23 Cotsford Avenue New Malden KT3 5EU

This site has had 2 applications since 2025: 1 approved, 1 refused.

• 25/02550/CPU Refused

  23 Cotsford Avenue New Malden KT3 5EU

  Erection of a single storey rear detached outbuilding to be used as a home office/garden room.

  Decided 10 Dec 2025 Lawful development

1. 4 Feb 2026

   Received by Kingston upon Thames

2. 10 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 10 Apr 2026

   Decision issued: Application Granted

4. 12 Aug 2026

   Added to PlanIndex

Kingston upon Thames granted permission on 10 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 23 Cotsford Avenue New Malden KT3 5EU

  25/02550/CPU Submitted 30 Sep 2025 0m away

  Erection of a single storey rear detached outbuilding to be used as a home office/garden room.

  Refused Lawful development 7 docs
  Small domestic

• 27 Cotsford Avenue New Malden KT3 5EU

  26/00015/HOU Submitted 6 Jan 2026 31m away

  Alterations to rear conservatory with installation of double pitched roof, thermal wall insulation and changes to fenestrations

  Granted Householder Extension 18 docs
  Small domestic

• 27 Cotsford Avenue New Malden KT3 5EU

  24/01819/TPO Submitted 22 Jul 2024 37m away

  T1 - Willow Pollard to new points bellow previous ones, the tree has suffered a very large tear out at crown break and now has substantial weight left above wound.

  Decided Trees 2 docs

• 31 Cotsford Avenue New Malden KT3 5EU

  25/01770/PAEXT Submitted 3 Jul 2025 60m away

  Erection of single storey rear extension (Maximum 6.0m in depth, maximum height of 3.0m and eaves height of 3.0m)

  Granted Householder Extension 15 docs
  Small domestic

• 11 Cotsford Avenue New Malden KT3 5EU

  24/02162/HOU Submitted 2 Sep 2024 94m away

  Demolition of an existing side conservatory, erection of part two storey/part single storey rear and side, single storey front porch extension. Roof alteration with first floor front extension, 1no front dormer and increase in roof height. Installation of 3nos side rooflights.

  Refused Householder Extension Loft or dormer +1 12 docs
  Small domestic

• 11 Cotsford Avenue New Malden KT3 5EU

  22/03912/HOU Submitted 20 Dec 2022 94m away

  Erection of single storey rear, front porch and side extension. Erection of roof extension and installation of 2nos front. 2nos rear and 3nos side rooflights to facilitate loft conversion. Relocation of main entrance door.

  Granted Householder Extension Loft or dormer 7 docs
  Small domestic

• 26/01028/CPU Granted

  7 Lynton Close Chessington KT9 1HB

  Conversion of existing attached garage to utility room and WC ancillary to the main dwelling.

  13 May 2026 Lawful development
• 26/01012/CPU Granted

  40 Staunton Road Kingston Upon Thames KT2 5TJ

  Erection of hip to gable roof extension with rear dormer and installation of 2nos front roof lights

  12 May 2026 Lawful development
• 26/01468/CPU Granted

  112 Durlston Road Kingston Upon Thames KT2 5RU

  Erection of rear dormer roof extension and installation of 2nos front rooflights.

  3 Jul 2026 Lawful development
• 26/00870/CPU Refused

  14 Regent Road Surbiton KT5 8NL

  Erection of hip-to-gable and rear dormer roof extension with Juliet balcony and 1no. front rooflight to facilitate loft conversion.

  23 Apr 2026 Lawful development
• 26/01068/CPU Granted

  27 Dawson Road Kingston Upon Thames KT1 3AU

  Erection of single storey rear extension with alteration to side fenestration.

  20 May 2026 Lawful development