6 Mostyn Terrace, Bethesda, Bangor, LL57 3AB

6 Mostyn Terrace is a three-bedroom end-of-terrace house in Bethesda, Bangor, Bangor (LL57 3AB). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (June 2016) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since April 2011. Between certificates, lighting dropped from Very Good to Poor. The recommended improvements would lift it to B (score 86), a 3-band jump.

Held since June 1996 — that's 30 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. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £148,000 sits 228.9% above the 1996 sale of £45,000. On a £-per-square-foot basis, the last sale (£51/sq ft) was about 56.4% below the postcode norm.