25 Abbey Road London NW8 9AU

This site has had 2 applications since 2026.

• 26/05239/LBC Awaiting decision

  25 Abbey Road London NW8 9AU

  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)

  Submitted 3 Aug 2026 Heritage and listed buildings

1. 3 Aug 2026

   Received by Westminster

2. 14 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 14 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 9 October 2026, 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 61 days over the applications it decided in the last year.

• 26/05239/LBC Awaiting decision

  25 Abbey Road London NW8 9AU

  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)

  Submitted 3 Aug 2026 Heritage and listed buildings

1 later application on the register refers to this one:

• 26/05239/LBC Awaiting decision

  25 Abbey Road London NW8 9AU

  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)

  Submitted 3 Aug 2026 Heritage and listed buildings

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 85 days. More in our guide to how long planning decisions take.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 25 Abbey Road London NW8 9AU

  26/05239/LBC Submitted 3 Aug 2026 0m 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

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

  25/07586/FULL Submitted 20 Oct 2025 2m 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

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

  25/07587/LBC Submitted 20 Oct 2025 2m away

  90% 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 25/07586/FULL)

  Awaiting decision Heritage and listed buildings New dwelling 8 docs
  Domestic

• 31 Abbey Road London NW8 9AU

  22/05042/TPO Submitted 25 Jul 2022 28m 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

• 32B Abbey Road London NW8 9AX

  25/06056/FULL Submitted 26 Aug 2025 46m away

  Use of part of flat roof as a terrace to the first floor rear extension, with associated screening. Installation of sedum roof.

  Refused Full applications Extension 16 docs

• Dudley Mansions 15-17 Abbey Road London NW8 9AR

  09/08111/TCA Submitted 7 Oct 2009 47m away

  1 x small self seed sycamore (rear, directly adjacent to boundary with 1 Abbey Gardens): removal.

  Granted Trees 3 docs

• 26/06024/FULL Awaiting decision

  House Of Commons Palace Of Westminster Parliament Square London SW1A 0AA

  Installation of new and replacement electronic equipment within Speaker. (Linked with 26/06025/LBC)

  3 Sep 2026 Full applications
• 26/06017/FULL Awaiting decision

  38 Lauderdale Mansions Lauderdale Road London W9 1NE

  Installation of an external AC Unit / Heat Pump at roof level.

  2 Sep 2026 Full applications
• 26/05938/FULL Awaiting decision

  24 Vincent Square London SW1P 2NJ

  Subdivision of existing residential property to create two self-contained 3-bedroom family homes, along with cycle parking and associated external alterations.

  1 Sep 2026 Full applications
• 26/05935/FULL Awaiting decision

  47 Hereford Road London W2 5AH

  Installation of one number new external condenser unit to the southerly elevation service alley.

  1 Sep 2026 Full applications
• 26/05959/FULL Awaiting decision

  Basement And Ground Floor 50 New Bond Street London W1S 1BJ

  Installation of three new condensers on the roof, within an existing designated plant area.

  1 Sep 2026 Full applications