23 Mayfair Avenue Twickenham TW2 7JG

1. 26 Sep 2024

   Received by Richmond upon Thames

2. 3 Oct 2024

   Validated

   Checked as complete and ready for consideration.

3. 27 Nov 2024

   Decision issued: Granted Permission

4. 23 Aug 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 27 November 2024, 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.

• 21 Mayfair Avenue Twickenham TW2 7JG

  PA26/1943 Submitted 3 Jun 2026 50 yards 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

• 21 Mayfair Avenue Twickenham Richmond Upon Thames TW2 7JG

  05/2576/PS192 Submitted 23 Aug 2005 50 yards away

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

  Granted Prior approval Extension 8 docs
  Small domestic

• 13 Mayfair Avenue Twickenham TW2 7JG

  19/3431/PS192 Submitted 11 Nov 2019 50 yards away

  Hip-to-gable loft conversion with rooflights to the front roof.

  Granted Prior approval Loft or dormer 17 docs

• 13 Mayfair Avenue Twickenham TW2 7JG

  22/3222/HOT Submitted 27 Oct 2022 50 yards away

  Demolition of existing single storey rear extension and rear bay window and erection of a full width single storey rear extension with part flat/part hipped roof.

  Granted Householder Extension Demolition +1 31 docs
  Small domestic

• 24 Mayfair Avenue Twickenham TW2 7JG

  PA26/0041 Submitted 6 Jan 2026 50 yards 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

• 26, Mayfair Avenue, Twickenham, TW2 7JG

  PA26/2924 Submitted 24 Aug 2026 50 yards away

  Hip to gable loft conversion, construction of a new rear roof dormer, new rooflights to the loft and front of the property, obscure glazed window to the side elevation, new front porch.

  Granted Prior approval Extension Loft or dormer +1 9 docs
  Small domestic

• PA26/2361 Refused

  11, Waterloo Place, Richmond, TW9 1EB

  Single storey rear extension to replace existing rear extension.

  Received 6 Jul, published by the council 26 Jul 2026 Householder
• PA26/2869 Refused

  60, Castelnau, London, SW13 9EX

  Improvements to the front elevation, replacement of the coach house, replacement of the rear extensions, first and second floor rear extension and new basement excavation.

  Received 18 Aug, published by the council 23 Aug 2026 Householder
• PA26/2821 Granted

  192A, Sheen Lane, London, SW14 8LF

  Alterations to the existing dwelling, including enlarging existing window and door openings, replacement windows and doors, new rooflight openings, replacement rooflights in existing openings, rendering the external brickwork, installation of an air source heat pump, air conditioning unit and photovoltaic panels, installation of woodburner flue, removal of the brick chimney stack at roof level and replacement of a brick garden wall with a timber screen.

  Received 13 Aug, published by the council 23 Aug 2026 Householder
• PA26/2256 Refused

  36A Cambridge Park Twickenham TW1 2JU

  Erection of a detached domestic garage to serve the existing dwelling, positioned toward the front/side of the plot and associated frontage boundary alterations including replacement wall/fence/hedging treatment.

  Received 29 Jun, published by the council 23 Aug 2026 Householder
• PA26/2671 Granted

  30, The Avenue, Twickenham, TW1 1RY

  Demolition of garage, ground floor rear extension, ground floor side extension, new conservation rooflights to main roof and removal of one window.

  Received 31 Jul, published by the council 6 Aug 2026 Householder