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Get startedCastle Court is a two-bedroom end-of-terrace house in Marlborough (SN8 1XG). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (March 2024) shows a C (score 70). The rating has held steady at C across 2 certificates since March 2012. Between certificates, hot-water efficiency dropped from Average to Poor. Main heating runs on electricity. At 58 m² this is the 25th smallest of 43 units on EPC record in Castle Court, where floor areas span 40–93 m². The building's EPC ratings span F to B across 43 units on file.
Sale prices here have outpaced England HPI: 3.4% per year against 0% for the wider region. Today's modelled estimate of £198,000 is 17.5% below the 2024 sale of £240,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£384/sq ft) was about 50.8% above the typical sold price in the postcode. Sold August 2024 for £240,000. Across the public record there are 6 sales, relatively high churn for a single property. One planning record on file: new windows approved in 2006. Past consents include new windows, meaningful when judging how the property has evolved.
Installation of french window to replace ordinary window.
Sale price has at least doubled since 2000.
£198,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.4% per year over 25 years.
£240,000
Growth on file: 3.4% per year over 25 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Price per m² for Castle Court runs comfortably ahead of the street norm.
Price per m²
£4,138
Street avg £3,117
Floor Area
58 m²
Street avg 57 m²
Habitable Rooms
3 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
48.6dB

6 August 2024Most recent
£240,000
+9.1%over 7 years30 May 2017
£220,000
+10.0%over 2 years24 October 2014
£200,000
+8.1%over 2 years11 June 2012
£185,000
+15.6%over 6 years1 June 2006
£160,000
+52.4%over 6 years28 January 2000
£105,000
Median price across the last 5 sales in SN8 1XG: £125,000 (2025–2024).
Castle Court Flat 14 River Park Marlborough
Sold Nov 2025
Castle Court Flat 28 River Park Marlborough
Sold Jul 2025
Castle Court Flat 17 River Park Marlborough
Sold Jun 2025
Castle Court Flat 41 River Park Marlborough
Sold Mar 2025
Castle Court Flat 29 River Park Marlborough
Sold Dec 2024
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Street avg 3 rooms
CO₂ Emissions
3.5 t/year
Street avg 2.7 t/year
SN8 1XG
Ducks Meadow — bus stop.
Closest school
0.3 km
Marlborough St Mary's CE Primary School. 3 schools nearby.
Flood risk
Low
From the Environment Agency.
Night-time· 23:00 – 07:00
41.0dB