21 Sandy Lane Petersham Richmond TW10 7EW

1. 4 Nov 2019

   Received by Richmond upon Thames

2. 3 Dec 2019

   Decision issued: Granted Permission

3. 27 Aug 2026

   Added to PlanIndex

Richmond upon Thames granted permission on 3 December 2019, 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.

• 27 Sandy Lane Petersham Richmond TW10 7EW

  21/2431/HOT Submitted 5 Jul 2021 50 yards away

  Single storey rear extension. First floor side extension. Rear dormer roof extension. Replacement windows/door on front and rear elevations. Front rooflights. Roof lantern on top of rear dormer. New window on first floor side elevation. Alterations to elevation treatment. Rooflights to side roofslope. Amendment of 20/1819/HOT

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

• 15, Sandy Lane, Petersham, Richmond, TW10 7EW

  PA25/3783 Submitted 21 Oct 2025 50 yards away

  Variation of planning approval 24/3222/HOT to allow for proposed installation of a rooflight on the side roof slope.

  Granted Amendments Loft or dormer 12 docs

• 12 Ashley Gardens Petersham Richmond Upon Thames TW10 7BU

  04/1816/PS192 Submitted 8 Jun 2004 50 yards away

  Conversion of garage to habitable room. Alterations to front and rear elevations.

  Granted Prior approval 8 docs

• 40 Sandy Lane Petersham Richmond Upon Thames TW10 7EL

  06/0817/HOT Submitted 16 Mar 2006 50 yards away

  Proposed ground and first floor rear extension.

  Granted Householder Extension 10 docs
  Domestic

• 31 Sandy Lane Petersham Richmond Upon Thames TW10 7EW

  05/3837/HOT Submitted 14 Dec 2005 50 yards away

  Enlargement of roof and addition of 2 side and one rear dormer ro form new second floor.

  Refused Householder Loft or dormer 18 docs
  Domestic

• 48 Sandy Lane Petersham Richmond Upon Thames TW10 7EL

  05/1777/HOT Submitted 10 Jun 2005 50 yards away

  First and second storey rear extension.

  Granted Householder Extension 9 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