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Get started8 Derwendeg is a three-bedroom semi-detached house in Porthyrhyd, Carmarthen, Carmarthen (SA32 8PW). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (January 2023) shows an F (score 35), near the bottom of the EPC scale. The recommended improvements would push it to E (score 53). Main heating runs on dual fuel. Other recorded features include notable views.
Sale prices here have outpaced England HPI: 6.2% per year against 0% for the wider region. Today's modelled estimate of £189,000 is 26% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£153/sq ft) was about 15.8% above the typical sold price in the postcode. One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). Sold May 2023 for £150,000.
8 Derwendeg's carbon output runs well above what efficient homes in the postcode produce.
8 Derwendeg has an approved single-storey extension on the planning record.
Extension: Single storey
Proposed ground floor extension and associated works
8 Derwendeg has more than quadrupled in price since its earliest registered sale in 1995.
£189,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 28 years.
£150,000
Growth on file: 6.2% per year over 28 years.
On epc rating, 8 Derwendeg runs well behind the street norm.
Price per m²
£1,648
Street avg £1,723
Floor Area
91 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.
3 May 2023Most recent
£150,000
+22.0%over 16 years9 August 2006
£123,000
+228.0%over 4 years24 September 2001
£37,500
+33.9%over 6 years25 August 1995
£28,000
Median price across the last 5 sales in SA32 8PW: £182,000 (2025–2019).
CO₂ Emissions
6.1 t/year
Street avg 6.9 t/year
SA32 8JU
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