First Floor And Second Floor Maisonette 25 Abbey Road London NW8 9AU

This site has had 2 applications since 2025.

• 25/07586/FULL Awaiting decision

  First Floor And Second Floor Maisonette 25 Abbey Road London NW8 9AU

  Amalgamation of two mezzanine flats to reinstate a single family dwelling and associated internal and external alterations. (Linked to 25/07587/LBC)

  Submitted 20 Oct 2025 Full applications

1. 20 Oct 2025

   Received by Westminster

2. 5 Nov 2025

   Validated

   Checked as complete and ready for consideration.

3. 21 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 31 December 2025, 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 65 days over the applications it decided in the last year.

• 25/07586/FULL Awaiting decision

  First Floor And Second Floor Maisonette 25 Abbey Road London NW8 9AU

  Amalgamation of two mezzanine flats to reinstate a single family dwelling and associated internal and external alterations. (Linked to 25/07587/LBC)

  Submitted 20 Oct 2025 Full applications

1 later application on the register refers to this one:

• 25/07586/FULL Awaiting decision

  First Floor And Second Floor Maisonette 25 Abbey Road London NW8 9AU

  Amalgamation of two mezzanine flats to reinstate a single family dwelling and associated internal and external alterations. (Linked to 25/07587/LBC)

  Submitted 20 Oct 2025 Full applications

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided heritage and listed building applications in a median of 93 days. More in our guide to how long planning decisions take.

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.

• First Floor And Second Floor Maisonette 25 Abbey Road London NW8 9AU

  25/07586/FULL Submitted 20 Oct 2025 0m away

  87% historically approved · decision due ~31 Dec

  Amalgamation of two mezzanine flats to reinstate a single family dwelling and associated internal and external alterations. (Linked to 25/07587/LBC)

  Awaiting decision Full applications New dwelling 11 docs
  Domestic

• 25 Abbey Road London NW8 9AU

  26/05238/FULL Submitted 3 Aug 2026 2m away

  87% historically approved · decision due ~9 Oct

  The construction of front and rear extensions at lower ground floor level, together with associated internal alterations, localised lowering and insulation of the basement floor, formation of new openings, repairs to the existing historic fabric, and landscaping works. (Linked with 26/05239/LBC)

  Awaiting decision Full applications Extension

• 25 Abbey Road London NW8 9AU

  26/05239/LBC Submitted 3 Aug 2026 2m away

  90% historically approved · decision due ~9 Oct

  The construction of front and rear extensions at lower ground floor level, together with associated internal alterations, localised lowering and insulation of the basement floor, formation of new openings, repairs to the existing historic fabric, and landscaping works. (Linked with 26/05238/FULL)

  Awaiting decision Heritage and listed buildings Extension

• 23-25 Abbey Road London NW8 9AU

  23/04012/LBC Submitted 14 Jun 2023 3m away

  Erection of dormer windows to side and rear roof slopes of 23 and 25 Abbey Road and internal alterations at 2nd floor levels to create access to new loft spaces. (Linked with 23/04011/FULL)

  Granted Heritage and listed buildings Loft or dormer Windows or glazing 17 docs

• 23-25 Abbey Road London NW8 9AU

  23/04011/FULL Submitted 14 Jun 2023 3m away

  Erection of dormer windows to side and rear roof slopes of 23 and 25 Abbey Road and internal alterations at 2nd floor levels to create access to new loft spaces. (Linked with 23/04012/LBC)

  Granted Full applications Loft or dormer Windows or glazing 21 docs

• 31 Abbey Road London NW8 9AU

  22/05042/TPO Submitted 25 Jul 2022 27m away

  3 x limes (T1 to T3): crown reduce to previous, most recent reduction points, retaining shortened furnishing growth and at least 50% of fine branch structure for crown continuity.

  Granted Trees 5 docs

• 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)

  11 Sep 2026 Heritage and listed buildings
• 26/06203/LBC Awaiting decision

  106 Blandford Street London W1U 8AG

  Installation of two roof-mounted anchor posts. (Linked to 26/06202/FULL)

  10 Sep 2026 Heritage and listed buildings
• 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.

  10 Sep 2026 Heritage and listed buildings
• 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.

  10 Sep 2026 Heritage and listed buildings
• 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)

  9 Sep 2026 Heritage and listed buildings