109, Castelnau, London, SW13 9EL

This site has had 3 applications since 2026: 1 approved, 0 refused.

• PA26/2752 Awaiting decision

  109, Castelnau, London, SW13 9EL

  Replacement rear extension, addition of a side dormer, widening of the front and rear dormers, alterations to the window glazing, to increase the height of the coach house extension and internal alterations to layout and features at the lower ground, upper ground, first and second floors.

  Submitted 7 Aug 2026 Heritage and listed buildings
• PA26/2225 Granted

  109, Castelnau, London, SW13 9EL

  Tree T11 - Robinia pseudoacacia (as identified on the Topographical Survey BS5837 provided and as described in Arborist's tree schedule). It is proposed that this tree be removed and three new trees be planted as part of a new scheme. The three new trees will be appropriate in size and in keeping with the scale of the property and surrounding environment.

  Decided 20 Jul 2026 Trees

1. 7 Aug 2026

   Received by Richmond upon Thames

2. 13 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 2 October 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.

• 109, Castelnau, London, SW13 9EL

  PA26/2752 Submitted 7 Aug 2026 50 yards away

  86% historically approved · decision due ~2 Oct

  Replacement rear extension, addition of a side dormer, widening of the front and rear dormers, alterations to the window glazing, to increase the height of the coach house extension and internal alterations to layout and features at the lower ground, upper ground, first and second floors.

  Awaiting decision Heritage and listed buildings Extension Loft or dormer +1 64 docs

• 109 Castelnau Barnes Richmond Upon Thames SW13 9EL

  06/T0200/TCA Submitted 23 Mar 2006 50 yards away

  T1 - Oak (Quercus spp.) - Complete removal of lowest 3 limbs.

  Granted Trees

• 107 Castelnau Barnes London SW13 9EL

  24/2323/HOT Submitted 16 Sep 2024 50 yards away

  Partial demolition of the existing rear extension at lower ground floor, and construction of a new extension of greater depth; new metal gate to the front boundary; replacement of French doors to upper ground floor rear elevation

  Granted Householder Extension Demolition +1 44 docs
  Domestic

• 107 Castelnau Barnes London SW13 9EL

  24/2324/LBC Submitted 16 Sep 2024 50 yards away

  Partial demolition of the existing rear extension at lower ground floor, and construction of a new extension of greater depth; new metal gate to the front boundary; replacement of French doors to upper ground floor rear elevation

  Granted Heritage and listed buildings Extension Demolition +1 44 docs

• 109, Castelnau, London, SW13 9EL

  PA26/2225 Submitted 24 Jun 2026 50 yards away

  Tree T11 - Robinia pseudoacacia (as identified on the Topographical Survey BS5837 provided and as described in Arborist's tree schedule). It is proposed that this tree be removed and three new trees be planted as part of a new scheme. The three new trees will be appropriate in size and in keeping with the scale of the property and surrounding environment.

  Granted Trees 5 docs

• 107 Castelnau Barnes Richmond Upon Thames SW13 9EL

  06/T0199/TCA Submitted 23 Mar 2006 50 yards away

  T1 - Yew (Taxus baccata) - Crown reduction of up to 30%

  Granted Trees

• 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