3 Caswell Street, Llanelli, SA15 1BS

3 Caswell Street is a semi-detached house in Llanelli (SA15 1BS). It has a recorded floor area of 139 m² (around 1496 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (January 2017) shows an E (score 46), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since February 2014. Between certificates, lighting went from Very Poor to Very Good; while roof efficiency dropped from Poor to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 69), a 2-band jump.

Held since April 1999 — that's 27 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 139 m² the property is well over the postcode median (105 m² across 21 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £195,000 sits 267.9% above the 1999 sale of £53,000. On a £-per-square-foot basis, the last sale (£35/sq ft) was about 57.9% below the postcode norm.