Tunnel Throw Cottage, Box Hill, Corsham, SN13 8ES Data via plota.co.uk

PL/2026/04635 - Householder planning permission Submitted

Proposal

Amendments to the existing garage roof to increase internal space. Data via plota.co.uk

View original council record ↗Last checked

Application progress

Received
5 Aug 2026
Decision
Expected by 30 Sept 2026

This application is under consideration - no decision has been issued yet. Plota predicts a decision around 29 Sept 2026, from Wiltshire's recent extensions. The consultation period closed on 3 Sept 2026.

Site constraints 5

Green belt: Bath and Bristol
Inappropriate development needs very special circumstances.
Green belt policy allows a short list of exceptions, such as limited extensions and replacement buildings. Anything else needs very special circumstances that clearly outweigh the harm.
Cotswolds 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.
Habitat network: Network Enhancement Zone 1
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Inside the Rudloe built-up area; the 1970s provisional farmland map 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 · No scheduled monument at the site

Checked on 11 September 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.

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Important details

Council
Wiltshire
Application type
Householder planning permission
Postcode
SN13 8ES
Received
5 Aug 2026
Validated
5 Aug 2026
Ward
Box & Colerne ED
Parish
Box CP
Case officer
Show

Decision outlook

Day 39 of the 56-day target. Wiltshire usually decides extensions by day 55.

Day 3917 days to the 56-day target
62%decided within 8 weeks
95%approved
1,201decided in the last year

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

Public comments

1comment received
1 neutral

Last counted 5 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
3 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