6 Duke Street, Swansea, SA1 4HS

6 Duke Street is a two-bedroom mid-terrace house in Swansea (SA1 4HS). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (July 2026) shows a D (score 65), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73). This certificate was lodged in the last six months, so the rating reflects current condition.

Held since July 2005 — that's 21 years off the open market, well above the local norm. Today's modelled estimate of £159,000 sits 51.4% above the 2005 sale of £105,000. On a £-per-square-foot basis, the last sale (£105/sq ft) was about 35.4% above the typical sold price in the postcode. At 93 m² it sits well below the postcode median (133 m² across 4 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs).