11 Treen Avenue Barnes London SW13 0JR

1. 20 Feb 2023

   Received by Richmond upon Thames

2. 27 Feb 2023

   Validated

   Checked as complete and ready for consideration.

3. 21 Mar 2023

   Decision issued: Granted Permission

4. 16 Aug 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 21 March 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.

• 42 Treen Avenue Barnes London SW13 0JT

  PA26/1267 Submitted 10 Apr 2026 50 yards away

  Proposed ground floor rear extension (3.8m depth, 2.8m eaves height, 3m overall height)

  Granted Prior approval Extension 9 docs

• 5 Priory Gardens Barnes London SW13 0JU

  PA25/4194 Submitted 21 Nov 2025 50 yards away

  Rear dormer roof extension.

  Granted Prior approval Extension Loft or dormer 31 docs

• 5 Priory Gardens Barnes London SW13 0JU

  PA25/4195 Submitted 21 Nov 2025 50 yards away

  Single storey rear extension.

  Granted Householder Extension 18 docs
  Small domestic

• 2 Priory Gardens Barnes Richmond Upon Thames SW13 0JU

  04/3175/PS192 Submitted 5 Oct 2004 50 yards away

  Loft extension.

  Granted Prior approval Extension Loft or dormer 6 docs

• 27 Treen Avenue Barnes Richmond Upon Thames SW13 0JR

  04/4115/HOT Submitted 30 Dec 2004 50 yards away

  Loft extension with rear dormer

  Granted Householder Extension Loft or dormer 5 docs
  Domestic

• 1 Priory Gardens Barnes London SW13 0JU

  21/2062/HOT Submitted 8 Jun 2021 50 yards away

  Demolition of the existing rear conservatory and erection of a new flat roof single-storey rear extension.

  Granted Householder Extension Demolition 13 docs
  Small domestic

• 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