3, Second Avenue, London, SW14 8QF

1. 24 Jul 2026

   Received by Richmond upon Thames

2. 30 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 18 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Richmond upon Thames took a median of 46 days over the applications it decided in the last year.

This application is with Richmond upon Thames for determination, against a statutory target of eight weeks. Over the last year Richmond upon Thames decided householder applications in a median of 55 days. More in our guide to how long planning decisions take.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• First Floor Flat 13 Second Avenue Mortlake London SW14 8QF

  PA26/0660 Submitted 26 Feb 2026 25m away

  Rear Dormer roof extension and roof lights.

  Granted Full applications Extension Loft or dormer 16 docs

• 320 Cowley Mansions Mortlake High Street Mortlake Richmond Upon Thames SW14 8SL

  05/T0399/TCA Submitted 24 Jun 2005 38m away

  T1 - Gum - Reduce by 30% and reshape where necessary. T2 - Yew (Taxus baccata) - Remove.

  Granted Trees

• 14 Second Avenue Mortlake London SW14 8QE

  PA26/2480 Submitted 15 Jul 2026 44m away

  Single-storey rear and side infill ground floor extension, rear dormer roof extension and front rooflights

  Granted Householder Extension Loft or dormer 13 docs
  Small domestic

• 14 Second Avenue Mortlake London SW14 8QE

  PA26/1601 Submitted 11 May 2026 44m away

  Single-storey rear and side infill extension, rear dormer roof extension and front rooflights

  Refused Householder Extension Loft or dormer 13 docs
  Small domestic

• 308 Cowley Mansions Mortlake High Street Mortlake London SW14 8SL

  23/0166/FUL Submitted 20 Jan 2023 44m away

  Rear dormer roof extension and roof lights to front roofslope.

  Granted Full applications Extension Loft or dormer 12 docs

• 338 Cowley Mansions Mortlake High Street Mortlake London

  24/T0819/TCA Submitted 26 Sep 2024 50m away

  T1 - Sycamore - Pollard to original points -The Tree is approx. 18m high and 18m wide. It has a lapsed pollard carried out many years ago. We are seeking to re-pollard to the original points. The finished height will be approx. 6m high and approx. 6m wide

  Granted Trees 2 docs

• PA26/3174 Awaiting decision

  6 Fielding Mews Barnes London SW13 9EY

  Existing roof lantern to be replaced with flat skylight with the same dimensions and installation of skylight

  14 Sep 2026 Householder
• PA26/2509 Refused

  76, Milner Drive, Twickenham, TW2 7PJ

  New front porch to give access to the house from the front elevation. Brick up side door. New bi-fold doors to the rear and internal modifications to improve general access and circulation on the ground floor

  20 Jul 2026 Householder
• PA26/2531 Granted

  15 Wick Road Teddington TW11 9DN

  Proposed single storey rear infill extension.

  21 Jul 2026 Householder
• PA26/2549 Granted

  54A, Somerset Road, Teddington, TW11 8RY

  External alterations including the application of render, the installation of new first-floor rear windows and replacement of existing windows, replacement of the front door, the conversion and extension of the existing garage to residential use and the replacement of its door, and the construction of an infilling single-storey rear extension.

  22 Jul 2026 Householder
• PA26/2517 Granted

  61 Gordon Avenue Twickenham TW1 1NH

  Replacement of openings to rear elevation and modified rear elevation to side extension

  20 Jul 2026 Householder