22, Powder Mill Lane, Twickenham, TW2 6ED

1. 18 May 2026

   Received by Richmond upon Thames

2. 20 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

4. 30 Jul 2026

   Status changed to Recommendation under review

   Previously Registered.

5. 5 Aug 2026

   Decision issued: Granted Permission

Richmond upon Thames granted permission on 5 August 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.

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.

• 30 Powder Mill Lane Twickenham TW2 6ED

  19/3179/PDE Submitted 21 Oct 2019 28m away

  Single-storey rear extension (3m depth, 3m eaves height, 3.166m maximum height), where the enlarged part will be joined to an existing enlargement (6m depth, 3m eaves height, 3.166m maximum height).

  Decided Prior approval Extension 10 docs
  Small domestic

• 30 Powder Mill Lane Twickenham TW2 6ED

  19/3412/HOT Submitted 8 Nov 2019 28m away

  Demolition part of the existing rear ground floor extension. Construction of a new full width rear extension, with folding/sliding doors and part flat/part sloping roof with rooflights. First floor rear extension set back 2m from the boundary line. Opening of 1 No. new window on front wall and alterations to internal layout at ground floor and first floor level, including re-building of staircase.

  Withdrawn Householder Extension Loft or dormer +2 10 docs
  Domestic

• 4 Powder Mill Lane Twickenham Richmond Upon Thames TW2 6ED

  05/3137/PS192 Submitted 19 Oct 2005 54m away

  The Complete Removal Of An Existing Glass House Followed By The Construction Of The Proposed Loft Conversion With Rear Dormer.

  Granted Prior approval Loft or dormer 9 docs

• 111 Hospital Bridge Road Twickenham TW2 6LD

  23/0650/PS192 Submitted 13 Mar 2023 65m away

  PROPOSED LOFT CONVERSION WITH GABLE END, REAR DORMER AND FRONT VELUX WINDOWS

  Granted Prior approval Loft or dormer Windows or glazing 9 docs

• 33 Powder Mill Lane Twickenham Richmond Upon Thames TW2 6EF

  05/2964/HOT Submitted 5 Oct 2005 67m away

  Demolition Of Existing Garage And Storage Area; Erection Of New Garage Extension And Internal Alterations.

  Granted Householder Extension Demolition 9 docs
  Domestic

• 103 Hospital Bridge Road Twickenham Richmond Upon Thames TW2 6LD

  04/4015/HOT Submitted 17 Dec 2004 69m away

  Proposed Conservatory To Rear.

  Granted Householder Extension 6 docs
  Small domestic

• 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

  23 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.

  14 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

  23 Jun 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.

  13 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

  13 Mar 2026 Prior approval