Planning application
3 Wilton Street London SW1X 7AF
Works: Extension Loft or dormer
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
Erection of a mansard roof extension and internal alterations to third floor level.
As published by the council, reference 25/08751/LBC
Application record
- Reference
- 25/08751/LBC
- Type
- Listed Building Consent Application
- Status
- Decided
- Decision
- Application Refused
- Received
- 1 Dec 2025
- Validated
- 1 Dec 2025
- Decided
- 17 Apr 2026
- Ward
- Knightsbridge & Belgravia
- Decision by
- Delegated Decision
- Postcode
- SW1X 7AF
Site history
Applications at this address on the Westminster register
This site has had 5 applications since 2025: 1 approved, 4 refused.
-
25/08750/FULL Refused
3 Wilton Street London SW1X 7AF
Erection of a mansard roof extension.
-
25/06550/FULL Refused
3 Wilton Street London SW1X 7AF
Installation of security bars to front windows of basement and ground floors.
-
25/06551/LBC Refused
3 Wilton Street London SW1X 7AF
Installation of security bars to front windows of basement and ground floors.
-
25/05488/LBC Granted
3 Wilton Street London SW1X 7AF
Alterations to basement and ground floors including conversion of lounge to a bedroom and dressing room and other internal alterations.
Timeline
Dates from the published record
-
1 Dec 2025
Received by Westminster
-
17 Apr 2026
Decision issued: Application Refused
-
1 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Redmond Ivie Architects Agent, an architecture practice
36 applications on PlanIndex · across 8 councils · 69% 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
15 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.
Trade members open them from here.
Open the documentsWhat this refusal means
Westminster refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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 500 metres
-
3 Wilton Street London SW1X 7AF
Erection of a mansard roof extension.
Refused Full applications Extension Loft or dormer 20 docs -
3 Wilton Street London SW1X 7AF
Alterations to basement and ground floors including conversion of lounge to a bedroom and dressing room and other internal alterations.
Granted Heritage and listed buildings 18 docs -
3 Wilton Street London SW1X 7AF
Installation of security bars to front windows of basement and ground floors.
Refused Full applications Windows or glazing 28 docs -
3 Wilton Street London SW1X 7AF
Installation of security bars to front windows of basement and ground floors.
Refused Heritage and listed buildings Windows or glazing 21 docs -
6 Wilton Street London SW1X 7AF
90% historically approved · decision due ~23 Apr
Partial demolition at rear basement, ground and closet wing; extension at rear basement & ground floor with terrace and lantern rooflight over; rebuilding of closet wing with additional storey; replacement windows at rear; internal alterations. (Linked to 26/01239/FULL)
Awaiting decision Heritage and listed buildings Extension Loft or dormer +2 27 docs -
6 Wilton Street London SW1X 7AF
90% historically approved · decision due ~24 Apr
Removal of existing roof and rear third floor mansard and replacement with fourth floor mansard extension; replacement of front third floor windows and new rear third floor windows; internal alterations. [Linked to 26/01273/FULL]
Awaiting decision Heritage and listed buildings Extension Loft or dormer +1 38 docs
Other heritage and listed building applications
In Westminster
-
26/06250/LBC Awaiting decision
53 Wimpole Street London W1G 8YH
Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06249/FULL)
-
26/06203/LBC Awaiting decision
106 Blandford Street London W1U 8AG
Installation of two roof-mounted anchor posts. (Linked to 26/06202/FULL)
-
26/06187/LBC Awaiting decision
4 Shepherd Market London W1J 7QB
Installation of wall mounted highway street light on to the facade of 4 Shepherd Market.
-
26/06216/LBC Awaiting decision
208 Regent Street London W1B 5BD
Strip-out of existing, modern retail unit fixtures, fittings, stair and services, with retention of heritage and listed features, including shopfront and entrances, and ground floor ceiling details and features. Fit-out of new retail fittings, fixtures and services. Retention of shopfront with new 'like-for-like' signage and a new flag pole.
-
26/06176/LBC Awaiting decision
46 Gloucester Place London W1U 8HG
Installation of 1,100 mm high protective railings along the existing roof-level access walkway. (Linked to 26/06178/FULL)