23 Aspasia Close, St Albans, AL1 5HQ

23 Aspasia Close is a two-bedroom semi-detached house in St Albans (AL1 5HQ). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1967-1975 and council tax band C. At 74 m² this is the 3rd smallest of 10 units on EPC record in the building, where floor areas span 72–100 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (63 versus a best of 76). The latest certificate (July 2018) shows a D (score 63), on the cusp of jumping into the C band.

Untraded for 17 years, with the last transfer in April 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £296,000 sits 87.3% above the 2009 sale of £158,000. On a £-per-square-foot basis, the last sale (£198/sq ft) was about 24.4% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs).