1 Upper Grotto Road Twickenham TW1 4NG

This site has had 3 applications since 2023: 2 approved, 1 refused.

• 23/0579/HOT Granted

  1 Upper Grotto Road Twickenham TW1 4NG

  Single storey rear and side extension with pitched roof

  Decided 14 Apr 2023 Householder
• 23/0497/HOT Refused

  1 Upper Grotto Road Twickenham TW1 4NG

  Pitched roof over rear two storey flat roof extension with a loft conversion incorporating a rear dormer small dormer on outrigger and a hip to gable

  Decided 22 Apr 2023 Householder

1. 22 Feb 2023

   Received by Richmond upon Thames

2. 14 Apr 2023

   Decision issued: Granted Permission

3. 27 Aug 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 14 April 2023, 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.

• 1 Upper Grotto Road Twickenham TW1 4NG

  23/0497/HOT Submitted 24 Feb 2023 50 yards away

  Pitched roof over rear two storey flat roof extension with a loft conversion incorporating a rear dormer small dormer on outrigger and a hip to gable

  Refused Householder Extension Loft or dormer 12 docs
  Domestic

• 1 Upper Grotto Road Twickenham TW1 4NG

  23/0579/HOT Submitted 6 Mar 2023 50 yards away

  Single storey rear and side extension with pitched roof

  Granted Householder Extension 12 docs
  Small 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

• 23 Upper Grotto Road Twickenham TW1 4NG

  PA26/2971 Submitted 26 Aug 2026 50 yards away

  84% 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

• 59 Popes Grove Twickenham

  04/1858/HOT Submitted 15 Jun 2004 50 yards away

  04/1672 First Floor Side Extension Above Garage And First Floor Link With Main House.

  Granted Householder Extension 7 docs
  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

• PA26/2683 Granted

  3, Pauline Crescent, Twickenham, TW2 6JD

  Single storey rear extension

  Received 31 Jul, published by the council 13 Aug 2026 Prior approval
• PA26/3420 Awaiting decision

  129 Lower Mortlake Road Richmond TW9 2LP

  Conversion of existing loftspace into habitable rooms with dormers to rear over main house and offshot

  Received 8 Oct, published by the council 12 Oct 2026 Prior approval
• PA26/3160 Granted

  2A Station Road Hampton Wick Middlesex KT1 4HG

  Repair of the front dormer cheeks, involving the replacement of the existing hanging slates with traditional lead.

  Received 11 Sep, published by the council 24 Sep 2026 Prior approval
• PA26/3423 Awaiting decision

  95 Selkirk Road Twickenham TW2 6PT

  Construction of single storey rear extension, 4.3m in depth, 3m in height and 3m in height to eaves.

  Received 6 Oct, published by the council 12 Oct 2026 Prior approval
• PA26/3389 Awaiting decision

  39, Shacklegate Lane, Teddington, TW11 8SF

  The existing 4.55 m deep ground-floor rear extension is to be extended by 1.45 m. The existing pitched roof will also be extended, with the overall height remaining unchanged (6m overall depth, 2.41m eaves height, 3.78m overall height).

  Received 5 Oct, published by the council 6 Oct 2026 Prior approval