169 Powder Mill Lane Twickenham TW2 6EQ

This site has had 3 applications since 2025: 2 approved, 0 refused.

• PA25/4383 Granted

  169 Powder Mill Lane Twickenham TW2 6EQ

  Garage conversion to habitable room and addition of a single storey rear extension

  Decided 30 Mar 2026 Householder
• PA25/4384 Granted

  169 Powder Mill Lane Twickenham TW2 6EQ

  Loft extension includes hipped to gable plus window dormer and an outbuilding in rear garden

  Decided 3 Mar 2026 Prior approval

1. 12 May 2026

   Received by Richmond upon Thames

2. 19 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 14 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Richmond upon Thames took a median of 46 days over the applications it decided in the last year.

This application is with Richmond upon Thames for determination, against a statutory target of eight weeks. Over the last year Richmond upon Thames decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

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.

• 169 Powder Mill Lane Twickenham TW2 6EQ

  PA25/4383 Submitted 9 Dec 2025 50 yards away

  Garage conversion to habitable room and addition of a single storey rear extension

  Granted Householder Extension 26 docs
  Small domestic

• 169 Powder Mill Lane Twickenham TW2 6EQ

  PA25/4384 Submitted 9 Dec 2025 50 yards away

  Loft extension includes hipped to gable plus window dormer and an outbuilding in rear garden

  Granted Prior approval Extension Loft or dormer +1 14 docs

• 171 Powder Mill Lane Twickenham Richmond Upon Thames TW2 6EQ

  04/2021/HOT Submitted 28 Jun 2004 50 yards away

  Proposed conversion of house into 2No. self-contained 2-bed flats; single storey rear extension and two storey side and roof extension.

  Granted Householder New dwelling Extension 11 docs
  Small domestic

• 132, WAVERLEY AVENUE, TWICKENHAM, RICHMOND UPON THAMES, TW2 6DL

  PA26/1378 Submitted 20 Apr 2026 50 yards away

  Construction of Single storey rear extension and Part first floor rear extension

  Granted Householder Extension 18 docs
  Small domestic

• 132, Waverley Avenue, Twickenham, TW2 6DL

  PA25/2855 Submitted 18 Aug 2025 50 yards away

  Front extension to existing garage at rear of site and change of use of garage from Class C3 (Dwellinghouse) to Class E (Retail Shop), along with new sign board to front elevation and associated cycle and bin stores.

  Refused Full applications Extension 11 docs
  Domestic

• 132, Waverley Avenue, Twickenham, TW2 6DL

  PA25/3213 Submitted 16 Sep 2025 50 yards away

  Construction of Side and rear dormer along with installation of 2 Skylights on front roof slope

  Granted Prior approval Loft or dormer 14 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