4 Robert Street, Bangor, LL57 1DD

4 Robert Street is a two-bedroom mid-terrace house in Bangor (LL57 1DD). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to before 1900 and council tax band B. Tenure is freehold. The latest certificate (November 2019) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in March 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Very Good, lighting went from Poor to Very Good and main heating went from Average to Good. The recommended improvements would lift it to B (score 84), a 2-band jump.

Held since May 2000 — that's 26 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. Today's modelled estimate of £119,000 sits 161.5% above the 2000 sale of £45,500. On a £-per-square-foot basis, the last sale (£78/sq ft) was about 31.6% below the postcode norm. At 54 m² it's 28.5% smaller than the typical home in the postcode (76 m² median across 4 EPCs).