23 Portsmouth Road Kingston Upon Thames KT1 2NA

This site has had 2 applications since 2026: 1 approved, 1 refused.

• 26/01369/FUL Refused

  23 Portsmouth Road Kingston Upon Thames KT1 2NA

  Demolition of single storey rear extension, alterations to front and side elevations and erection of rear and side dormer roof extensions to facilitate loft conversion. Erection of 1no. three storey attached dwelling to create a pair of semi-detached houses with associated landscaping, parking, extended dropped kerb and external works. Demolition of garage and erection of garage to rear.

  Decided 17 Sep 2026 Full applications

1. 7 May 2026

   Received by Kingston upon Thames

2. 14 May 2026

   Decision issued: Application Granted

3. 12 Aug 2026

   Added to PlanIndex

Kingston upon Thames granted permission on 14 May 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.

• 22 Portsmouth Road Kingston Upon Thames KT1 2NA

  20/03217/NMA Submitted 14 Dec 2020 50 yards away

  Non Material Amendment to Planning Permission 20/00416/HOU (Erection of single storey side and rear extension, two storey rear extension, loft conversion with 2no. dormer windows and addition of Juliet balcony to front elevation.) to omit of single storey side and rear extension

  Refused Amendments Extension Loft or dormer +1 17 docs
  Small domestic

• 22 Portsmouth Road Kingston Upon Thames KT1 2NA

  25/02637/HOU Submitted 9 Oct 2025 50 yards away

  Erection of drop kerb

  Granted Householder 7 docs
  Domestic

• 22 Portsmouth Road Kingston Upon Thames KT1 2NA

  20/00416/HOU Submitted 20 Feb 2020 50 yards away

  Erection of single storey side and rear extension, two storey rear extension, loft conversion with 2no. dormer windows and addition of Juliet balcony to front elevation.

  Granted Householder Extension Loft or dormer +1 13 docs
  Small domestic

• 23 Portsmouth Road Kingston Upon Thames KT1 2NA

  26/01369/FUL Submitted 24 Jun 2026 50 yards away

  Demolition of single storey rear extension, alterations to front and side elevations and erection of rear and side dormer roof extensions to facilitate loft conversion. Erection of 1no. three storey attached dwelling to create a pair of semi-detached houses with associated landscaping, parking, extended dropped kerb and external works. Demolition of garage and erection of garage to rear.

  Refused Full applications Extension Loft or dormer +1
  Small domestic

• Waterside 21 Portsmouth Road Kingston Upon Thames KT1 2NA

  20/03216/NMA Submitted 14 Dec 2020 50 yards away

  Non Material Amendment to Planning Permission 20/00415/HOU (Erection of double storey side and rear extension, loft conversion with 3no dormer windows and addition of Juliet balcony to front elevation.) to provide partial single storey rear extension with addition of three garden facing windows and bi-folding doors to internal side elevation and addition of Velux window to rear elevation

  Refused Amendments Extension Loft or dormer +1 17 docs
  Small domestic

• Waterside 21 Portsmouth Road Kingston Upon Thames KT1 2NA

  21/02518/FUL Submitted 4 Aug 2021 50 yards away

  Application under Section 73 of the Town and Country Planning Act 1990 to carry out development without compliance with Condition 1 (Approved Plans) of Planning Permission ref: 20/00415/HOU (Erection of double storey side and rear extension, loft conversion with 3no dormer windows and addition of Juliet balcony to front elevation) dated 30/04/2020. Variation to include approved window to side elevation to be increased in height increasing the use of natural light to both Ground and first floor stair lobby

  Granted Full applications Extension Loft or dormer +1 5 docs

• 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
• 26/01744/CPU Awaiting decision

  85 Barnfield Avenue Kingston Upon Thames KT2 5RG

  Demolition of the existing rear outbuilding shed and erection of a single storey rear detached outbuilding for home office and personal gym.

  Received 10 Aug, published by the council 10 Sep 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