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Get startedCastle Court is a two-bedroom property in Marlborough (SN8 1XG). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (February 2026) shows a C (score 72). The rating has held steady at C across 2 certificates since November 2011. Between certificates, lighting went from Very Poor to Good; while window efficiency dropped from Good to Average. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 63 m² this is the 33rd 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.
It hasn't traded since July 2002, a hold of 24 years that's notably long for the area. Sale prices here have outpaced England HPI: 15.2% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£212/sq ft) was about 17% below the postcode norm.
Castle Court's carbon output is low for the local stock.
Castle Court changed hands twice within eighteen months — unusual for the area.
£158,000
Modelled from EPC, postcode comparables and a sale-price growth of 15.2% per year over 1 year.
£144,000
Growth on file: 15.2% per year over 1 year.
Everything we know about this property, compiled into one in-depth, downloadable report.
Years Held for Castle Court runs comfortably ahead of the street norm.
Price per m²
£2,286
Street avg £3,162
Floor Area
63 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

Changes detected from historical EPC data
Wall insulation upgraded
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
31 July 2002Most recent
£144,000
+15.2%over 11 months12 September 2001
£125,000
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
0.9 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