1a, May Road, Southampton, SO15 3GN

1a is a one-bedroom end-of-terrace house in Southampton (SO15 3GN). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1930-1949 and council tax band A. At 45 m² this is the smallest unit on EPC record across the building (45–103 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (September 2019) shows a C (score 70). The rating has held steady at C across 2 certificates since September 2009. Between certificates, roof efficiency went from Average to Very Good and lighting went from Good to Very Good; while window efficiency dropped from Good to Average.

Untraded for 16 years, with the last transfer in March 2010. Across the public record there are 4 sales, relatively high churn for a single property. At 45 m² it sits well below the postcode median (94 m² across 8 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). Across 1997–2010, sale prices on this property compounded at 9.8% per year. Today's modelled estimate of £135,000 is 31.1% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£213/sq ft) was about 51.8% above the typical sold price in the postcode.