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Planning application

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

Granted Elmbridge 2026/0156 Householder Application

Works: Extension Loft or dormer Demolition Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

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.

As published by the council, reference 2026/0156

Application record

Reference
2026/0156
Type
Householder Application
Status
Final Decision
Decision
Granted As published: Grant Planning Permission
Received
21 Jan 2026
Validated
2 Feb 2026
Decided
6 May 2026
Ward
Walton Central Ward
Decision by
Officer delegated
Postcode
KT12 1ER

Site history

Applications at this address on the Elmbridge register

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

  • 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
  • 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

Timeline

Dates from the published record

  1. 21 Jan 2026

    Received by Elmbridge

  2. 2 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 6 May 2026

    Decision issued: Grant Planning Permission

  4. 30 Jul 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

22 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Elmbridge granted permission on 6 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.

About householder applications

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.

Nearby applications

Within 0.3 miles

  • 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

    2025/2444 Submitted 23 Sep 2025 50 yards 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 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

In Elmbridge

  • 2026/1934 Granted

    31 Common Road Claygate Esher Surrey KT10 0HG

    Single storey rear extension with alterations to fenestration.

    Received 7 Aug, published by the council 21 Aug 2026 Householder
  • 2026/1131 Granted

    9 Riverside Drive Esher Surrey KT10 8PG

    Part two-storey front extension, new front porch, two-storey rear extension and alterations to fenestration.

    Received 12 May, published by the council 30 Jul 2026 Householder
  • 2026/1856 Granted

    119 Silverdale Avenue Walton-On-Thames Surrey KT12 1EQ

    Two storey side/rear extension, alteration of the single storey rear extension roof, single storey rear outbuilding, side and rear canopy structures to accommodate outdoor kitchen, retention of the existing vehicular access with proposed replacement entrance gates with associated driveway and landscaping works to the front and rear including land level alterations and alterations to fenestration including metal gates and materiality following demolition of existing detached shed structure.

    Received 30 Jul, published by the council 21 Aug 2026 Householder
  • 2026/1442 Granted

    4 Cedar Close East Molesey Surrey KT8 9HR

    Side dormer window, first floor rear and side extension, single storey side extension, detached garage to rear garden following removal of existing prefabricated detached garage, side rooflights and alterations to fenestration.

    Received 15 Jun, published by the council 30 Jul 2026 Householder
  • 2026/1833 Granted

    5A Sassoons Cottages Cottimore Crescent Walton-On-Thames Surrey KT12 2DA

    Single-storey rear infill extension below existing structure and alterations to fenestration.

    Received 28 Jul, published by the council 14 Aug 2026 Householder