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Get started13 Castle Road is a two-bedroom mid-terrace house in Great Bedwyn, Marlborough, Marlborough (SN8 3LS). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (January 2023) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since August 2009. Between certificates, roof efficiency went from Poor to Good, hot-water efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to A (score 104), a 4-band jump. Main heating runs on electricity.
Held since March 2003 — that's 23 years off the open market, well above the local norm. Sale prices here have outpaced England HPI: 10% per year against 0% for the wider region. Today's modelled estimate of £340,000 sits 106.1% above the 2003 sale of £165,000. On a £-per-square-foot basis, the last sale (£165/sq ft) was about 25.8% below the postcode norm.
13 Castle Road's carbon output runs well above what efficient homes in the postcode produce.
13 Castle Road's estimated value is more than triple its earliest registered sale price (1998).
£340,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.0% per year over 4 years.
£165,000
Growth on file: 10.0% per year over 4 years.
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Detailed AI analysis
Price per m² for 13 Castle Road lags the street by a wide margin.
Price per m²
£1,774
Street avg £3,044
Floor Area
93 m²
Street avg 87 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
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.

Daytime· 07:00 – 23:00
43.1dB

Changes detected from historical EPC data
Hot water efficiency improved
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
28 March 2003Most recent
£165,000
+50.0%over 4 years22 December 1998
£110,000
Median price across the last 5 sales in SN8 3LS: £344,950 (2024–2021).
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CO₂ Emissions
8.2 t/year
Street avg 7.0 t/year
SN8 3TJ
Closest school
0.3 km
Great Bedwyn Church of England School. 2 schools nearby.
Night-time· 23:00 – 07:00
35.8dB