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Get started12 Barn Piece is a three-bedroom semi-detached house in Box, Corsham, Corsham (SN13 8LE). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (June 2017) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2011. Between certificates, hot-water efficiency went from Average to Good and main heating went from Average to Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 84), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 7.4% per year against 0% for the wider region. Today's modelled estimate of £408,000 is 29.5% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£357/sq ft) was about 48.9% above the typical sold price in the postcode. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and solar panel installation, meaningful when judging how the property has evolved. At 82 m² it's 20.6% larger than the typical home in the postcode (68 m² median across 7 EPCs). Last sold in August 2017, so it's been off the market for around 9 years.
Recommended upgrades on file would lift this property by multiple EPC bands.
12 Barn Piece has an approved front extension on the planning record.
Extension: Front of property
Double Storey Front Extension
12 Barn Piece saw 3 transfers in just over a decade — high turnover for the postcode.
£408,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.4% per year over 6 years.
£315,000
Growth on file: 7.4% per year over 6 years.
Floor Area for 12 Barn Piece runs comfortably ahead of the street norm.
Price per m²
£3,841
Street avg £3,616
Floor Area
82 m²
Street avg 70 m²
Habitable Rooms
5 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km

Daytime· 07:00 – 23:00
46.6dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
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Extensions and Installation of Solar Panels (Revisions To Planning Permission N/11/03701/FUL)
1 more application for this property
Join to see all planning history.
24 August 2017Most recent
£315,000
+45.2%over 4 years19 November 2012
£217,000
+5.9%over 1 year8 August 2011
£205,000
Median price across the last 5 sales in SN13 8LE: £235,000 (2021–2011).
Street avg 4 rooms
CO₂ Emissions
3.6 t/year
Street avg 3.1 t/year
SN13 8LE
Post Office — bus stop.
Closest school
0.4 km
Box Church of England Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
39.3dB
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