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Get started11 Castle Street is a semi-detached house in Aldbourne, Marlborough, Marlborough (SN8 2DA). It has a recorded floor area of 66 m² (around 712 sq ft) and construction records dating it to before 1900. The latest certificate (October 2008) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since October 2008. Between certificates, roof efficiency went from Average to Good. The latest certificate is from October 2008, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 2.8% per year against 0% for the wider region. Today's modelled estimate of £363,000 is 25.2% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£407/sq ft) was about 143.5% above the typical sold price in the postcode. At 66 m² it sits well below the postcode median (141 m² across 14 EPCs), making it one of the more compact homes locally. Sold December 2019 for £290,000. One historical planning record sits against the property in 2020.
11 Castle Street's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 08 Oct 2018
Remove small Cypress
£363,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.8% per year over 18 years.
£290,000
Growth on file: 2.8% per year over 18 years.
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On floor area, 11 Castle Street runs well behind the street norm.
Price per m²
£4,382
Street avg £2,226
Floor Area
66 m²
Street avg 149 m²
Habitable Rooms
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
0.2 km

Daytime· 07:00 – 23:00
46.6dB

Changes detected from historical EPC data
Roof insulation improved
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12 December 2019Most recent
£290,000
+62.0%over 17 years15 May 2002
£179,000
Median price across the last 5 sales in SN8 2DA: £425,000 (2022–2019).
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Street avg 6 rooms
CO₂ Emissions
4.7 t/year
Street avg 6.2 t/year
SN8 2DJ
The Pond — bus stop.
Closest school
0.2 km
St Michael's CofE Aided Primary. 1 school nearby.
Night-time· 23:00 – 07:00
38.6dB