21 Winchester Road Twickenham TW1 1LE

1. 24 Sep 2025

   Received by Richmond upon Thames

2. 30 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 17 Nov 2025

   Decision issued: Granted Permission

4. 13 Aug 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 17 November 2025, 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 21 and 23 Winchester Road, Twickenham

  PA26/3051 Submitted 2 Sep 2026 4m away

  79% 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.

  Awaiting decision Full applications Extension Loft or dormer 8 docs

• 23, Winchester Road, Twickenham, TW1 1LE

  PA26/0266 Submitted 28 Jan 2026 9m 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 9m 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 18m 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  Withdrawn Full applications Extension Loft or dormer +1 12 docs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 29m 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  Withdrawn Full applications Extension Loft or dormer +1 11 docs

• 1 The Grove St Margarets Road Twickenham TW1 1RB

  PA26/0431 Submitted 9 Feb 2026 32m away

  1) Black Poplar. Reduce all new growth back to previous reduction points. We will remove approx 5 metres of new growth and crown clean, removing all broken branches and deadwood

  Granted Trees 3 docs

• PA26/2437 Granted

  119 Hampton Road Twickenham TW2 5QN

  Erection of a single-storey rear extension and associated internal alterations.

  13 Jul 2026 Prior approval
• PA26/2424 Granted

  45 Selkirk Road Twickenham

  Flat roof rear box dormer extension with wall tiles to match existing roof.

  10 Jul 2026 Prior approval
• PA26/2409 Granted

  15 Tudor Road Hampton TW12 2NH

  Proposed single storey rear extension and rear ground floor opening alterations.

  9 Jul 2026 Prior approval
• PA26/2615 Granted

  30, Jubilee Avenue, Twickenham, TW2 6JB

  Loft conversion with roof extension and proposed out building in the rear garden.

  27 Jul 2026 Prior approval
• PA26/3058 Awaiting decision

  253, Staines Road, Twickenham, TW2 5AY

  Prior approval for larger household extension (6m depth, 2.3m eaves height, 4m overall height)

  2 Sep 2026 Prior approval