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
• 2025/2444 Refused

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

  Rear dormer windows to provide rooms in the roofspace and side rooflights.

  Decided 23 Dec 2025 Lawful development
• 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
• 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. 28 Jan 2025

   Received by Elmbridge

2. 30 Jul 2026

   Added to PlanIndex

The applicant withdrew this application before Elmbridge decided it, and is free to submit a revised scheme at any time. 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.

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

  2026/0156 Submitted 21 Jan 2026 0m 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 0m 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

  2025/2444 Submitted 23 Sep 2025 0m away

  Rear dormer windows to provide rooms in the roofspace and side rooflights.

  Refused Lawful development Loft or dormer Windows or glazing 16 docs

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

  2022/2909 Submitted 26 Sep 2022 0m 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

  2025/3327 Submitted 16 Dec 2025 0m 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

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

  2022/1642 Submitted 24 May 2022 35m away

  Single-storey rear extension following demolition of existing conservatory, partial conversion of garage into living space and alterations to fenestration.

  Granted Householder Extension Demolition +1 7 docs
  Small domestic

• 2026/1804 Refused

  3 Esher Place Avenue Esher Surrey KT10 8PU

  Single-storey double garage and associated landscaping.

  23 Jul 2026 Householder
• 2026/1760 Granted

  18 Sidney Road Walton-On-Thames Surrey KT12 2NA

  Single storey rear extension, single storey side extension, garage conversion to living space including replacement front garage door with window alongside external insultation to the existing side extension, alterations to the fenestration following demolition of existing rear conservatory and removal of chimney stack.

  20 Jul 2026 Householder
• 2026/1431 Granted

  82 Grove Way Esher Surrey KT10 8HW

  Part two/part single storey rear/side/front extension including roof extension and alterations to fenestration following demolition of existing part two/part single storey side extension, single storey rear extension and garage.

  15 Jun 2026 Householder
• 2026/0937 Granted

  Mulberry House 1 Oxshott Rise Cobham Surrey KT11 2RW

  Single storey ancillary outbuilding (gym, garden room, games room, w/c) and integral garage with associated plant room, separate vehicular entrance gate and access serving western part of site from Mizen Way to improve access to new outbuilding, replacement gates and pillars and associated landscaping works

  22 Apr 2026 Householder
• 2026/1410 Granted

  Stella Maris Godolphin Road Weybridge Surrey KT13 0PT

  Roof extension to provide rooms in the roofspace including rear dormers, front rooflights, solar panels to the roof and alterations to fenestration.

  12 Jun 2026 Householder