First Floor Flat 13 Second Avenue Mortlake London SW14 8QF

1. 26 Feb 2026

   Received by Richmond upon Thames

2. 9 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 1 Apr 2026

   Decision issued: Granted Permission

4. 13 Aug 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 1 April 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 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.

• 3, Second Avenue, London, SW14 8QF

  PA26/2579 Submitted 24 Jul 2026 25m away

  85% historically approved · decision due ~18 Sep

  Side infill and rear extension at ground floor level, demolition of defective boundary wall at rear and replacement with fence, addition of bike store at the front of the property, railings installed on front boundary wall.

  Awaiting decision Householder Extension Demolition 26 docs
  Small domestic

• 14 Second Avenue Mortlake London SW14 8QE

  PA26/2480 Submitted 15 Jul 2026 35m 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 35m 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

• 27 Second Avenue Mortlake Richmond Upon Thames SW14 8QF

  06/1095/PS192 Submitted 4 Apr 2006 41m away

  Single storey rear extension.

  Granted Prior approval Extension 10 docs
  Small domestic

• 9 First Avenue Barnes Richmond Upon Thames SW14 8SP

  06/0062/HOT Submitted 5 Jan 2006 55m away

  Rear dormer for loft conversion.

  Granted Householder Loft or dormer 6 docs
  Domestic

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

  05/T0399/TCA Submitted 24 Jun 2005 63m away

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

  Granted Trees

• PA26/1532 Granted

  65A, Hounslow Road, Twickenham, TW2 7HA

  Rear Dormer Roof Extension. Rooflight to front elevation

  5 May 2026 Full applications
• PA26/2323 Granted

  112, Teddington Park Road, Teddington, TW11 8NE

  Single storey rear extension to existing ground floor flat.

  26 Jun 2026 Full applications
• PA26/3069 Awaiting decision

  21, Flat 1b, Cardigan Road, Richmond, TW10 6BJ

  Ground floor flat rear extension including the demolition of existing extension/s and erection of new single storey rear extension and associated internal remodelling.

  3 Sep 2026 Full applications
• PA26/3051 Awaiting decision

  21 and 23 Winchester Road, Twickenham

  Raising of the ridge and eaves, replacement of front and rear roof slopes and the erection of rear dormer extensions to the rear roof slope and outrigger to each property.

  2 Sep 2026 Full applications
• PA26/2350 Refused

  Garden Flat 39 Onslow Road Richmond TW10 6QH

  Formation of new garden outbuilding.

  6 Jul 2026 Full applications