Mandalay, Willoughby Road, Twickenham, TW1 2QG

1. 12 Mar 2026

   Received by Richmond upon Thames

2. 17 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 22 Apr 2026

   Decision issued: Refused Permission

4. 13 Aug 2026

   Added to PlanIndex

Richmond upon Thames refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• Mandalay Willoughby Road Twickenham Richmond Upon Thames TW1 2QG

  06/0533/HOT Submitted 23 Feb 2006 2m away

  Loft extension with side elevation dormer.

  Refused Householder Extension Loft or dormer 14 docs
  Domestic

• Rosefinch House Willoughby Road Twickenham TW1 2QH

  24/T0947/TPO Submitted 1 Nov 2024 22m away

  T1 Horse Chestnut - Reduce the canopy by approximately 2 - 2.5 metres. Dimensions after pruning H18m W 8m To Improve light conditions into the house and garden, the owner is also concerned about the safety of the tree due its veteran status and due to previous poor pruning/Topping and the decay that would normally be associated with this practice.

  Granted Trees 2 docs

• Rosefinch House Willoughby Road Twickenham TW1 2QH

  23/0590/FUL Submitted 6 Mar 2023 22m away

  Enlargement of accessible area of existing first floor roof terrace at the rear.

  Refused Full applications 17 docs

• The Bungalow Willoughby Road Twickenham TW1 2QH

  23/0073/FUL Submitted 11 Jan 2023 30m away

  Installation of timber decking in the rear garden

  Granted Full applications 12 docs

• The Bungalow Willoughby Road Twickenham TW1 2QH

  21/1777/VRC Submitted 14 May 2021 30m away

  Variation of conditions U73866 - Decision drawings pursuant to planning permission 13/2484/FUL to allow for: Raising the front, side and rear parapet height at roof and garage level and amending the mansard roof profile. 1.1m rear ground floor living space of house A. 4m and 2.2m rear ground floor living space of house B. Reconfiguring the internal layouts of each house. Amendments to the openings, doors and fenestration, to all facades of house A and B as described in the proposed drawings. Creating additional windows to the side elevations of house B. Amending the approved stairs to the front entrance of house A and B and creating covered porches.

  Granted Amendments Loft or dormer Windows or glazing 27 docs

• 23 Beresford Avenue Twickenham Richmond Upon Thames TW1 2PY

  05/1716/HOT Submitted 6 Jun 2005 43m away

  Single storey rear and side extensions, new side garge extension conversion of existing integral garage in to habitable room, miscellaneous internal works,new rear garden verandah.new chimney to side.

  Granted Householder Extension 14 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