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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 55 m² (around 592 sq ft), construction records dating it to 1996-2002 and council tax band C. The latest certificate (June 2022) shows a C (score 79), near the top of the C band. The rating has held steady at C across 2 certificates since April 2011. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 82). Main heating runs on electricity. At 55 m² this is the 21st 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. Other recorded features include a self-contained annexe.
Sale prices here have outpaced England HPI: 4% per year against 0% for the wider region. Last sale on file: £149,000 in December 2023.
Castle Court has more than doubled in price since the earliest registered sale in 1996.
£141,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 28 years.
£149,000
Growth on file: 4.0% per year over 28 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Habitable Rooms for Castle Court lags the street by a wide margin.
Price per m²
£2,709
Street avg £3,152
Floor Area
55 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
Floor insulation added or improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
6 December 2023Most recent
£149,000
+1.0%over 10 years18 January 2013
£147,500
4 May 2012
£148,000
+12.0%over 7 years21 March 2005
£132,125
+108.1%over 6 years30 October 1998
£63,500
+11.4%over 11 months14 November 1997
£57,000
+14.0%over 1 year8 March 1996
£50,000
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
2.5 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