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Get started13 Coppershell is a three-bedroom detached house in Gastard, Corsham, Corsham (SN13 9PZ). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (November 2025) 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 September 2013. Between certificates, lighting went from Average to Very Good; while main heating dropped from Good to Average. The recommended improvements would push it to C (score 72). Main heating runs on oil. This certificate was lodged in the last six months, so the rating reflects current condition.
Today's modelled estimate of £604,000 sits 80.3% above the 2014 sale of £335,000. On a £-per-square-foot basis, the last sale (£210/sq ft) was about 18.5% below the postcode norm. One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 12 years ago, in July 2014.
13 Coppershell's carbon output runs well above what efficient homes in the postcode produce.
Extension: Single storey
Proposed rear & side single storey extensions to main dwelling; conversion & extension of existing garage to provide ancillary accommodation; Proposed timber garden storage building to front garden area.
13 Coppershell valuation sits well clear of the typical sold price in this postcode.
£604,000
Modelled from EPC, postcode comparables.
£335,000
Recorded with HM Land Registry.
On price per m², 13 Coppershell runs well behind the street norm.
Price per m²
£2,264
Street avg £3,570
Floor Area
148 m²
Street avg 147 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
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
11 July 2014Most recent
£335,000
Median price across the last 5 sales in SN13 9PZ: £435,000 (2024–2022).
CO₂ Emissions
6.0 t/year
Street avg 6.6 t/year
SN13 9XR
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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