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Get startedGlynwalis Mansion is a detached house in Alltwalis, Carmarthen, Carmarthen (SA32 7EA). It has a recorded floor area of 501 m² (around 5393 sq ft) and construction records dating it to before 1900. The latest certificate (May 2016) shows a G (score 8), near the bottom of the EPC scale. The rating has held steady at G across 2 certificates since August 2014. Between certificates, lighting went from Poor to Average; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to D (score 66), a 3-band jump. Main heating runs on lpg. The latest certificate is from May 2016, so improvements made since then won't be reflected.
Glynwalis Mansion's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 09 May 2026
Glynwalis Mansion has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£784,000
Modelled from EPC, postcode comparables.
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.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
Alltwalis Primary School — bus stop.
Changes detected from historical EPC data
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in SA32 7EA: £200,000 (2025–2004).