Flat 1, 13 Ogwen Terrace, High Street, Bethesda, Bangor, LL57 3AY

Flat 1 is a mid-terrace house in Bethesda, Bangor, Bangor (LL57 3AY). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1900-1929 and council tax band A. At 51 m² this is the 3rd smallest of 4 units on EPC record in the building, where floor areas span 37–61 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (80 versus a worst of 54). The latest certificate (March 2020) shows a C (score 80), near the top of the C band. When first surveyed in October 2014 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, hot-water efficiency went from Poor to Good and main heating went from Average to Good.

Today's modelled estimate of £111,000 sits 344% above the 2014 sale of £25,000. On a £-per-square-foot basis, the last sale (£46/sq ft) was about 33.2% below the postcode norm. At 51 m² it sits well below the postcode median (116 m² across 18 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 89% of similar EPCs). 11 years since the last transfer (December 2014).