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Get startedCastle Court is a one-bedroom mid-terrace house in Marlborough (SN8 1XG). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (March 2018) returns a B (score 83), comfortably above the UK average. The rating has held steady at B across 2 certificates since April 2009. Between certificates, main heating went from Poor to Average; while lighting dropped from Average to Very Poor. Main heating runs on electricity. At 43 m² this is the 3rd 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, with this unit at the top.
Sale prices here have outpaced England HPI: 0.5% per year against 0% for the wider region. Most recent transfer was December 2024 at £125,000 — fresh data. Across the public record there are 5 sales, relatively high churn for a single property. At 43 m² it's 24.6% smaller than the typical home in the postcode (57 m² median across 42 EPCs). Its energy rating outperforms most of the postcode (better than 79% of similar EPCs).
Castle Court's carbon output is low for the local stock.
Castle Court has changed hands more often than typical for the area.
£127,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.5% per year over 22 years.
£125,000
Growth on file: 0.5% per year over 22 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Castle Court outperforms the street on epc rating by a wide margin.
Price per m²
£2,907
Street avg £3,147
Floor Area
43 m²
Street avg 58 m²
Habitable Rooms
2 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

13 December 2024Most recent
£125,000
-8.8%over 5 years19 July 2019
£137,000
-2.1%over 5 years22 November 2013
£140,000
-5.4%over 4 years30 October 2009
£148,000
+32.1%over 6 years21 March 2003
£112,000
Median price across the last 5 sales in SN8 1XG: £135,000 (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 45 River Park Marlborough
Sold Dec 2024
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Street avg 3 rooms
CO₂ Emissions
1.5 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