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Get started16 Derwendeg is a three-bedroom semi-detached house in Porthyrhyd, Carmarthen, Carmarthen (SA32 8PW). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (October 2016) shows a G (score 20), near the bottom of the EPC scale. The rating has held steady at G across 2 certificates since October 2016. The recommended improvements would lift it to C (score 76), a 4-band jump. Main heating runs on oil.
Sale prices here have outpaced England HPI: 12.3% per year against 0% for the wider region. Today's modelled estimate of £242,000 is 12.6% above the 2025 sale price. At 148 m² the property is well over the postcode median (88 m² across 9 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer was April 2025 at £215,000 — fresh data.
16 Derwendeg sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
Latest sale on 16 Derwendeg was the highest on Land Registry record across the postcode.
£242,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.3% per year over 8 years.
£215,000
Growth on file: 12.3% per year over 8 years.
Years Held for 16 Derwendeg lags the street by a wide margin.
Price per m²
£1,453
Street avg £1,772
Floor Area
148 m²
Street avg 92 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Derwen Deg — bus stop.
17 April 2025Most recent
£215,000
+144.3%over 7 years28 July 2017
£88,000
Median price across the last 5 sales in SA32 8PW: £170,000 (2025–2019).
CO₂ Emissions
16.0 t/year
Street avg 5.8 t/year
SA32 8JF
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