30 Ashby Avenue Chessington KT9 2BU

1. 27 Oct 2025

   Received by Kingston upon Thames

2. 22 Dec 2025

   Decision issued: Application Granted

3. 26 Jul 2026

   Added to PlanIndex

Kingston upon Thames granted permission on 22 December 2025, 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.

• 48 Ashby Avenue Chessington KT9 2BU

  20/03214/CPU Submitted 10 Dec 2020 50 yards away

  Erection of rear dormer roof extension (incorporating a juliet balcony) and installation of 2no. rooflights to front roofslope

  Granted Lawful development Extension Loft or dormer 10 docs

• 19 Ashby Avenue Chessington KT9 2BT

  22/01698/HOU Submitted 23 May 2022 100 yards away

  Erection of single storey front porch, part two storey/part single storey rear extension including conservatory, rear dormer roof extension to facilitate loft conversion. Excavation of basement level, light well and walk on rooflights. (Retrospective application)

  Refused Householder Extension Loft or dormer 9 docs
  Small domestic

• 49 Ashby Avenue Chessington KT9 2BT

  26/01927/TPO Submitted 4 Sep 2026 100 yards away

  94% historically approved · decision due ~5 Nov

  T1: Oak - 4m Crown reduction, Crown lift up to 4m from ground level, Crown thin by 10% to reduce decaying and deadwood branches.

  Decided Trees 3 docs

• 5 Maltby Road Chessington KT9 2BX

  25/01193/HOU Submitted 1 May 2025 100 yards away

  Erection of a single storey front porch, part two storey/part single storey rear extension.

  Granted Householder Extension 6 docs
  Small domestic

• 19 Ashby Avenue Chessington KT9 2BT

  21/00345/HOU Submitted 4 Feb 2021 100 yards away

  Excavation of side and rear basement extension and increase in height by 400mm of the entire basement

  Refused Householder Extension 7 docs
  Domestic

• 19 Ashby Avenue Chessington KT9 2BT

  21/01919/HOU Submitted 15 Jun 2021 100 yards away

  Retentention of part basement side and rear extension and increase in height by 400mm of the entire basement

  Withdrawn Householder Extension 7 docs
  Domestic

• 26/01541/CPU Granted

  81 Manor Drive North New Malden KT3 5PA

  Conversion of garage into a habitable space and all associated works.

  Received 14 Jul, published by the council 26 Jul 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.

  Received 3 Jul, published by the council 26 Jul 2026 Lawful development
• 26/00979/CPU Granted

  4 Manston Grove Kingston Upon Thames KT2 5GF

  Erection of a single storey rear extension.

  Received 8 May, published by the council 12 Aug 2026 Lawful development
• 26/00883/CPU Refused

  3 Juniper Close Chessington KT9 2AX

  Conversion of garage to habitable room with changes to front fenestration

  Received 24 Apr, published by the council 26 Jul 2026 Lawful development
• 26/00489/CPU Granted

  40 Hollybush Road Kingston Upon Thames KT2 5SE

  Erection of a single storey front porch.

  Received 6 Mar, published by the council 26 Jul 2026 Lawful development