1 Upper Grotto Road Twickenham TW1 4NG

This site has had 2 applications since 2023: 2 approved, 0 refused.

• 23/0463/PS192 Granted

  1 Upper Grotto Road Twickenham TW1 4NG

  Hip to gable roof extension, construction of rear dormer to main roof and rear dormer on outrigger. Rooflights to front roofslope (amended description).

  Decided 14 Apr 2023 Prior approval

1. 6 Mar 2023

   Received by Richmond upon Thames

2. 14 Apr 2023

   Decision issued: Granted Permission

3. 23 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.

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.

• 1 Upper Grotto Road Twickenham TW1 4NG

  23/0463/PS192 Submitted 22 Feb 2023 0m away

  Hip to gable roof extension, construction of rear dormer to main roof and rear dormer on outrigger. Rooflights to front roofslope (amended description).

  Granted Prior approval Extension Loft or dormer 9 docs

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

  05/2495/HOT Submitted 16 Aug 2005 48m 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 57m 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

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

  04/3560/PS192 Submitted 2 Nov 2004 59m away

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

  Granted Prior approval Extension Loft or dormer 8 docs

• 24 Upper Grotto Road Twickenham TW1 4NF

  19/3113/VRC Submitted 15 Oct 2019 64m 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

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

  05/3637/PS192 Submitted 11 Nov 2005 68m away

  Proposed Hip To Gable Roof Extension With Rear Dormer.

  Granted Prior approval Extension Loft or dormer 6 docs

• PA26/2452 Refused

  50 Fairfax Road Teddington TW11 9BZ

  Roof extension to create additional loft storey. Increase in height to eaves and ridge to part of existing roof.

  13 Jul 2026 Householder
• PA26/3078 Awaiting decision

  64 FIRST AVENUE MORTLAKE LONDON SW14 8SR

  The demolition of the existing ground floor rear extension, construction of replacement ground floor rear extension and replacement windows to the rear of the property.

  4 Sep 2026 Householder
• PA26/3057 Awaiting decision

  23, Manderlea, The Avenue, Hampton, TW12 3RN

  Single storey rear extension, single storey side extension, and the installation of an air conditioning unit

  3 Sep 2026 Householder
• PA26/3068 Awaiting decision

  27 Ranelagh Avenue Barnes London SW13 0BL

  Single storey side return with a sloping rooflight. Incl replacement windows throughout.

  3 Sep 2026 Householder
• PA26/3067 Awaiting decision

  27 Ranelagh Avenue Barnes London SW13 0BL

  Rear mansard roof extension.

  3 Sep 2026 Householder