15 Cornwall Road Twickenham TW1 3LS

1. 6 Nov 2025

   Received by Richmond upon Thames

2. 19 Dec 2025

   Decision issued: Granted Permission

3. 13 Aug 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 19 December 2025, 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.

• 18 Cornwall Road Twickenham Richmond Upon Thames TW1 3LS

  04/1991/PS192 Submitted 16 Jun 2004 50 yards away

  Erection of rear dormer roof extension including new sash window to rear and 3 new rooflights in front roof.

  Granted Prior approval Extension Loft or dormer +1 13 docs

• 16, Cornwall Road, Twickenham, TW1 3LS

  PA26/0650 Submitted 25 Feb 2026 50 yards away

  Install EV Chargepoint

  Granted Householder 10 docs
  Domestic

• 3 Cornwall Road Twickenham TW1 3LS

  PA26/1501 Submitted 30 Apr 2026 50 yards away

  Rear dormer loft conversion and installation of 4 roof lights.

  Granted Prior approval Loft or dormer 12 docs

• 13 Oak Lane Twickenham Richmond Upon Thames TW1 3PA

  06/0980/HOT Submitted 3 Apr 2006 50 yards away

  Single storey rear extension and roof extension with rear dormer and front rooflight.

  Withdrawn Householder Extension Loft or dormer 7 docs
  Small domestic

• 55, York Street, Twickenham, TW1 3LP

  PA26/1311 Submitted 14 Apr 2026 50 yards away

  83% historically approved · decision due ~9 Jun

  THREE EXTERNALLY ILLUMINATED FASCIA SIGNS; EXTERNALLY ILLUMINATED PERPENDICULAR SIGN TO RESTAURANT PREMISES

  Awaiting decision Advertising 10 docs

• Oak Lane Service Station 5 - 11 Richmond Road Twickenham TW1 3AB

  21/2752/FUL Submitted 4 Aug 2021 50 yards away

  Demolition of existing sales building and car wash, erection of a new sales building, modifications to the existing forecourt canopy, addition of customer parking bays and associated works.

  Granted Full applications Demolition 24 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