20 Princes Avenue Carshalton SM5 4NZ

1. 19 Jan 2026

   Received by Sutton

2. 20 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 17 Mar 2026

   Decision issued: Application Granted

4. 13 Aug 2026

   Added to PlanIndex

Sutton granted permission on 17 March 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.

• 14 Princes Avenue Carshalton SM5 4NZ

  DM2026/00206 Submitted 19 Feb 2026 27m away

  Prior Approval for a single storey rear extension projecting from the rear of the original house by 6m.

  Granted Householder Extension 7 docs
  Small domestic

• 14 Princes Avenue Carshalton SM5 4NZ

  DM2026/00201 Submitted 19 Feb 2026 27m away

  Conversion of loft space involving a dormer extension at rear and rooflights to front roofslope.

  Granted Outline Extension Loft or dormer 7 docs

• 14 Princes Avenue Carshalton SM5 4NZ

  DM2026/00673 Submitted 2 Jun 2026 55m away

  89% historically approved · decision due ~6 Aug

  Erection of a part one, part two storey front, side and rear extension including the conversion of the integrated flank garage into habitable rooms and associated external work, conversion of loft space involving alterations to existing roofline, a dormer extension at rear, rooflights to front roofslope, installation of rooflights to the ground floor rear extension flat and pitched roof and alterations to the ground floor front and first floor rear fenestrations.

  Decided Extension Loft or dormer

• Avalon The Close Carshalton SM5 4PE

  DM2023/01513 Submitted 3 Oct 2023 110m away

  Retention of a single storey rear extension including a raised patio to the rear. Part conversion of the garage to a habitable room.

  Granted Householder Extension 10 docs
  Small domestic

• Avalon The Close Carshalton SM5 4PE

  DM2023/01347 Submitted 23 Aug 2023 110m away

  Erection of a single storey rear extension.

  Withdrawn Amendments Extension 11 docs
  Small domestic

• 18 Barrow Avenue Carshalton SM5 4NY

  DM2021/01625 Submitted 3 Aug 2021 114m away

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

  Refused Householder Extension Loft or dormer 11 docs
  Domestic

• DM2026/00825 Refused

  4 Oakwood Wallington SM6 0RD

  Prior Approval for a single storey upwards extension projecting from the original house by 2.81m.

  7 Jul 2026 Householder
• DM2026/00600 Granted

  5 Waterer Rise Wallington SM6 9DN

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

  14 May 2026 Householder
• DM2026/00544 Granted

  18 Cheviot Close Sutton SM2 5SB

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

  29 Apr 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.

  27 Jan 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.

  26 May 2026 Householder