21 Winchester Road Twickenham TW1 1LE

This site has had 2 applications since 2022: 2 approved, 0 refused.

• PA25/3313 Granted

  21 Winchester Road Twickenham TW1 1LE

  L-shape rear dormer roof extensions. Rooflights to front elevation.

  Decided 17 Nov 2025 Prior approval

1. 30 Nov 2022

   Received by Richmond upon Thames

2. 14 Dec 2022

   Validated

   Checked as complete and ready for consideration.

3. 13 Feb 2023

   Decision issued: Granted Permission

4. 12 Sep 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 13 February 2023, 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.

• 21 Winchester Road Twickenham TW1 1LE

  PA25/3313 Submitted 24 Sep 2025 50 yards away

  L-shape rear dormer roof extensions. Rooflights to front elevation.

  Granted Prior approval Extension Loft or dormer 8 docs

• 21 and 23 Winchester Road, Twickenham

  PA26/3051 Submitted 2 Sep 2026 50 yards away

  77% historically approved · decision due ~30 Oct

  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, and rooflights to the front roof slopes.

  Awaiting decision Full applications Extension Loft or dormer 9 docs

• 23, Winchester Road, Twickenham, TW1 1LE

  PA26/0266 Submitted 28 Jan 2026 50 yards away

  Two rear dormer roof extensions and rooflights to the front elevation.

  Granted Prior approval Extension Loft or dormer 8 docs

• 23, Winchester Road, Twickenham, TW1 1LE

  PA25/4319 Submitted 2 Dec 2025 50 yards away

  Existing use of the property as a single dwellinghouse.

  Granted Lawful development 9 docs
  Domestic

• 31 - 33 Winchester Road Twickenham Richmond Upon Thames TW1 1LE

  06/0968/FUL Submitted 30 Mar 2006 50 yards away

  Proposal involving: 1. Change of use from business (B1) to residential (C3) at ground floor of 33. 2. Loft conversion and rear extension to 33. 3. Demolition of garage and MOT facility at 31 - to be replaced by a 2-storey building incorporating offices (B1) at ground, 1st floor and roof level.

  Withdrawn Full applications Extension Loft or dormer +1 12 docs

• 33 Winchester Road Twickenham Richmond Upon Thames TW1 1LE

  05/1472/FUL Submitted 10 May 2005 50 yards away

  Proposal involving 1. Demolition of garage and MOT facility, retention of existing `house. 2. Conversion of house and associated land from busines to residential. 3. Loft conversion, rear extension and new bay to existing house and 4. construct new house on land adjacent t No.33.

  Withdrawn Full applications Extension Loft or dormer +1 11 docs

• 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