1 Portland Flats, Portland Road, Aberystwyth, SY23 2NL

1 Portland Flats is an end-of-terrace house in Aberystwyth (SY23 2NL). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (August 2022) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2011. Between certificates, wall efficiency dropped from Poor to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 76). At 56 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 50–57 m².

It hasn't traded since March 2005, a hold of 21 years that's notably long for the area. Today's modelled estimate of £156,000 is 32.2% above the 2005 sale price. On a £-per-square-foot basis, the last sale (£196/sq ft) was about 59.1% above the typical sold price in the postcode. At 56 m² it's 15.2% smaller than the typical home in the postcode (66 m² median across 43 EPCs).