14, Strathearn Avenue, Twickenham, TW2 6JU

This site has had 2 applications since 2026.

• PA26/3379 Awaiting decision

  14, Strathearn Avenue, Twickenham, TW2 6JU

  The application is for an L shaped ground floor extension with a side facing first floor extension and a front facing porch extension to a semi detached Edwardian property to create additional space for a family home.

  Submitted 1 Oct 2026 Householder

1. 1 Oct 2026

   Received by Richmond upon Thames

2. 6 Oct 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 26 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Richmond upon Thames took a median of 46 days over the applications it decided in the last year.

This application is with Richmond upon Thames for determination, against a statutory target of eight weeks. Over the last year Richmond upon Thames decided prior approval applications in a median of 43 days. More in our guide to how long planning decisions take.

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.

• 14, Strathearn Avenue, Twickenham, TW2 6JU

  PA26/3379 Submitted 1 Oct 2026 50 yards away

  84% historically approved · decision due ~26 Nov

  The application is for an L shaped ground floor extension with a side facing first floor extension and a front facing porch extension to a semi detached Edwardian property to create additional space for a family home.

  Awaiting decision Householder Extension 16 docs
  Small domestic

• 12, Strathearn Avenue, Twickenham, TW2 6JU

  PA25/3519 Submitted 7 Oct 2025 50 yards away

  First Floor Side Extension, Conversion of Garage to Habitable Accommodation, Alterations to Roof including Increase in Ridge Height and Rear Dormer, Alterations to Elevations, And All Associated Works

  Refused Householder Extension Loft or dormer +1 24 docs
  Domestic

• 12, Strathearn Avenue, Twickenham, TW2 6JU

  PA25/3488 Submitted 3 Oct 2025 50 yards away

  First Floor Side Extension, Conversion of Garage to Habitable Accommodation, Alterations to Elevations, And All Associated Works

  Refused Householder Extension 25 docs
  Domestic

• 12, Strathearn Avenue, Twickenham, TW2 6JU

  PA26/0760 Submitted 4 Mar 2026 50 yards away

  Proposed garage conversion to habitable room with new flat roof over and front elevation set back.

  Granted Householder 9 docs
  Small domestic

• 16 Strathearn Avenue Twickenham TW2 6JU

  19/3235/PDE Submitted 22 Oct 2019 50 yards away

  Single-storey rear extension (4m depth, 3.2m eaves height, 3.2m maximum height).

  Withdrawn Prior approval Extension 5 docs
  Small domestic

• 12, Strathearn Avenue, Twickenham, TW2 6JU

  PA26/1523 Submitted 5 May 2026 50 yards away

  Details pursuant to Condition C4 - Construction Management Plan, of planning permission PA26/0760.

  Granted Conditions 6 docs

• PA26/2683 Granted

  3, Pauline Crescent, Twickenham, TW2 6JD

  Single storey rear extension

  Received 31 Jul, published by the council 13 Aug 2026 Prior approval
• PA26/3420 Awaiting decision

  129 Lower Mortlake Road Richmond TW9 2LP

  Conversion of existing loftspace into habitable rooms with dormers to rear over main house and offshot

  Received 8 Oct, published by the council 12 Oct 2026 Prior approval
• PA26/3160 Granted

  2A Station Road Hampton Wick Middlesex KT1 4HG

  Repair of the front dormer cheeks, involving the replacement of the existing hanging slates with traditional lead.

  Received 11 Sep, published by the council 24 Sep 2026 Prior approval
• PA26/3423 Awaiting decision

  95 Selkirk Road Twickenham TW2 6PT

  Construction of single storey rear extension, 4.3m in depth, 3m in height and 3m in height to eaves.

  Received 6 Oct, published by the council 12 Oct 2026 Prior approval
• PA26/3389 Awaiting decision

  39, Shacklegate Lane, Teddington, TW11 8SF

  The existing 4.55 m deep ground-floor rear extension is to be extended by 1.45 m. The existing pitched roof will also be extended, with the overall height remaining unchanged (6m overall depth, 2.41m eaves height, 3.78m overall height).

  Received 5 Oct, published by the council 6 Oct 2026 Prior approval