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 9m 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  Withdrawn Householder Extension 10 docs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 11m 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 15m 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 16m 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 16m 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 16m away

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

  Granted Householder Extension Loft or dormer 13 docs
  Domestic

• PA26/2452 Refused

  50 Fairfax Road Teddington TW11 9BZ

  Roof extension to create additional loft storey. Increase in height to eaves and ridge to part of existing roof.

  13 Jul 2026 Householder
• PA26/3078 Awaiting decision

  64 FIRST AVENUE MORTLAKE LONDON SW14 8SR

  The demolition of the existing ground floor rear extension, construction of replacement ground floor rear extension and replacement windows to the rear of the property.

  4 Sep 2026 Householder
• PA26/3057 Awaiting decision

  23, Manderlea, The Avenue, Hampton, TW12 3RN

  Single storey rear extension, single storey side extension, and the installation of an air conditioning unit

  3 Sep 2026 Householder
• PA26/3068 Awaiting decision

  27 Ranelagh Avenue Barnes London SW13 0BL

  Single storey side return with a sloping rooflight. Incl replacement windows throughout.

  3 Sep 2026 Householder
• PA26/3067 Awaiting decision

  27 Ranelagh Avenue Barnes London SW13 0BL

  Rear mansard roof extension.

  3 Sep 2026 Householder