the council, reference 26/00639/ADLBC
Application record
- Reference
- 26/00639/ADLBC
- Type
- Approval of Details (ADLBC)
- Status
- Pending
- Received
- 4 Feb 2026
- Validated
- 25 Feb 2026
- Ward
- Regent's Park
- Postcode
- NW1 6EG
Site history
Applications at this address on the Westminster register
This site has had 2 applications since 2025: 1 approved, 0 refused.
-
25/06167/LBC Granted
Chagford House Chagford Street London NW1 6EG
Replacement of existing internal door.
Timeline
Dates from the published record
-
4 Feb 2026
Received by Westminster
-
25 Feb 2026
Validated
Checked as complete and ready for consideration.
-
21 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 22 April 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.
Who's behind it
Company information only, from the register and Companies House
Archway Building Consultancy Ltd Agent, registered in Edgware
Active · incorporated 2017 · Edgware
339 applications on PlanIndex · across 19 councils · 91% 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 recordDocuments
Plans, drawings, consultee responses and the officer's report
6 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 documentsWhat 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 condition discharge and variation applications in a median of 42 days. More in our guide to how long planning decisions take.
About condition discharge and variation applications
This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
Flat 14 Chagford House Chagford Street London NW1 6EG
90% historically approved · decision due ~21 Jul
Internal alterations and refurbishment at second floor level, including the removal and addition of partitions.
Decided Heritage and listed buildings 13 docs -
Flat 14 Chagford House Chagford Street London NW1 6EG
87% historically approved · decision due ~21 Jul
Replacement of a window at second floor front elevation with double glazed timber sash window. (Linekd with 26/03430/LBC)
Awaiting decision Full applications Windows or glazing 9 docs -
Flat 14 Chagford House Chagford Street London NW1 6EG
Replacement of a single window at second floor front elevation with timber casement window with sash bar and inset fans. (Linked to 26/00103/LBC)
Refused Full applications Windows or glazing 24 docs -
Flat 14 Chagford House Chagford Street London NW1 6EG
Replacement of a single window at second floor front elevation with timber casement window with sash bar and inset fans; layout configurations; and internal refurbishment works. (Linked to 26/00102/FULL)
Refused Heritage and listed buildings Windows or glazing 21 docs -
Chagford House Chagford Street London NW1 6EG
Replacement of existing internal door.
Granted Heritage and listed buildings 10 docs -
Flat 14 Chagford House Chagford Street London NW1 6EG
90% historically approved · decision due ~21 Jul
Replacement of a window at second floor front elevation with double glazed timber sash window. (Linked with 26/03429/FULL)
Awaiting decision Heritage and listed buildings Windows or glazing 9 docs
Other condition discharge and variation applications
In Westminster
-
26/04860/ADLBC Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Details of external and internal signage strategy pursuant to Condition 7(E) of listed building consent dated 12th February 2021 (RN: 19/07816/LBC)
-
26/04843/ADLBC Granted
New Zealand House 80 Haymarket London SW1Y 4TE
Detailed design and specification of new blinds to NZH based on mock-up trials on-site pursuant to Condition 6(m) of listed building consent dated 12th February 2021 (19/07816/LBC).
-
26/05026/ADLBC Awaiting decision
St James's Park The Mall London SW1A 1AA
Details of method statement for re-carving works pursuant to condition 3(i) of listed building consent dated 16 July 2026 (RN: 26/03399/LBC)
-
26/04850/ADLBC Awaiting decision
17 Belgrave Square London SW1X 8PG
Detailed drawings of garage doors, roof lantern and any new lighting and flooring in the principal rooms pursuant to condition 6 (iii) (iv) (v) of listed building 18th August 2025 (RN:25/03417/LBC)
-
25/07120/ADLBC Granted
72 - 74 Lancaster Gate London W2 3NH
Details of new and altered doors and door architraves, including external faces of lifts (detailed elevations and sections at 1:10) pursuant to Condition 3 (A) of Listed Building Consent dated 14 December 2023 (RN: 23/00772/LBC) (Linked app: 25/07088/ADFULL)