46 St Margarets Grove Twickenham TW1 1JG

1. 9 Sep 2024

   Received by Richmond upon Thames

2. 4 Nov 2024

   Decision issued: Granted Permission

3. 30 Jul 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 4 November 2024, 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.

• 48 St Margarets Grove Twickenham TW1 1JG

  24/2573/PS192 Submitted 14 Oct 2024 3m away

  Replacement of main dormer and outrigger dormer extension

  Granted Prior approval Extension Loft or dormer 13 docs

• 36 St Margarets Grove Twickenham TW1 1JG

  23/0479/HOT Submitted 23 Feb 2023 26m away

  Single storey rear and side infill extension.

  Refused Householder Extension 11 docs
  Small domestic

• 37 St Margarets Grove Twickenham TW1 1JF

  24/1388/FUL Submitted 30 May 2024 30m away

  Construction of single storey rear extension at ground floor level including removal of existing two-storey rear addition to facilitate works. Associated works including creation of new window opening to the rear outrigger at first floor level (amended plans received).

  Granted Full applications Extension Windows or glazing 37 docs
  Small domestic

• 37 South Western Road Twickenham TW1 1LG

  PA25/4183 Submitted 20 Nov 2025 32m 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 32m 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

• 51 St Margarets Grove Twickenham Richmond Upon Thames TW1 1JF

  05/1106/ES191 Submitted 14 Apr 2005 33m away

  Retention of rear dormer

  Granted Lawful development Loft or dormer 4 docs

• PA26/2560 Granted

  32 Fortescue Avenue Twickenham TW2 5LS

  Construction of a hip to gable and rear dormer roof extension, rooflights to front elevation and single storey rear extension

  Received 23 Jul, published by the council 26 Jul 2026 Prior approval
• PA26/3175 Awaiting decision

  146, Waldegrave Road, Teddington, TW11 8NA

  CONSTRUCTION OF HIP TO GABLE AND REAR DORMER EXTENSIONS,INSERTION OF ROOFLIGHTS,ONE OBSCURE GLAZED SIDE WINDOW AND ALTERATIONS TO THE SOIL VENT PIPE. RESUBMISSION OF PREVIOUS REFUSED APPLICATION REF. PA26/2122.

  Received 14 Sep, published by the council 17 Sep 2026 Prior approval
• PA26/2193 Refused

  5, The Hermitage, Richmond, TW10 6SH

  ASHP unit to rear flat roof, AOV (automatic opening vent) - flue to rear flat roof

  Received 23 Jun, published by the council 26 Jul 2026 Prior approval
• PA26/2454 Granted

  11 Collingwood Close Twickenham TW2 7AE

  Hip to gable and rear dormer roof extensions and insertion of 2x rooflights to the front roof slope.

  Received 13 Jul, published by the council 26 Jul 2026 Prior approval
• PA26/0893 Granted

  21, Gloucester Road, Twickenham, TW2 6NF

  PROPOSED OUT BUILDING TO BE USED FOR STORAGE, SUMMER HOUSE AND GYMNASIUM

  Received 13 Mar, published by the council 26 Jul 2026 Prior approval