Flat 12, 335 Swanwick Lane, Lower Swanwick, Southampton, SO31 7GT

Flat 12 is a two-bedroom end-of-terrace house in Lower Swanwick, Southampton, Southampton (SO31 7GT). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 2007-2011 and council tax band D. The latest certificate (March 2021) returns a B (score 81), comfortably above the UK average. When first surveyed in January 2009 the rating was C, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Average and main heating went from Poor to Average. Main heating runs on electricity. At 85 m² this is the 7th smallest of 10 units on EPC record in the building, where floor areas span 76–106 m². The building's EPC ratings span E to B, with this unit at the top. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include a balcony.

On energy efficiency it sits in the top 10% of properties in this postcode. On a £-per-square-foot basis, the last sale (£366/sq ft) was about 35.1% above the typical sold price in the postcode. Last sale on file: £335,000 in September 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.