14, Ailsa Road, Twickenham, TW1 1QW

1. 22 Jun 2026

   Received by Richmond upon Thames

2. 1 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 26 August 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.

• 18 Ailsa Road Twickenham Richmond Upon Thames TW1 1QW

  05/1929/HOT Submitted 27 Jun 2005 50 yards away

  Proposal for three rear dormers in roof slope.

  Granted Householder Loft or dormer 6 docs
  Domestic

• 18 Ailsa Road Twickenham Richmond Upon Thames TW1 1QW

  04/3315/HOT Submitted 15 Oct 2004 50 yards away

  Proposed Alterations And Rear Dormer Extension.

  Withdrawn Householder Extension Loft or dormer 12 docs
  Domestic

• 18 Ailsa Road Twickenham TW1 1QW

  24/T0677/TCA Submitted 21 Aug 2024 50 yards away

  REAR GARDEN T1 Magnolia x soulangeana 30% Crown Reduction - Reducing the height and spread of the tree by approximately 1m below previous reduction points, removing up to 2m of growth in total to contain and reshape. Crown lift to allow more light into flowerbeds. Final height = 4m and final spread = 2-3m. T2 Magnolia x soulangeana 20% Crown Reduction - Reducing the height and spread of the tree by approximately 1-2m to tidy and contain. Crown lift to allow more light into flowerbeds. Final height = 4m and final spread = 2-3m. FRONT GARDEN T4 Magnolia grandiflora 20% Crown Reduction - Reducing the height and spread of the tree by approximately 1-2m to tidy and reshape as it is becoming unbalanced. Final height = 4m and final spread = 2-3m.

  Granted Trees 3 docs

• 9A Ailsa Road Twickenham TW1 1QJ

  24/T1032/TCA Submitted 27 Nov 2024 50 yards away

  T1. Olive Tree Rear Garden: Reduce height to 2.5m and lateral spread by 1m to a natural rounded form. The tree's current height is 8m and crown spread is 4m - After the proposed works, the tree's height is 5.5m and the crown spread is 3m T2. Holly Tree Rear Garden: Reduce height by 3m and trim hard to conical form. The tree's current height is 11m and crown spread is 5m - After the proposed works, the tree's height is 8m and the crown spread is 4m T3. Yew Tree Rear Garden: Trim height by 1m only to round off and match remainder of tree. The tree's current height is 12m and crown spread is 10m - After the proposed works, the tree's height is 11m and the crown spread is 10m T4. Magnolia grandiflora Rear Garden: Reduce height and spread by 1.5m - 2m to a rounded natural form. The tree's current height is 9m and crown spread is 7m - After the proposed works, the tree's height is 7m and the crown spread is 5.5m. T5. Apple Tree Rear Garden: Reduce new growth back to previous form. (2m height and 2m lateral spread) The tree's current height is 8m and crown spread is 8m - After the proposed works, the tree's height is 6m and the crown spread is 6m T6. Hazel Tree Rear Garden: Reduce height and spread by 1.5m to a rounded natural form. The tree's current height is 6m and crown spread is 6m - After the proposed works, the tree's height is 4.5m and the crown spread is 5m

  Granted Trees 2 docs

• 9 Ailsa Road Twickenham Richmond Upon Thames TW1 1QJ

  04/0780/DD04 Submitted 27 Sep 2004 50 yards away

  Details pursuant to condition RD09 (Levels of threshold) of planning permission 04/0780/FUL dated 05/08/2004.

  Withdrawn Reserved matters 3 docs

• 9 Ailsa Road Twickenham Richmond Upon Thames TW1 1QJ

  04/0780/DD08 Submitted 23 Mar 2005 50 yards away

  Details pursuant to condition U01070 (boundary fencing) of planning permission 04/0780/FUL dated 05/08/2004.

  Granted Reserved matters 4 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