49 Second Avenue Mortlake London SW14 8QF

1. 20 Apr 2026

   Received by Richmond upon Thames

2. 18 May 2026

   Decision issued: Granted Permission

3. 13 Aug 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 18 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.

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.

• 43 Second Avenue Mortlake Richmond Upon Thames SW14 8QF

  05/3713/HOT Submitted 12 Dec 2005 50 yards away

  Loft Conversion.

  Granted Householder Loft or dormer
  Domestic

• 43 Second Avenue Mortlake Richmond Upon Thames SW14 8QF

  05/3923/HOT Submitted 16 Dec 2005 50 yards away

  Loft extension with rear mansard, sky lights to front roof slope and ridge to be raised to match neighbouring properties.

  Granted Householder Extension Loft or dormer 19 docs
  Domestic

• 57 Second Avenue Mortlake Richmond Upon Thames SW14 8QF

  04/2428/PS192 Submitted 21 Jul 2004 50 yards away

  Loft extension with dormers.

  Granted Prior approval Extension Loft or dormer 6 docs

• 30 First Avenue Mortlake London SW14 8SR

  PA26/3061 Submitted 2 Sep 2026 50 yards away

  86% historically approved · decision due ~30 Oct

  Removal of SVP at L2 to the rear (Class G) - Removal of partial chimney capping on L2 roof to rear (Class G) - Addition of flat roof parapet to existing single storey extension flat roof to the rear (Class A) - Adjustment of roof light position on the street elevation (Class C) - New second-floor rear outrigger dormer (Class B) - Installation of a new ‘air to air’ Air Source Heat Pump for both heating and cooling (Part 14, Class G) - Internal changes that require no Consent

  Awaiting decision Prior approval Extension Loft or dormer 18 docs
  Small domestic

• 26 First Avenue Mortlake London SW14 8SR

  23/0613/HOT Submitted 7 Mar 2023 50 yards away

  Retention of AC unit within acoustic enclosure

  Withdrawn Householder 12 docs
  Domestic

• 36 First Avenue Barnes Richmond Upon Thames SW14 8SR

  04/3820/HOT Submitted 30 Nov 2004 50 yards away

  Ground floor rear extension

  Granted Householder Extension 11 docs
  Domestic

• PA26/2361 Refused

  11, Waterloo Place, Richmond, TW9 1EB

  Single storey rear extension to replace existing rear extension.

  Received 6 Jul, published by the council 26 Jul 2026 Householder
• PA26/2869 Refused

  60, Castelnau, London, SW13 9EX

  Improvements to the front elevation, replacement of the coach house, replacement of the rear extensions, first and second floor rear extension and new basement excavation.

  Received 18 Aug, published by the council 23 Aug 2026 Householder
• PA26/2821 Granted

  192A, Sheen Lane, London, SW14 8LF

  Alterations to the existing dwelling, including enlarging existing window and door openings, replacement windows and doors, new rooflight openings, replacement rooflights in existing openings, rendering the external brickwork, installation of an air source heat pump, air conditioning unit and photovoltaic panels, installation of woodburner flue, removal of the brick chimney stack at roof level and replacement of a brick garden wall with a timber screen.

  Received 13 Aug, published by the council 23 Aug 2026 Householder
• PA26/2256 Refused

  36A Cambridge Park Twickenham TW1 2JU

  Erection of a detached domestic garage to serve the existing dwelling, positioned toward the front/side of the plot and associated frontage boundary alterations including replacement wall/fence/hedging treatment.

  Received 29 Jun, published by the council 23 Aug 2026 Householder
• PA26/2671 Granted

  30, The Avenue, Twickenham, TW1 1RY

  Demolition of garage, ground floor rear extension, ground floor side extension, new conservation rooflights to main roof and removal of one window.

  Received 31 Jul, published by the council 6 Aug 2026 Householder