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About 20 Castle Road
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
20 Castle Road is a mid-terrace house in Great Bedwyn, Marlborough, Marlborough (SN8 3LS). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (January 2026) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it B (May 2015); the latest reading is 2 bands lower. Between certificates, hot-water efficiency went from Poor to Average; while window efficiency dropped from Average to Poor and lighting dropped from Very Good to Average. The recommended improvements would push it to C (score 73). Main heating runs on oil. This certificate was lodged in the last six months, so the rating reflects current condition.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
The EPC has just been inspected, so the rating reflects current condition.
Current Certificate(1 of 2)
Jan 2026
EPC Rating
A
B
C
D
D68
E
F
G
Main Heating
Gas
Main Fuel
Oil
Hot Water
Average
Windows
Poor
CO2 Emissions
4.8 t/year
Occupancy
Owner Occupied
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
20 Castle Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
Current estimate
See how we calculated this£228,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
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The complete analysis of 20 Castle Road, Great Bedwyn, Marlborough, SN8 3LS
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
Versus other Castle Road homes
Four headline reads against 32 similar houses on this street, drawn from the latest EPC and Land Registry data.
EPC Rating for 20 Castle Road runs comfortably ahead of the street norm.
EPC Rating
68 (D)
Street avg 57 (D)
Floor Area
88 m²
Street avg 87 m²
CO₂ Emissions
4.8 t/year
Street avg 7.1 t/year
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Marlborough district page.
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Castle Road — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SN8 3LS from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
43.1dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 18 points of interest in total.
Common questions
The questions buyers, sellers and homeowners most often ask about 20 Castle Road, Great Bedwyn, Marlborough, SN8 3LS. Each answer is also embedded as structured data for search engines.