28, Upper Grotto Road, Twickenham, TW1 4NF

1. 5 May 2026

   Received by Richmond upon Thames

2. 26 May 2026

   Validated

   Checked as complete and ready for consideration.

3. 26 Jul 2026

   Added to PlanIndex

4. 28 Jul 2026

   Decision issued: Granted Permission

Richmond upon Thames granted permission on 28 July 2026, 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.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 24 Upper Grotto Road Twickenham TW1 4NF

  19/3113/VRC Submitted 15 Oct 2019 50 yards away

  Variation of condition U66223 (Approved Drawings) of planning permission 19/1735/HOT to allow for amendments to roof of approved side/rear extension and increase height of boundary wall with no. 26

  Granted Amendments Extension 7 docs
  Small domestic

• 34 Upper Grotto Road Twickenham TW1 4NF

  PA25/4267 Submitted 27 Nov 2025 50 yards away

  Proposed single storey rear / side extension.

  Granted Householder Extension 17 docs
  Small domestic

• 23 Upper Grotto Road Twickenham Richmond Upon Thames TW1 4NG

  04/3560/PS192 Submitted 2 Nov 2004 50 yards away

  Proposed Loft Conversion With Rear Dormer And Extension Over Rear Section.

  Granted Prior approval Extension Loft or dormer 8 docs

• 27 Upper Grotto Road Twickenham TW1 4NG

  23/0269/HOT Submitted 30 Jan 2023 50 yards away

  Demolition of conservatory and single-storey WC to rear. Construction of new single-storey rear extension.

  Granted Householder Extension Demolition 15 docs
  Small domestic

• 23 Upper Grotto Road Twickenham TW1 4NG

  PA26/2971 Submitted 26 Aug 2026 50 yards away

  85% historically approved · decision due ~23 Oct

  Ground floor rear and side extension, internal alterations and minor alterations to fenestration

  Awaiting decision Householder Extension Windows or glazing 12 docs
  Domestic

• 19 Upper Grotto Road Twickenham Richmond Upon Thames TW1 4NG

  05/2495/HOT Submitted 16 Aug 2005 50 yards away

  Proposed restructuring and extension to roof to provide a third floor to house.

  Refused Householder Extension 6 docs
  Domestic

• PA26/2560 Granted

  32 Fortescue Avenue Twickenham TW2 5LS

  Construction of a hip to gable and rear dormer roof extension, rooflights to front elevation and single storey rear extension

  Received 23 Jul, published by the council 26 Jul 2026 Prior approval
• PA26/3175 Awaiting decision

  146, Waldegrave Road, Teddington, TW11 8NA

  CONSTRUCTION OF HIP TO GABLE AND REAR DORMER EXTENSIONS,INSERTION OF ROOFLIGHTS,ONE OBSCURE GLAZED SIDE WINDOW AND ALTERATIONS TO THE SOIL VENT PIPE. RESUBMISSION OF PREVIOUS REFUSED APPLICATION REF. PA26/2122.

  Received 14 Sep, published by the council 17 Sep 2026 Prior approval
• PA26/2193 Refused

  5, The Hermitage, Richmond, TW10 6SH

  ASHP unit to rear flat roof, AOV (automatic opening vent) - flue to rear flat roof

  Received 23 Jun, published by the council 26 Jul 2026 Prior approval
• PA26/2454 Granted

  11 Collingwood Close Twickenham TW2 7AE

  Hip to gable and rear dormer roof extensions and insertion of 2x rooflights to the front roof slope.

  Received 13 Jul, published by the council 26 Jul 2026 Prior approval
• PA26/0893 Granted

  21, Gloucester Road, Twickenham, TW2 6NF

  PROPOSED OUT BUILDING TO BE USED FOR STORAGE, SUMMER HOUSE AND GYMNASIUM

  Received 13 Mar, published by the council 26 Jul 2026 Prior approval