Planning application
17 Graham Terrace London SW1W 8JE
Works: Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Maintenance works to six windows at the front and rear of the building, including the replacement of one first floor front elevation window.
As published by the council, reference 25/06879/CLOPUD
Application record
- Reference
- 25/06879/CLOPUD
- Type
- Certificate of Lawfulness (proposed)
- Status
- Decided
- Decision
- Granted As published: Application Permitted
- Received
- 24 Sep 2025
- Validated
- 23 Dec 2025
- Decided
- 12 Feb 2026
- Ward
- Knightsbridge & Belgravia
- Decision by
- Delegated Decision
- Postcode
- SW1W 8JE
Timeline
Dates from the published record
-
24 Sep 2025
Received by Westminster
-
23 Dec 2025
Validated
Checked as complete and ready for consideration.
-
12 Feb 2026
Decision issued: Application Permitted
-
21 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
19 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 this grant of permission means
Westminster granted permission on 12 February 2026, 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 lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
1 Graham Terrace London SW1W 8JE
90% historically approved · decision due ~9 Nov
Listed building consent for amendments to the approved scheme under LBC application 26/01802/LBC for the installation of a condenser unit within the existing front pavement vault, the comprise of the formation of a new ventilation opening, approximately 450mm wide x 800mm high, incorporating a 75% high free-area grille/bird guard, together with replacement of the existing modern vault door with a fully louvred door. (Linked to 26/06098/FULL)
Awaiting decision Heritage and listed buildings -
1 Graham Terrace London SW1W 8JE
87% historically approved · decision due ~9 Nov
Variation of condition 4 of planning permission dated 28th May 2026 (RN:26/01801/FULL) for the Installation of air conditioning unit to front vault. Namely, to provide a new opening adjacent to the existing louvred vault door and replace the existing vault door with a fully louvred door. (Linked to 26/06099/LBC)
Awaiting decision Full applications -
2 Graham Terrace London SW1W 8JH
87% historically approved · decision due ~5 Nov
Demolition of the existing single-storey garden shed/outbuilding attached to the rear of the house; excavation to extend the lower ground floor further into the garden; a new upper ground floor extension opening onto a new terrace formed over the roof of the lower ground floor extension. Existing outrigger's monopitch roof removed and replaced with a flat roof; the outrigger is rendered. The later loft storage room removed in its entirety and the historic butterfly roof form reinstated. A new metal external stair and gate are installed from street level down to the lower ground floor lightwell. All existing single-glazed timber windows are replaced with double-glazed timber windows of matching design.
Awaiting decision Full applications Extension Demolition +1Small domestic -
1 Graham Terrace London SW1W 8JE
90% historically approved · decision due ~22 May
Installation of air conditioning unit to front vault for comfort cooling including associated internal ducting and other associated works. (Linked with 26/01801/FULL)
Awaiting decision Heritage and listed buildings 10 docs -
1 Graham Terrace London SW1W 8JE
87% historically approved · decision due ~22 May
Installation of air conditioning unit to front vault for comfort cooling including associated internal ducting and other associated works. (Linked with 26/01802/LBC)
Awaiting decision Full applications 16 docs -
83 Chester Row London SW1W 8JL
87% historically approved · decision due ~2 Oct
Erection of a ground Floor infill extension and associated refurbishment works.
Awaiting decision Full applications Extension
Other lawful development applications
In Westminster
-
26/06158/CLOPUD Awaiting decision
2 Hamilton Gardens London NW8 9PT
Erection of replacement, enlarged single storey ground floor rear extension.
-
26/06080/CLEUD Awaiting decision
91 Gloucester Place London W1U 6JG
Certificate of lawfulness for an existing use or development to confirm that the development authorised by full planning permission ref. 22/08385/FULL & listed building consent (RN 22/08386/LBC) has lawfully commenced as a result of the works evidenced.
-
26/06044/CLOPUD Awaiting decision
9 Abinger Mews W9 3SP
Proposed loft conversion with rear dormer and 3 front rooflights to existing mid-terraced house.
-
26/06035/CLOPUD Awaiting decision
30 Ashworth Road W9 1JY
Erection of new garden retaining wall and erection of new garden timber fence to match the height of existing fence.
-
26/05871/CLEUD Awaiting decision
32 Cambridge Street London SW1V 4QH
Confirmation of the lawful implementation of planning permission dated 13 August 2021 (RN: 21/04143/FULL) has commenced before the expiry of the three year time period and may, therefore, lawfully be carried out and completed.