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Get started12 Coppershell is a three-bedroom end-of-terrace house in Gastard, Corsham, Corsham (SN13 9PZ). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (September 2021) shows a D (score 56), a step below the typical UK home. When first surveyed in March 2015 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Poor to Average and main heating went from Poor to Average; while roof efficiency dropped from Good to Average. The recommended improvements would push it to C (score 80). Main heating runs on oil. Other recorded features include notable views and a basement.
Sale prices here have outpaced England HPI: 6.3% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£349/sq ft) was about 35.4% above the typical sold price in the postcode. One planning record on file: a loft conversion approved in 2016. Past consents include a loft conversion, meaningful when judging how the property has evolved. At 105 m² it's 21.1% smaller than the typical home in the postcode (133 m² median across 23 EPCs). Most recent transfer: December 2022 at £395,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
12 Coppershell's carbon output runs well above what efficient homes in the postcode produce.
Certificate of lawfulness for proposed loft conversion with rear dormer
12 Coppershell has more than quadrupled in price since its earliest registered sale in 1997.
£432,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 25 years.
£395,000
Growth on file: 6.3% per year over 25 years.
On years held, 12 Coppershell runs well behind the street norm.
Price per m²
£3,762
Street avg £3,487
Floor Area
105 m²
Street avg 149 m²
Habitable Rooms
6 rooms
Street avg 6 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
0.2 km

Daytime· 07:00 – 23:00
43.9dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Windows upgraded, improving insulation
Are we missing something? Tell us about home improvements to help adjust your valuation.
13 December 2022Most recent
£395,000
+75.6%over 16 years28 July 2006
£225,000
+167.9%over 8 years11 August 1997
£84,000
Median price across the last 5 sales in SN13 9PZ: £500,000 (2024–2021).
CO₂ Emissions
6.0 t/year
Street avg 6.6 t/year
SN13 9AU
Harp and Crown — bus stop.
Closest school
1.7 km
Corsham Primary School. 6 schools nearby.
Night-time· 23:00 – 07:00
37.0dB
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