52 Sunbury Lane Walton-On-Thames Surrey KT12 2HU Data via plota.co.uk

2026/2232 - Lawful Development Cert - Proposed Registered

Proposal

Rear dormer to provide rooms in the roofspace. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
14 Sept 2026
✓
Validated
22 Sept 2026
Decision
Expected by 17 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 17 Nov 2026, from Elmbridge's recent extensions.

Site constraints 2

In flood zones plus climate change
Inside the extent flood zones 2 and 3 could reach with climate change: the Central allowance for the 2080s on rivers, the Upper End allowance for sea level rise to 2125. From rivers. Defences are not counted.
The Environment Agency flood map for planning. Councils use it to decide when a flood risk assessment and the sequential test are needed. It is indicative and does not show whether a particular property will flood.
Flood map ↗
Also on the record
Inside the Walton-on-Thames built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Sales history 4

Last sold for £358,000 in October 2014. Semi-detached house, freehold.

1 October 2014£358,000
11 June 2004£210,000
14 August 2000£155,950
15 December 1997£95,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area77 m² (829 sq ft)
Energy ratingE (47 out of 100), could reach B
PropertySemi-detached house, 4 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in June 2015, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
Elmbridge
Application type
Lawful Development Cert - Proposed
Postcode
KT12 2HU
Received
14 Sept 2026
Validated
22 Sept 2026
Ward
Walton North Ward

Decision outlook

Day 17 of the 56-day target. Elmbridge usually decides extensions by day 56.

Day 1739 days to the 56-day target
59%decided within 8 weeks
79%approved
944decided in the last year

Plota live figures for extensions decided by Elmbridge in the last twelve months, from validation. Elmbridge decision record →

Elmbridge
Planning Authority Score
2.6/10
Poor
#247 of 296 councils
Relevant to this application:
Householder decisions

Elmbridge ranks #195 out of 296 councils for householder decision speed. Elmbridge is also one of the strictest councils - it refuses more householder applications than almost any other, with only 79% approved vs 90% nationally.

One of the strictest councils
only 79% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Elmbridge decision statistics
Based on MHCLG data, the year to March 2026
77%
Overall approval rate
Below avg (87%) #277 of 296
79%
Householder approved
Below avg (90%) #281 of 296
57%
Decided in 8 weeks
Below avg (63%) #195 of 296
44%
Extended time limit
Above avg (41%) #178 of 296
68%
Minor dwellings approved
195 decided (1-9 homes)
60%
Major dwellings approved
15 decided (10+ homes)
72%
Change of use approved
32 decided
1,358
Total decisions
314 refused in the year to March 2026

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.