31, South Western Road, Twickenham, TW1 1LG

1. 13 Feb 2026

   Received by Richmond upon Thames

2. 13 Apr 2026

   Decision issued: Granted Permission

3. 13 Aug 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 13 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.

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.

• 33 South Western Road Twickenham Richmond Upon Thames TW1 1LG

  06/1258/HOT Submitted 20 Apr 2006 50 yards away

  Proposed Single Storey Rear Extension.

  Withdrawn Householder Extension 10 docs
  Small domestic

• 27 South Western Road Twickenham TW1 1LG

  21/1546/HOT Submitted 30 Apr 2021 50 yards away

  Proposed ground floor rear wraparound, rear dormer roof extension above outrigger to form an additional bedroom, floor plan redesign and all associated works.

  Granted Householder Extension Loft or dormer 19 docs
  Domestic

• 25 South Western Road Twickenham TW1 1LG

  PA25/3596 Submitted 10 Oct 2025 50 yards away

  L-shaped rear dormer

  Refused Householder Loft or dormer 10 docs
  Domestic

• 37 South Western Road Twickenham TW1 1LG

  PA25/4183 Submitted 20 Nov 2025 50 yards away

  Hip to gable loft conversion, involving rear dormer and rear outrigger extension. The proposal includes the addition of two rooflights to the front elevation, a rooflight to the outrigger, three new windows and the removal of the chimney stacks to the main roof

  Granted Prior approval Extension Loft or dormer +1 21 docs

• 37 South Western Road Twickenham TW1 1LG

  PA25/4056 Submitted 10 Nov 2025 50 yards away

  Ground floor side and rear extension, including a pitched slate roof with 5 x rooflights and metal glazed doors to the rear elevation. Adding pitched roof over the approved first floor rear extension to match the roof design of the adjoining property. Replacement/ Enlargement of existing UPVC/ timber fenestration to front, side and rear elevation with timber sash windows.

  Granted Householder Extension Loft or dormer +2 24 docs
  Domestic

• 25 South Western Road Twickenham TW1 1LG

  PA26/0335 Submitted 2 Feb 2026 50 yards away

  Rear dormer roof extension above rear roof slope and outrigger (Retrospective)

  Granted Householder Extension Loft or dormer 13 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