25 Ashley Park Avenue Walton-On-Thames Surrey KT12 1ER

This site has had 6 applications since 2022: 2 approved, 1 refused.

• 2026/0156 Granted

  25 Ashley Park Avenue Walton-On-Thames Surrey KT12 1ER

  Construction of new single storey rear extension and two storey side extension with integral garage, removal of two chimney stacks; alteration and rebuilding of existing pitched roof with raised eaves level and shallower roof pitch, construction of new walls at ground floor main entrance to infill space below projecting part of first floor, installation of new entrance door and fixed glazing, installation of new projecting portico at main entrance, removal of existing first floor tile hanging and installation of new external wall insulation and new render finish to existing uninsulated masonry walls, installation of new rain water and drainage goods. Conversion of loft space to add two bedrooms and one bathroom at second floor level, addition of two dormer windows to rear facing roof slope, addition of two roof lights to side facing roof slopes and addition of frameless flat roof light to crown of roof following demolition of conservatory.

  Decided 6 May 2026 Householder
• 2025/3327 Split decision

  25 Ashley Park Avenue Walton-On-Thames Surrey KT12 1ER

  EL:15/08 - T1 Oak - whole crown reduction by 3 meters, crown lift to 5 meters. Low crown heavily overhanging driveway and encroaching on house and roof as well as long overextended branches. Left side of crown over neighbouring driveway has been previously reduced leaving tree unbalanced.

  Decided 3 Feb 2026 Trees
• 2025/0658 Granted

  25 Ashley Park Avenue Walton-On-Thames Surrey KT12 1ER

  Roof extension incorporating an increase in eaves height, two-storey side extension with integral garage, single-storey rear and front extensions, front porch and alterations to fenestration and exterior finish following partial demolition of existing house and removal of chimney stack.

  Decided 15 May 2025 Householder
• 2025/0231 Withdrawn

  25 Ashley Park Avenue Walton-On-Thames Surrey KT12 1ER

  Roof extension incorporating an increase in eaves height, two-storey side extension incorporating garage, single storey rear and front extensions, front porch and alterations to fenestration and exterior finish following partial demolition of existing house and removal of chimney stack.

  Submitted 28 Jan 2025 Householder
• 2022/2909 Split decision

  25 Ashley Park Avenue Walton-On-Thames Surrey KT12 1ER

  Tree Preservation Order EL:15/08 - Crown reduce and lift lower canopy 1 x Oak (T1).

  Decided 22 Nov 2022 Trees

1. 23 Sep 2025

   Received by Elmbridge

2. 23 Dec 2025

   Decision issued: Refuse Lawful Development Certificate

3. 7 Aug 2026

   Added to PlanIndex

Elmbridge refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 25 Ashley Park Avenue Walton-On-Thames Surrey KT12 1ER

  2026/0156 Submitted 21 Jan 2026 50 yards away

  Construction of new single storey rear extension and two storey side extension with integral garage, removal of two chimney stacks; alteration and rebuilding of existing pitched roof with raised eaves level and shallower roof pitch, construction of new walls at ground floor main entrance to infill space below projecting part of first floor, installation of new entrance door and fixed glazing, installation of new projecting portico at main entrance, removal of existing first floor tile hanging and installation of new external wall insulation and new render finish to existing uninsulated masonry walls, installation of new rain water and drainage goods. Conversion of loft space to add two bedrooms and one bathroom at second floor level, addition of two dormer windows to rear facing roof slope, addition of two roof lights to side facing roof slopes and addition of frameless flat roof light to crown of roof following demolition of conservatory.

  Granted Householder Extension Loft or dormer +2 22 docs
  Small domestic

• 25 Ashley Park Avenue Walton-On-Thames Surrey KT12 1ER

  2025/0658 Submitted 12 Mar 2025 50 yards away

  Roof extension incorporating an increase in eaves height, two-storey side extension with integral garage, single-storey rear and front extensions, front porch and alterations to fenestration and exterior finish following partial demolition of existing house and removal of chimney stack.

  Granted Householder Extension Demolition +1 22 docs
  Small domestic

• 25 Ashley Park Avenue Walton-On-Thames Surrey KT12 1ER

  2022/2909 Submitted 26 Sep 2022 50 yards away

  Tree Preservation Order EL:15/08 - Crown reduce and lift lower canopy 1 x Oak (T1).

  Split decision Trees 4 docs

• 25 Ashley Park Avenue Walton-On-Thames Surrey KT12 1ER

  2025/0231 Submitted 28 Jan 2025 50 yards away

  Roof extension incorporating an increase in eaves height, two-storey side extension incorporating garage, single storey rear and front extensions, front porch and alterations to fenestration and exterior finish following partial demolition of existing house and removal of chimney stack.

  Withdrawn Householder Extension Demolition +1 16 docs
  Small domestic

• 25 Ashley Park Avenue Walton-On-Thames Surrey KT12 1ER

  2025/3327 Submitted 16 Dec 2025 50 yards away

  EL:15/08 - T1 Oak - whole crown reduction by 3 meters, crown lift to 5 meters. Low crown heavily overhanging driveway and encroaching on house and roof as well as long overextended branches. Left side of crown over neighbouring driveway has been previously reduced leaving tree unbalanced.

  Split decision Trees 5 docs

• 24 Ashley Park Avenue Walton-on-Thames Surrey KT12 1ER

  2020/2262 Submitted 7 Sep 2020 50 yards away

  Part two/part single-storey rear extension incorporating rear dormer windows, single-storey front/side extension, partial conversion of garage into living space, first-floor side extension, roof extension incorporating front dormer windows, side roof lights and alterations to fenestration and finish following removal of chimney stack. [AMENDED PLANS]

  Granted Householder Extension Loft or dormer +1 22 docs
  Small domestic

• 2026/1990 Granted

  23 Hogshill Lane Cobham Surrey KT11 2AG

  Hip-to-gable roof extension to provide rooms in the roofspace.

  Received 14 Aug, published by the council 2 Sep 2026 Lawful development
• 2026/1910 Granted

  16 Riverside Drive Esher Surrey KT10 8PG

  Conversion of garage to living space with associated internal alterations and alterations to fenestration following removal of garage door.

  Received 4 Aug, published by the council 14 Aug 2026 Lawful development
• 2026/2230 Granted

  76 Common Road Claygate Esher Surrey KT10 0HU

  Hip-to-gable roof extension with rear dormer to provide rooms in the roofspace with front rooflights.

  Received 15 Sep, published by the council 26 Sep 2026 Lawful development
• 2026/2185 Granted

  39 Angel Road Thames Ditton Surrey KT7 0AZ

  Rear dormer window and front roof lights.

  Received 9 Sep, published by the council 29 Sep 2026 Lawful development
• 2026/2113 Granted

  65 Greenwood Road Thames Ditton Surrey KT7 0DX

  Roof extension with rear dormer to provide rooms in the roofspace following removal of existing rear dormer.

  Received 1 Sep, published by the council 19 Sep 2026 Lawful development