13 Mayfair Avenue Twickenham TW2 7JG

1. 11 Nov 2019

   Received by Richmond upon Thames

2. 17 Dec 2019

   Decision issued: Granted Permission

3. 27 Aug 2026

   Added to PlanIndex

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

Prior approval applications arise where permitted development rights already grant the principle of the work, such as larger home extensions, changes of use to housing or agricultural buildings. The council may only consider the specific matters set out in the rules, for example transport, flooding or appearance, and in many classes the work may proceed if the council does not respond within the deadline, commonly 56 days.

More on prior approval applications in our guide

• 9 Mayfair Avenue Twickenham Richmond Upon Thames TW2 7JG

  05/3145/PS192 Submitted 24 Oct 2005 11m away

  Proposed Hip To Gable Loft Conversion With Rear Dormer.

  Granted Prior approval Loft or dormer 6 docs

• 21 Mayfair Avenue Twickenham Richmond Upon Thames TW2 7JG

  05/2576/PS192 Submitted 23 Aug 2005 22m away

  Proposed Single Storey Rear Extension And Erection Of Garage To Rear Of Property.

  Granted Prior approval Extension 8 docs
  Small domestic

• 21 Mayfair Avenue Twickenham TW2 7JG

  PA26/1943 Submitted 3 Jun 2026 29m away

  HIP TO GABLE LOFT CONVERSION, ERECTION OF A REAR ROOF DORMER, PARTIAL REMOVAL OF CHIMNEY STACK, INSERTION OF TWO VELUX ROOFLIGHTS TO FRONT ROOFLSOPE AND ALTERATIONS TO FENESTRATION ON FLANK ELEVATION

  Granted Prior approval Loft or dormer Windows or glazing 16 docs

• 23 Mayfair Avenue Twickenham TW2 7JG

  24/2429/HOT Submitted 26 Sep 2024 35m away

  Single Storey Rear Extension with rooflight.

  Granted Householder Extension Loft or dormer 15 docs
  Small domestic

• 8 Oaklands Constance Road Twickenham Richmond Upon Thames TW2 7JQ

  05/T0358/TPO Submitted 27 May 2005 38m away

  T1 - (T2) - Oak (Quercus spp.) - Cut back from property; reduce main limb back to north growing branch approximately 5'' diametre.

  Granted Trees

• 24 Mayfair Avenue Twickenham TW2 7JG

  PA26/0041 Submitted 6 Jan 2026 50m away

  Construction of a hip-to-gable loft conversion and rear dormer. Installation of rooflights. Installation of solar panels. Construction of a front porch.

  Granted Prior approval Extension Loft or dormer 12 docs
  Small domestic

• PA26/2437 Granted

  119 Hampton Road Twickenham TW2 5QN

  Erection of a single-storey rear extension and associated internal alterations.

  13 Jul 2026 Prior approval
• PA26/2424 Granted

  45 Selkirk Road Twickenham

  Flat roof rear box dormer extension with wall tiles to match existing roof.

  10 Jul 2026 Prior approval
• PA26/2409 Granted

  15 Tudor Road Hampton TW12 2NH

  Proposed single storey rear extension and rear ground floor opening alterations.

  9 Jul 2026 Prior approval
• PA26/2615 Granted

  30, Jubilee Avenue, Twickenham, TW2 6JB

  Loft conversion with roof extension and proposed out building in the rear garden.

  27 Jul 2026 Prior approval
• PA26/3058 Awaiting decision

  253, Staines Road, Twickenham, TW2 5AY

  Prior approval for larger household extension (6m depth, 2.3m eaves height, 4m overall height)

  2 Sep 2026 Prior approval