103A Ashley Road Walton-On-Thames Surrey KT12 1HL Data via plota.co.uk

2026/1054 - Lawful Development Cert - Proposed Approved

Proposal

Hip-to-gable roof extension with rear dormer to provide rooms in the roofspace and single storey rear extension. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
5 May 2026
✓
Approved
20 May 2026

Approved on 20 May 2026 · Last checked 24 Sept 2026

Site constraints 2

Priority habitat: Deciduous woodland
A habitat of principal importance. It shapes the ecology work and the biodiversity net gain a scheme has to show.
Also on the record
Green belt about 29 m away: London.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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 1

Last sold for £600,000 in January 2026. Semi-detached house, freehold.

21 January 2026£600,000Recorded as a transfer outside a standard sale

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

Building

Floor area79 m² (850 sq ft)
Energy ratingB (86 out of 100), could reach A
PropertySemi-detached house
Built2025
HeatingAir source heat pump, radiators and underfloor, electric
WallsAverage thermal transmittance 0.18 W/m²K

From the energy performance certificate lodged in November 2025, 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 1HL
Received
5 May 2026
Validated
5 May 2026
Ward
Walton South Ward
Decision
Grant Lawful Development Cert - Proposed
Decision date
20 May 2026
Freehold owner
Show

How this decision compares

Decided in 15 days from validation, 41 days faster than Elmbridge's median of 56 for extensions. Approved, as 79% of extensions here are.

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.

Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.