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Get started4 Steam Mill Cottages is a two-bedroom end-of-terrace house in Box, Corsham, Corsham (SN13 8NY). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (September 2020) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2009. Between certificates, lighting went from Poor to Very Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 90), a 2-band jump.
Sale prices here have outpaced England HPI: 9% per year against 0% for the wider region. Today's modelled estimate of £321,000 is 42.7% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£410/sq ft) was about 15.3% above the typical sold price in the postcode. 15 years since the last transfer (September 2011). At 51 m² it's 28.4% smaller than the typical home in the postcode (71 m² median across 4 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
4 Steam Mill Cottages valuation sits well clear of the typical sold price in this postcode.
£321,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.0% per year over 6 years.
£225,000
Growth on file: 9.0% per year over 6 years.
Years Held for 4 Steam Mill Cottages runs comfortably ahead of the street norm.
Price per m²
£4,412
Street avg £5,644
Floor Area
51 m²
Street avg 72 m²
Habitable Rooms
3 rooms
Street avg 4 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
0.1 km

Daytime· 07:00 – 23:00
47.6dB

Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
9 September 2011Most recent
£225,000
+60.7%over 5 years28 February 2006
£140,000
Median price across the last 5 sales in SN13 8NY: £320,000 (2023–2013).
CO₂ Emissions
2.8 t/year
Street avg 4.7 t/year
SN13 8BY
Primary School — bus stop.
Closest school
0.1 km
Box Church of England Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
40.3dB
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