1 Grove Avenue Twickenham TW1 4HX

This site has had 2 applications since 2025: 2 approved, 0 refused.

• PA25/3327 Granted

  1 Grove Avenue Twickenham TW1 4HX

  Rear dormer roof extension over main rear of house and over part of outrigger projection, and installation of 2No. rooflights in the front roofslope

  Decided 23 Oct 2025 Prior approval

1. 25 Sep 2025

   Received by Richmond upon Thames

2. 6 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 20 Nov 2025

   Decision issued: Granted Permission

4. 13 Aug 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 20 November 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.

• 1 Grove Avenue Twickenham TW1 4HX

  PA25/3327 Submitted 25 Sep 2025 0m away

  Rear dormer roof extension over main rear of house and over part of outrigger projection, and installation of 2No. rooflights in the front roofslope

  Granted Prior approval Extension Loft or dormer 13 docs

• 81 Lion Road Twickenham TW1 4HT

  PA26/0142 Submitted 15 Jan 2026 35m away

  L shape rear dormer roof extensions. Rooflight to front elevation

  Granted Prior approval Extension Loft or dormer 7 docs

• 81 Lion Road Twickenham TW1 4HT

  PA26/0141 Submitted 15 Jan 2026 35m away

  The erection of a ground floor side and rear extension. Including the creation of two new first floor front windows and replacement of an existing ground floor front window and door.

  Granted Householder Extension Windows or glazing 13 docs
  Domestic

• 15 Grove Avenue Twickenham TW1 4HX

  17/4389/NMA Submitted 2 Jul 2021 36m away

  Non material amendment to planning permission 17/4389/HOT: Amendments to the roof design including its skylights; Openings design to the rear elevation.

  Refused Amendments 4 docs

• 12, Grove Avenue, Twickenham, TW1 4HY

  PA26/1217 Submitted 7 Apr 2026 41m away

  Erection of a single-storey pitched roof side infill extension incorporating two Velux rooflights, with a maximum height of 3.42 metres and an eaves height of 2.50 metres.

  Granted Prior approval Extension Loft or dormer 11 docs
  Small domestic

• 77 Lion Road Twickenham TW1 4HT

  24/2483/HOT Submitted 3 Oct 2024 44m away

  Ground floor rear & side extension and first floor side extension with boundary wall changes and addition of new skylight

  Refused Householder Extension 22 docs
  Small domestic

• 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