Swan Quay, Flat 9, 25 Vespasian Road, Southampton, SO18 1DU

Swan Quay is a one-bedroom semi-detached house in Southampton (SO18 1DU). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1996-2002 and council tax band C. At 50 m² this is the 8th smallest of 20 units on EPC record in Swan Quay, where floor areas span 40–81 m². The building's EPC ratings span C to B, with this unit at the bottom. Other recorded features include a balcony. The latest certificate (March 2022) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since March 2011. Between certificates, lighting went from Good to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.

Untraded for 20 years, with the last transfer in December 2005. Across the public record there are 4 sales, relatively high churn for a single property. Across 1998–2005, sale prices on this property compounded at 9.1% per year. Today's modelled estimate of £171,000 is 28.6% above the 2005 sale price. On a £-per-square-foot basis, the last sale (£247/sq ft) was about 15.2% above the typical sold price in the postcode. At 50 m² it's 16.7% smaller than the typical home in the postcode (60 m² median across 19 EPCs).