12, Strathearn Avenue, Twickenham, TW2 6JU

This site has had 4 applications since 2025: 2 approved, 2 refused.

• PA26/0760 Granted

  12, Strathearn Avenue, Twickenham, TW2 6JU

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

  Decided 28 Apr 2026 Householder
• PA25/3519 Refused

  12, Strathearn Avenue, Twickenham, TW2 6JU

  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

  Decided 1 Dec 2025 Householder
• PA25/3488 Refused

  12, Strathearn Avenue, Twickenham, TW2 6JU

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

  Decided 1 Dec 2025 Householder

1. 5 May 2026

   Received by Richmond upon Thames

2. 26 Jul 2026

   Added to PlanIndex

3. 20 Aug 2026

   Decision issued: Granted Permission

• PA26/0760 Granted

  12, Strathearn Avenue, Twickenham, TW2 6JU

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

  Decided 28 Apr 2026 Householder

Richmond upon Thames granted permission on 20 August 2026, 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.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• 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

• 18, Strathearn Avenue, Twickenham, TW2 6JU

  PA26/2746 Submitted 7 Aug 2026 50 yards away

  87% historically approved · decision due ~2 Oct

  Proposed loft extension with hip to gable roof extension, rear facing dormer and front facing roof windows.

  Awaiting decision Prior approval Extension Loft or dormer +1 4 docs

• 7 Bryanston Avenue Twickenham Richmond Upon Thames TW2 6HP

  05/0577/HOT Submitted 25 Feb 2005 50 yards away

  Proposed first floor side extension above garage and roof extension

  Refused Householder Extension 11 docs
  Domestic

• PA26/3197 Awaiting decision

  77, Broad Lane, Hampton, TW12 3BE

  Details pursuant to condition C20 Suds pf planning reference PA25/2398

  Received 15 Sep, published by the council 17 Sep 2026 Conditions
• PA26/3185 Awaiting decision

  Hampton Wick Royal Cricket Club, Bushy Park, Hampton Hill, Hampton, TW11 0EA

  Details pursuanto Conditions C5. Details - Materials to be approved and C6. Architectural Details; of planning permission reference 24/1411/FUL

  Received 14 Sep, published by the council 17 Sep 2026 Conditions
• PA26/3189 Awaiting decision

  74, Richmond Hill, Richmond

  Details pursuant to Conditions 4 construction management plan and 8 security hoarding and maintenance of such - external works of Appeal 6002563 relevant to application PA25/1389

  Received 14 Sep, published by the council 17 Sep 2026 Conditions
• PA26/3193 Awaiting decision

  74, Heath Road, Twickenham, TW1 4BW

  Details pursuant to conditions C2 residential parking permits and C3 construction management plan of planning reference PA25/0689

  Received 14 Sep, published by the council 17 Sep 2026 Conditions
• PA26/3153 Awaiting decision

  Superstore, Twickenham Road, Hanworth, Feltham, TW13 6EZ

  Details pursuant to condition C6. Ecological Enhancements of planning reference PA26/1681.

  Received 11 Sep, published by the council 17 Sep 2026 Conditions