27 Constance Road Twickenham TW2 7HT

1. 6 Jan 2023

   Received by Richmond upon Thames

2. 1 Mar 2023

   Decision issued: Granted Permission

3. 12 Sep 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 1 March 2023, 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.

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.

• 26, Mayfair Avenue, Twickenham, TW2 7JG

  PA26/2924 Submitted 24 Aug 2026 50 yards away

  87% historically approved · decision due ~19 Oct

  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.

  Awaiting decision Prior approval Extension Loft or dormer +1 7 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

• 23 Mayfair Avenue Twickenham TW2 7JG

  24/2429/HOT Submitted 26 Sep 2024 50 yards away

  Single Storey Rear Extension with rooflight.

  Granted Householder Extension Loft or dormer 15 docs
  Small domestic

• 10 Constance Road Twickenham TW2 7JH

  19/0386/DD01 Submitted 1 Nov 2019 50 yards away

  Details pursuant to conditions BD12 - Details - Materials to be Approved, DV49 - Construction Method Statement & LT09 - Hard and Soft Landscaping Required of planning permission 19/0386/FUL.

  Granted Reserved matters 19 docs

• 10 Constance Road Twickenham Richmond Upon Thames TW2 7JH

  04/3134/HOT Submitted 29 Sep 2004 50 yards away

  Conversion of existing garage into self contained dwelling unit for residential use ancillary to No.10.

  Granted Householder 8 docs
  Domestic

• 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

• 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