1 St Mary's Terrace London W2 1SU

This site has had 2 applications since 2025: 1 approved, 0 refused.

• 26/07283/FULL Awaiting decision

  1 St Mary's Terrace London W2 1SU

  Removal of the existing roof, dismantling of existing chimneys and pots and erection of a single storey mansard extension, reinstatement of chimneys and pots with accompanying external terrace, rooflights and balustrade to the rear elevation, and dormer windows to the front elevation.

  Submitted 23 Oct 2026 Full applications

1. 11 Nov 2025

   Received by Westminster

2. 19 May 2026

   Decision issued: Prior Approval Approved

3. 20 Jul 2026

   Added to PlanIndex

Westminster granted permission on 19 May 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 1 St Mary's Terrace London W2 1SU

  26/07283/FULL Submitted 23 Oct 2026 50 yards away

  88% historically approved · decision due ~18 Dec

  Removal of the existing roof, dismantling of existing chimneys and pots and erection of a single storey mansard extension, reinstatement of chimneys and pots with accompanying external terrace, rooflights and balustrade to the rear elevation, and dormer windows to the front elevation.

  Awaiting decision Full applications Extension Loft or dormer +1
  Small domestic

• 6 Hogan Mews London W2 1UP

  25/07690/FULL Submitted 23 Oct 2025 50 yards away

  Erection of single storey ground floor rear extension, erection of roof extension to the rear; installation of rooflights; and installation of new garage door in association with use of garage as habitable accommodation.

  Granted Full applications Extension Loft or dormer 20 docs
  Small domestic

• 21 Hogan Mews London W2 1UP

  03/07919/TCA Submitted 6 Oct 2003 50 yards away

  4 x Cypress: (T1-T4), fell, 1 x Conifer: (T5), fell.

  Granted Trees 1 doc

• 8 Hogan Mews London W2 1UP

  04/08806/FULL Submitted 8 Nov 2004 50 yards away

  Construction of a single storey rear extension to existing single dwellinghouse.

  Granted Full applications Extension 11 docs
  Small domestic

• 4 Hogan Mews London W2 1UP

  07/09334/TCA Submitted 18 Oct 2007 50 yards away

  2 x Sycamores (Rear): Removal.

  Granted Trees 1 doc

• 18 Hogan Mews London W2 1UP

  24/00563/CLOPUD Submitted 30 Jan 2024 50 yards away

  Confirmation that the property has been rented since 2012 and the use is residential for a period of over 10 years.

  Withdrawn Lawful development 12 docs

• 26/01122/PALHE Withdrawn

  Buckingham Palace The Mall London SW1A 1AA

  short back and sides around the exterior

  Received 23 Feb, published by the council 21 Jul 2026 Prior approval
• 26/05874/APA Awaiting decision

  Charing Cross Station Strand London WC2N 5HS

  Prior approval under part 18 (class a) of the town and country planning (general permitted development) (England) order 2015 Villiers Street façade external alterations at London Charing Cross station, WC2N 5HF

  Received 3 Aug, published by the council 4 Sep 2026 Prior approval
• 26/03606/DPAD Awaiting decision

  6 Crompton Street London W2 1ND

  Demolition of the main building down to the ground floor and retain and cap off the existing basement; demolition of external garages and the boundary walls retained; and new boundary wall or fencing.

  Received 2 Jun, published by the council 21 Jul 2026 Prior approval
• 26/03580/P3JPA Awaiting decision

  Leconfield House Curzon Street London W1J 5JA

  Prior approval for change of use from commercial (Class E) to residential (Class 3) at Leconfield House, Curzon Street under Schedule 2, Part 3, Class MA (Commercial, business and service to dwelling houses).

  Received 1 Jun, published by the council 21 Jul 2026 Prior approval
• 26/01145/P3JPA Granted

  Stone House 9 Weymouth Street London W1W 6DB

  Change of use of ground floor of 9 Weymouth Street, a Commercial, Business, Services (Use Class E) to Dwellinghouses (Use Class C3) Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) under Schedule 2, Part 3, Class MA (Commercial, business and service to dwelling houses).

  Received 24 Feb, published by the council 21 Jul 2026 Prior approval