35a, Atlantic Close, Southampton, SO14 3TA

35a is a one-bedroom semi-detached house in Southampton (SO14 3TA). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1976-1982 and council tax band C. At 40 m² this is the 3rd smallest of 40 units on EPC record in the building, where floor areas span 36–124 m². The building's EPC ratings span E to B, with this unit at the bottom. Other recorded features include a balcony and notable views. The latest certificate (February 2020) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it C (October 2008); the latest reading is 2 bands lower. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on electricity.

It hasn't traded since January 2002, a hold of 24 years that's notably long for the area. At 40 m² it's 25.9% smaller than the typical home in the postcode (54 m² median across 39 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Across 1998–2002, sale prices on this property compounded at 11.4% per year. Today's modelled estimate of £189,000 sits 51.2% above the 2002 sale of £125,000. On a £-per-square-foot basis, the last sale (£290/sq ft) was about 42.4% above the typical sold price in the postcode.