17 Graham Terrace London SW1W 8JE

1. 24 Sep 2025

   Received by Westminster

2. 23 Dec 2025

   Validated

   Checked as complete and ready for consideration.

3. 12 Feb 2026

   Decision issued: Application Permitted

4. 21 Jul 2026

   Added to PlanIndex

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.

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.

• 1 Graham Terrace London SW1W 8JE

  26/06099/LBC Submitted 7 Sep 2026 50 yards away

  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

  26/06098/FULL Submitted 7 Sep 2026 50 yards away

  88% 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

  26/06195/FULL Submitted 10 Sep 2026 50 yards away

  88% historically approved · decision due ~5 Nov

  Demolition of rear single-storey outbuilding, construction of two storey extension at lower ground and ground floor levels with roof terrace formed over the roof of the lower ground floor extension. Render and install flat roof on rear outrigger. Reinstatement of butterfly roof form at main roof level. Install new metal external stair and gate from street level down to the lower ground floor lightwell. Replacement double-glazed timber windows.

  Awaiting decision Full applications Extension Demolition +1
  Small domestic

• 1 Graham Terrace London SW1W 8JE

  26/01802/LBC Submitted 19 Mar 2026 50 yards away

  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

  26/01801/FULL Submitted 19 Mar 2026 50 yards away

  88% 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

  26/05188/FULL Submitted 31 Jul 2026 50 yards away

  88% historically approved · decision due ~14 Oct

  Erection of a rear ground floor infill extension, new front ground floor railings and gate, new railings around rear first floor flat roof in connection with use as a terrace, enlargement of roof hatch and installation of air conditioning unit on the roof.

  Decided Full applications Extension

• 26/07468/CLOPUD Awaiting decision

  14 - 16 Great Portland Street London W1W 8QW

  Confirmation the demolition of the existing outrigger structure at fifth floor level (the Proposed Works) constitutes the lawful commencement of development pursuant to the Permission.

  Received 3 Nov, published by the council 5 Nov 2026 Lawful development
• 26/07423/CLOPUD Awaiting decision

  103 Elgin Avenue London W9 2NP

  Painting of the decorative stonework, window frames and doors on the front elevation and front boundary wall

  Received 2 Nov, published by the council 4 Nov 2026 Lawful development
• 26/07454/CLOPUD Awaiting decision

  10 Stratton Street London W1J 8LG

  Changes to existing windows and doors

  Received 2 Nov, published by the council 5 Nov 2026 Lawful development
• 26/07381/CLEUD Awaiting decision

  Ground Floor Rear Flat 4 Mozart Street London W10 4LA

  Use of the ground floor rear flat as short-term visitor accommodation.

  Received 28 Oct, published by the council 5 Nov 2026 Lawful development
• 26/07339/CLOPUD Awaiting decision

  123 Victoria Street London SW1E 6DE

  Use of part of ground floor reception area within Class E including, but not limited to, a retail café (Class E(a)).

  Received 27 Oct, published by the council 30 Oct 2026 Lawful development