10, Cross Deep Gardens, Twickenham, TW1 4QU

This site has had 2 applications since 2026: 1 approved, 0 refused.

• PA26/0001 Granted

  10 Cross Deep Gardens Twickenham TW1 4QU

  Single storey ground floor rear extension (5.03m depth, 3m eave height, 3.9m overall height)

  Decided 27 Jan 2026 Prior approval

1. 29 Sep 2026

   Received by Richmond upon Thames

2. 2 Oct 2026

   Validated

   Checked as complete and ready for consideration.

3. 6 Oct 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 27 November 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.

• 10 Cross Deep Gardens Twickenham TW1 4QU

  PA26/0001 Submitted 1 Jan 2026 50 yards away

  Single storey ground floor rear extension (5.03m depth, 3m eave height, 3.9m overall height)

  Granted Prior approval Extension 17 docs
  Small domestic

• Valley Mews Cross Deep Twickenham TW1 4QT

  21/T0497/TPO Submitted 10 Jun 2021 50 yards away

  TVH001782- Sycamore- rear of 39 Tennyson Avenue Tree has a large cavity in the main stem at 2.2m. Tree has lost branches in the past. This tree overhangs the garden of 39 Tennyson Avenue. Pollard tree at final height of 2m and retain for habitat due to cavity.

  Granted Trees 6 docs

• 5 Cross Deep Gardens Twickenham Richmond Upon Thames TW1 4QZ

  04/3701/HOT Submitted 23 Nov 2004 50 yards away

  Proposed Side And Rear Roof Extension.

  Granted Householder Extension 5 docs
  Domestic

• 3 Cross Deep Gardens Twickenham TW1 4QZ

  PA25/4446 Submitted 15 Dec 2025 50 yards away

  Single storey rear extension

  Granted Householder Extension 13 docs
  Small domestic

• 3, Cross Deep Gardens, Twickenham, TW1 4QZ

  PA26/0072 Submitted 8 Jan 2026 50 yards away

  Replacement of existing rear dormer, replacement of side bay window with casement window, removal of upper floor side window and insertion of new window on the ground floor with-in existing chimney breast, removal of the single window from front elevation, replacement of all existing windows with new double-glazed white timber windows to match the originals, replacement of garage with new garage, addition of storage and workshop and installation of air heath source pump close to proposed storage room.

  Granted Prior approval Loft or dormer Windows or glazing 11 docs

• 1 Cross Deep Gardens Twickenham TW1 4QZ

  PA26/2049 Submitted 11 Jun 2026 50 yards away

  Installation of 7 rooflights.

  Granted Prior approval Loft or dormer 13 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