20 Birchwood Avenue Wallington SM6 7EN

This site has had 4 applications since 2025: 4 approved, 0 refused.

• DM2026/00293 Granted

  20 Birchwood Avenue Wallington SM6 7EN

  Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.

  Decided 7 May 2026 Outline
• DM2025/01296 Granted

  20 Birchwood Avenue Wallington SM6 7EN

  Prior Approval for a single storey rear extension projecting from the rear of the original house by 5m.

  Decided 26 Nov 2025 Householder
• DM2025/01295 Granted

  20 Birchwood Avenue Wallington SM6 7EN

  Erection of single storey rear extension, conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.

  Decided 9 Dec 2025 Outline

1. 9 Mar 2026

   Received by Sutton

2. 17 Apr 2026

   Decision issued: Prior Approval Not Required

3. 13 Aug 2026

   Added to PlanIndex

Sutton granted permission on 17 April 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 20 Birchwood Avenue Wallington SM6 7EN

  DM2025/01296 Submitted 15 Oct 2025 50 yards away

  Prior Approval for a single storey rear extension projecting from the rear of the original house by 5m.

  Granted Householder Extension 8 docs
  Small domestic

• 20 Birchwood Avenue Wallington SM6 7EN

  DM2025/01295 Submitted 15 Oct 2025 50 yards away

  Erection of single storey rear extension, conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.

  Granted Outline Extension Loft or dormer +1 8 docs
  Small domestic

• 20 Birchwood Avenue Wallington SM6 7EN

  DM2026/00293 Submitted 9 Mar 2026 50 yards away

  Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.

  Granted Outline Extension Loft or dormer +1 10 docs

• 28 Birchwood Avenue Wallington SM6 7EN

  DM2020/00340 Submitted 3 Mar 2020 50 yards away

  Erection of a single storey rear extension and the demolition of existing garage.

  Granted Householder Extension Demolition 15 docs
  Small domestic

• 23 Birchwood Avenue Wallington SM6 7EN

  DM2025/01334 Submitted 23 Oct 2025 50 yards away

  Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.

  Granted Outline Extension Loft or dormer +1 9 docs

• 11 Birchwood Avenue Wallington SM6 7HE

  DM2026/00128 Submitted 2 Feb 2026 50 yards away

  Erection of a single storey side and rear extension.

  Granted Householder Extension 13 docs
  Small domestic

• DM2026/00600 Granted

  5 Waterer Rise Wallington SM6 9DN

  Erection of front boundary gates with walls, piers and railings.

  Received 14 May, published by the council 25 Jul 2026 Householder
• DM2026/00764 Granted

  12 The Causeway Sutton SM2 5RS

  Erection of a single storey rear extension and provision of a raised rear terrace and steps, two dormer extensions to both front and rear roofslopes, alterations to roof of existing single storey side extension, partial conversion of garage into habitable room and alterations to fenestrations.

  Received 23 Jun, published by the council 25 Jul 2026 Householder
• DM2026/00544 Granted

  18 Cheviot Close Sutton SM2 5SB

  Erection of a single storey front, side and rear extension.

  Received 29 Apr, published by the council 25 Jul 2026 Householder
• DM2026/00083 Granted

  53 Oxford Road Carshalton SM5 3QZ

  Erection of a part one, part two storey side and rear extension. Conversion of loft space involving alterations to existing roofline, a dormer extension at rear and rooflights to front roofslope.

  Received 27 Jan, published by the council 27 Jul 2026 Householder
• DM2026/00644 Granted

  37 Farm Way Worcester Park KT4 8RZ

  Erection of a single storey rear extension and conversion of the garage to a habitable room with associated external works.

  Received 26 May, published by the council 25 Jul 2026 Householder