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Get startedCastle Court is a mid-terrace house in Marlborough (SN8 1XG). It has a recorded floor area of 90 m² (around 969 sq ft) and construction records dating it to 1996-2002. The latest certificate (May 2019) returns a high B (score 85), putting the home a stone's throw from an A rating. Main heating runs on electricity. At 90 m² this is the 42nd 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.
Today's modelled estimate of £245,000 is 19.7% below the 2008 sale of £305,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£315/sq ft) was about 23.4% above the typical sold price in the postcode. It hasn't traded since September 2008, a hold of 18 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 90 m² the property is well over the postcode median (56 m² across 42 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs).
Latest sale on Castle Court was the highest on Land Registry record across the postcode.
£245,000
Modelled from EPC, postcode comparables.
£305,000
Recorded with HM Land Registry.
Everything we know about this property, compiled into one in-depth, downloadable report.
EPC Rating for Castle Court runs comfortably ahead of the street norm.
Price per m²
£3,389
Street avg £3,135
Floor Area
90 m²
Street avg 56 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
48.6dB

24 September 2008Most recent
£305,000
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
2.3 t/year
Street avg 2.7 t/year
SN8 1JE
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