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Get started14 Derwendeg is a semi-detached house in Porthyrhyd, Carmarthen, Carmarthen (SA32 8PW). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (November 2018) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on oil.
Sale prices here have outpaced England HPI: 6.9% per year against 0% for the wider region. Today's modelled estimate of £200,000 is 17.6% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£182/sq ft) was about 42.3% above the typical sold price in the postcode. A recent sale: £170,000 in February 2025.
Recommended upgrades on file would lift this property by multiple EPC bands.
Price for 14 Derwendeg has grown more than fourfold since the 1995 starting point.
£200,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 30 years.
£170,000
Growth on file: 6.9% per year over 30 years.
Habitable Rooms for 14 Derwendeg lags the street by a wide margin.
Price per m²
£1,954
Street avg £1,647
Floor Area
87 m²
Street avg 99 m²
Habitable Rooms
4 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.
14 February 2025Most recent
£170,000
-15.0%over 9 months3 May 2024
£200,000
+90.5%over 4 years18 June 2019
£105,000
+355.7%over 24 years1 May 1995
£23,040
Median price across the last 5 sales in SA32 8PW: £150,000 (2025–2011).
CO₂ Emissions
5.8 t/year
Street avg 6.9 t/year
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