23 Grasmere Avenue Whitton Hounslow TW3 2JG

1. 8 Jun 2026

   Received by Richmond upon Thames

2. 17 Jul 2026

   Decision issued: GPD Extension Conditional

3. 26 Jul 2026

   Added to PlanIndex

Richmond upon Thames has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

• 33 Grasmere Avenue Whitton Richmond Upon Thames TW3 2JG

  PA25/3553 Submitted 7 Oct 2025 0.1 miles away

  Loft conversion and outbuilding

  Granted Prior approval Loft or dormer 11 docs

• 14 Grasmere Avenue Whitton Richmond Upon Thames TW3 2JQ

  06/0550/HOT Submitted 20 Feb 2006 0.1 miles away

  Proposed extension to first floor room and garage at front and erection of a rear conservatory.

  Withdrawn Householder Extension 9 docs
  Small domestic

• 14 Grasmere Avenue Whitton Richmond Upon Thames TW3 2JQ

  05/3786/HOT Submitted 13 Dec 2005 0.1 miles away

  Extension of existing dormer roof, extension to first floor room and garage at front, and rear conservatory.

  Withdrawn Householder Extension Loft or dormer 8 docs
  Small domestic

• 37 Grasmere Avenue Whitton Hounslow TW3 2JG

  23/0306/PS192 Submitted 2 Feb 2023 0.1 miles away

  erection of a single-storey outbuilding in the rear garden.

  Granted Prior approval 6 docs
  Small domestic

• Kerswell Hall Wills Crescent Whitton Richmond Upon Thames TW3 2JF

  05/1911/FUL Submitted 23 Jun 2005 0.1 miles away

  Proposal to erect 2.4m high palisade fence around the perimeter of the site.

  Granted Full applications 7 docs
  Small domestic

• 30 Grasmere Avenue Whitton Richmond Upon Thames TW3 2JQ

  05/1120/HOT Submitted 18 Apr 2005 0.1 miles away

  Proposed loft extension with hip to gable and rear dormer

  Granted Householder Extension Loft or dormer 11 docs
  Domestic

• PA26/2560 Granted

  32 Fortescue Avenue Twickenham TW2 5LS

  Construction of a hip to gable and rear dormer roof extension, rooflights to front elevation and single storey rear extension

  Received 23 Jul, published by the council 26 Jul 2026 Prior approval
• PA26/3175 Awaiting decision

  146, Waldegrave Road, Teddington, TW11 8NA

  CONSTRUCTION OF HIP TO GABLE AND REAR DORMER EXTENSIONS,INSERTION OF ROOFLIGHTS,ONE OBSCURE GLAZED SIDE WINDOW AND ALTERATIONS TO THE SOIL VENT PIPE. RESUBMISSION OF PREVIOUS REFUSED APPLICATION REF. PA26/2122.

  Received 14 Sep, published by the council 17 Sep 2026 Prior approval
• PA26/2193 Refused

  5, The Hermitage, Richmond, TW10 6SH

  ASHP unit to rear flat roof, AOV (automatic opening vent) - flue to rear flat roof

  Received 23 Jun, published by the council 26 Jul 2026 Prior approval
• PA26/2454 Granted

  11 Collingwood Close Twickenham TW2 7AE

  Hip to gable and rear dormer roof extensions and insertion of 2x rooflights to the front roof slope.

  Received 13 Jul, published by the council 26 Jul 2026 Prior approval
• PA26/0893 Granted

  21, Gloucester Road, Twickenham, TW2 6NF

  PROPOSED OUT BUILDING TO BE USED FOR STORAGE, SUMMER HOUSE AND GYMNASIUM

  Received 13 Mar, published by the council 26 Jul 2026 Prior approval