Planning application
Mountleigh 16 The Barton Cobham Surrey KT11 2NJ
Works: Extension Loft or dormer Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Two storey front porch extension, roof extension with rear dormer to provide rooms in the roofspace, first floor rear infill extension, single storey rear extensions, garage conversion to living space and new chimney stack with front and rear rooflights and alterations to fenestration.
As published by the council, reference 2026/2103
Application record
- Reference
- 2026/2103
- Type
- Householder Application
- Status
- Registered
- Received
- 1 Sep 2026
- Validated
- 11 Sep 2026
- Ward
- Oxshott and Stoke DAbernon Ward
- Decision by
- Officer delegated
- Postcode
- KT11 2NJ
Comment by 5 October 2026
The council is taking comments on this application until then. Comments go to Elmbridge through their own planning portal.
Site history
Applications at this address on the Elmbridge register
This site has had 7 applications since 2025: 1 approved, 3 refused.
-
2026/2104 Awaiting decision
Mountleigh 16 The Barton Cobham Surrey KT11 2NJ
Two storey front porch extension, roof extension with rear dormer to provide rooms in the roofspace, first floor side extension, first floor rear infill extension, single storey rear extension, garage conversion to living space and new chimney stack with front and rear rooflights and alterations to fenestration following partial demolition of existing dwelling.
-
2026/0367 Refused
Mountleigh 16 The Barton Cobham Surrey KT11 2NJ
Alterations and extensions to existing dwelling including partial roof extension, side and rear extensions, and associated external works.
-
2025/2700 Refused
Mountleigh 16 The Barton Cobham Surrey KT11 2NJ
Roof extension with rooms in the roofspace, two-storey front extension, part two/part single-storey side and rear extension and alterations to fenestration and exterior finish following partial demolition of existing house.
-
2025/2701 Granted
Mountleigh 16 The Barton Cobham Surrey KT11 2NJ
Detached outbuilding with basement level swimming pool.
-
2025/2521 Refused
Mountleigh 16 The Barton Cobham Surrey KT11 2NJ
Prior Approval Schedule 2, Part 1, Class AA: Additional storey to existing dwelling.
-
2025/2487 Split decision
Mountleigh 16 The Barton Cobham Surrey KT11 2NJ
Single-storey side extension and single-storey outbuilding.
Timeline
Dates from the published record
-
1 Sep 2026
Received by Elmbridge
-
11 Sep 2026
Validated
Checked as complete and ready for consideration.
-
16 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 6 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Elmbridge took a median of 62 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
23 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.
Trade members open them from here.
Open the documentsWhat happens while it is decided
This application is with Elmbridge for determination, against a statutory target of eight weeks. Over the last year Elmbridge decided householder applications in a median of 83 days. More in our guide to how long planning decisions take.
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 500 metres
-
Mountleigh 16 The Barton Cobham Surrey KT11 2NJ
80% historically approved · decision due ~6 Nov
Two storey front porch extension, roof extension with rear dormer to provide rooms in the roofspace, first floor side extension, first floor rear infill extension, single storey rear extension, garage conversion to living space and new chimney stack with front and rear rooflights and alterations to fenestration following partial demolition of existing dwelling.
Awaiting decision Householder Extension Loft or dormer +2 23 docsSmall domestic -
Mountleigh 16 The Barton Cobham Surrey KT11 2NJ
Alterations and extensions to existing dwelling including partial roof extension, side and rear extensions, and associated external works.
Refused Householder Extension 26 docsDomestic -
Mountleigh 16 The Barton Cobham Surrey KT11 2NJ
Prior Approval Schedule 2, Part 1, Class AA: Additional storey to existing dwelling.
Refused Prior approval 20 docsDomestic -
Mountleigh 16 The Barton Cobham Surrey KT11 2NJ
Single-storey side extension and single-storey outbuilding.
Split decision Lawful development Extension 20 docsSmall domestic -
Mountleigh 16 The Barton Cobham Surrey KT11 2NJ
Roof extension with rooms in the roofspace, two-storey front extension, part two/part single-storey side and rear extension and alterations to fenestration and exterior finish following partial demolition of existing house.
Refused Householder Extension Demolition +1 30 docsSmall domestic -
Mountleigh 16 The Barton Cobham Surrey KT11 2NJ
Detached outbuilding with basement level swimming pool.
Granted Householder 30 docsSmall domestic
Other householder applications
In Elmbridge
-
2026/1804 Refused
3 Esher Place Avenue Esher Surrey KT10 8PU
Single-storey double garage and associated landscaping.
-
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.
-
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.
-
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
-
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.