21 Hertford Avenue East Sheen London SW14 8EF

1. 8 Feb 2023

   Received by Richmond upon Thames

2. 29 Mar 2023

   Decision issued: Granted Permission

3. 16 Aug 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 29 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.

• 29, Hertford Avenue, London, SW14 8EF

  PA25/4375 Submitted 8 Dec 2025 50 yards away

  Double storey side extension and single storey rear extension with new dormers and fenestration changes

  Granted Householder Extension Loft or dormer +1 18 docs
  Small domestic

• 7 Hertford Avenue East Sheen Richmond Upon Thames SW14 8EF

  05/2185/FUL Submitted 20 Jul 2005 50 yards away

  Ground floor rear and side extension and rear extension of garage.

  Granted Full applications Extension 18 docs

• 23 Shottfield Avenue East Sheen Richmond Upon Thames SW14 8EA

  04/3116/HOT Submitted 30 Sep 2004 50 yards away

  Side and rear single storey extension.

  Granted Householder Extension 6 docs
  Small domestic

• 8 Hertford Avenue East Sheen London SW14 8EE

  21/2731/HOT Submitted 2 Aug 2021 50 yards away

  Proposed ground floor rear extension and front facade alterations.

  Granted Householder Extension 18 docs
  Domestic

• 9 Shottfield Avenue East Sheen Richmond Upon Thames SW14 8EA

  05/2957/HOT Submitted 23 Sep 2005 100 yards away

  Single storey rear extension and addition of dormers to existing loft.

  Granted Householder Extension Loft or dormer 10 docs
  Small domestic

• 3 Hertford Avenue East Sheen Richmond Upon Thames SW14 8EF

  04/1643/HOT Submitted 24 May 2004 100 yards away

  Ground and first floor rear extension

  Granted Householder Extension 6 docs
  Domestic

• 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