Planning application
2026/0126
31 Thrupps Lane Hersham Walton-On-Thames Surrey KT12 4LX
Proposal
Rear dormer window, front rooflights and removal of chimney stack to provide rooms in the roofspace.
As published by the council, reference 2026/0126
Timeline
Dates from the published record
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19 Jan 2026
Received by Elmbridge
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16 Mar 2026
Decision issued: Grant Lawful Development Cert - Proposed
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30 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
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2026/0167 Granted
Land southwest of 20 Dukes Road Hersham Walton-On-Thames Surrey KT12 4LS
Variation of Condition: 2 (Approved Plans) of planning permission 2024/0128 (Detached two-storey house and bin store with associated parking) to add a front porch, to alter sizing and positioning of windows and doors, add a first-floor rear window, increase ridge height, roof overhang and removal of first-floor rear window.
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2024/1461 Granted
42 Thrupps Lane Hersham Walton-On-Thames Surrey KT12 4LY
Detached single-storey garage and front porch.
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2026/0234 Granted
26 Thrupps Avenue Hersham Walton-On-Thames Surrey KT12 4NA
Retrospective application for replacement single-storey detached garage following demolition of existing detached garage.
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2024/1503 Granted
2 Thrupps Avenue Hersham Walton-On-Thames Surrey KT12 4NA
Part two/part single-storey side/rear extension and alterations to fenestration following partial demolition of existing house.
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2024/2288 Granted
9 Thrupps Avenue Hersham Walton-On-Thames Surrey KT12 4NA
Part two/part single-storey rear extension and alterations to fenestration following demolition of existing conservatory.
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2024/1715 Granted
45 Havers Avenue Hersham Walton-On-Thames Surrey KT12 4NE
Conversion of garage into living space and alterations to fenestration.
Other lawful development applications
In Elmbridge
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2026/1362 Refused
14A Monks Avenue West Molesey Surrey KT8 2HD
Hip-to-gable roof extension incorporating rooflights to front and dormer to rear and installation of solar panels on dormer flat roof.
-
2026/1423 Granted
62 West Grove Hersham Walton-On-Thames Surrey KT12 5PB
Hip-to-gable roof extension incorporating rear dormer window and alterations to fenestration.
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2026/1704 Granted
39 Kelvinbrook West Molesey Surrey KT8 1RU
Single storey rear extension, rear dormer and alterations to front rooflights.
-
2026/1462 Granted
Happy Fish 10 Lindley Road Walton-On-Thames Surrey KT12 3EZ
Single storey rear extension following demolition of existing conservatory.
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2026/1398 Refused
21 Manor Walk Weybridge Surrey KT13 8SD
Single storey side extension following demolition of existing detached shed.