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Get startedCastle Court is a one-bedroom end-of-terrace house in Marlborough (SN8 1XG). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (May 2023) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since January 2012. Between certificates, window efficiency went from Average to Good and lighting went from Poor to Very Good. Main heating runs on electricity. At 51 m² this is the 18th 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: 1.2% per year against 0% for the wider region. Most recent transfer was December 2024 at £150,000 — fresh data.
Castle Court's sale-price growth has lagged the wider UK trajectory across its history on file.
£146,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.2% per year over 12 years.
£150,000
Growth on file: 1.2% per year over 12 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Years Held for Castle Court lags the street by a wide margin.
Price per m²
£2,941
Street avg £3,146
Floor Area
51 m²
Street avg 57 m²
Habitable Rooms
2 rooms
Street avg 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

Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
12 December 2024Most recent
£150,000
+14.5%over 11 years1 March 2013
£131,000
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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CO₂ Emissions
2.6 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