20 Cassilis Road Twickenham TW1 1RU

1. 5 Dec 2022

   Received by Richmond upon Thames

2. 30 Jan 2023

   Validated

   Checked as complete and ready for consideration.

3. 25 Apr 2023

   Decision issued: Withdrawn by the Applicant

4. 12 Sep 2026

   Added to PlanIndex

The applicant withdrew this application before Richmond upon Thames decided it, and is free to submit a revised scheme at any time. 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.

• 22 Cassilis Road Twickenham Richmond Upon Thames TW1 1RU

  PA25/4391 Submitted 9 Dec 2025 50 yards away

  T2 Plum (x1) Fell to ground level. Reason: Dead T3 Silver Birch (x1) Prune lateral branches by 1m to give 1.5m. Final height 9m and width 4m. Reason: Clearance from the property. T4 Plum (x1) Reduce height by and width by 1.5m. Final height 6m and width 5m. Reason: To maintain the tree at a smaller size in context to the garden.Clearance over shed.

  Granted Trees 3 docs
  Small domestic

• 10 Cassilis Road Twickenham Richmond Upon Thames TW1 1RU

  05/0381/HOT Submitted 7 Feb 2005 50 yards away

  Proposed Loft Conversion To Form Habitable Room.

  Granted Householder Loft or dormer 7 docs
  Domestic

• 8 Cassilis Road Twickenham Richmond Upon Thames TW1 1RU

  05/1028/HOT Submitted 7 Apr 2005 50 yards away

  Proposed loft conversion with two rear dormers

  Granted Householder Loft or dormer 5 docs
  Domestic

• No. 20 The Avenue Twickenham

  PA26/0997 Submitted 20 Mar 2026 50 yards away

  Front Garden T1 - Ash Remove limb overshadowing dual carriageway and reduce remainder of tree by up to 2 metres to form prunative shape. T1 is an ash tree located on the front boundary of 20 the avenue, please see attached map. The tree is overhanging the dual carriageway and TFL have instructed that the tree is dealt with as it is a major health and safety risk for the buses which are starting to touch the tree as they pass it. Recommended works will abate the problem.

  Granted Trees 3 docs

• 6 CASSILIS ROAD TWICKENHAM TW1 1RU

  PA26/0532 Submitted 17 Feb 2026 50 yards away

  Details pursuant to condition C3 Sustainable Drainage Strategy of planning reference PA25/0146

  Refused Conditions 4 docs

• 1 Heathcote Road Twickenham Richmond Upon Thames TW1 1RX

  04/3875/HOT Submitted 7 Dec 2004 100 yards away

  Enlarge Existing Dormers To Front Of Property; Conversion Of Garage To Playroom With New Window To Match Existing On Ground Floor Front Elevation.

  Granted Householder Loft or dormer Windows or glazing 12 docs
  Domestic

• PA26/3174 Awaiting decision

  6 Fielding Mews Barnes London SW13 9EY

  Existing roof lantern to be replaced with flat skylight with the same dimensions and installation of skylight

  Received 14 Sep, published by the council 17 Sep 2026 Householder
• PA26/2509 Refused

  76, Milner Drive, Twickenham, TW2 7PJ

  New front porch to give access to the house from the front elevation. Brick up side door. New bi-fold doors to the rear and internal modifications to improve general access and circulation on the ground floor

  Received 20 Jul, published by the council 26 Jul 2026 Householder
• PA26/2531 Granted

  15 Wick Road Teddington TW11 9DN

  Proposed single storey rear infill extension.

  Received 21 Jul, published by the council 16 Aug 2026 Householder
• PA26/2549 Granted

  54A, Somerset Road, Teddington, TW11 8RY

  External alterations including the application of render, the installation of new first-floor rear windows and replacement of existing windows, replacement of the front door, the conversion and extension of the existing garage to residential use and the replacement of its door, and the construction of an infilling single-storey rear extension.

  Received 22 Jul, published by the council 26 Jul 2026 Householder
• PA26/2517 Granted

  61 Gordon Avenue Twickenham TW1 1NH

  Replacement of openings to rear elevation and modified rear elevation to side extension

  Received 20 Jul, published by the council 26 Jul 2026 Householder