4 Stonebridge Close, Marlborough, SN8 2AE Data via plota.co.uk

PL/2026/04598 - Householder planning permission Approved

Proposal

Conversion of car port to habitable space, conversion of garage. Removal of conservatory and internal alterations. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
21 Jul 2026
✓
Approved
15 Sept 2026

Approved on 15 Sept 2026 · Last checked 20 Sept 2026

Site constraints 6

North Wessex Downs National Landscape
Great weight to conserving the landscape; major development restricted.
Previously an area of outstanding natural beauty, which is still the designation in law. Since 2023 authorities must seek to further its purpose, not merely have regard to it.
Air quality management area: Marlborough Air Quality Management Area
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
Radon affected area, class 2; 1 listed building within 150 m of the postcode pin; Inside the Marlborough built-up area; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.
Not affected
Outside flood zones 2 and 3 · Not green belt · 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, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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 £385,000 in March 2025. Semi-detached house, freehold.

21 March 2025£385,000

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

Building

Floor area123 m² (1,324 sq ft)
Energy ratingC (72 out of 100), could reach B
PropertySemi-detached house, 6 habitable rooms
Built1983 to 1990
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, insulated (assumed)

From the energy performance certificate lodged in August 2024, 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
Wiltshire
Application type
Householder planning permission
Postcode
SN8 2AE
Received
21 Jul 2026
Validated
21 Jul 2026
Ward
Marlborough East ED
Parish
Marlborough CP
Case officer
Show
Target decision
15 Sept 2026
Decision
Approve with Conditions
Decision date
15 Sept 2026

How this decision compares

Decided in 56 days from validation, about the council's usual 55 days. Approved, as 95% of extensions here are.

61%decided within 8 weeks
95%approved
1,406decided in the last year

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

Public comments

2comments received
2 neutral

Last counted 20 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
1 Sept 2026
Wiltshire
Planning Authority Score
3.9/10
Below average
#203 of 296 councils
Relevant to this application:
Householder decisions

Wiltshire is slower than most councils at deciding householder applications, ranking #225 out of 296. The council extends the time limit on 55% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are slightly more likely to be approved here (96%) than the national average (90%).

Frequently extends decision deadlines
expect longer than the statutory limit
These figures are council-wide context, not a prediction for this application. View full council performance
Wiltshire decision statistics
Based on MHCLG data, the year to March 2026
93%
Overall approval rate
Above avg (87%) #71 of 296
96%
Householder approved
Above avg (90%) #65 of 296
53%
Decided in 8 weeks
Below avg (63%) #225 of 296
55%
Extended time limit
Above avg (41%) #252 of 296
78%
Minor dwellings approved
339 decided (1-9 homes)
90%
Major dwellings approved
48 decided (10+ homes)
92%
Change of use approved
160 decided
3,659
Total decisions
256 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.