18 Avebury House, Bentham Close, Westlea, Swindon, SN5 7FS

18 Avebury House is a one-bedroom semi-detached house in Westlea, Swindon, Swindon (SN5 7FS). It has a recorded floor area of 42 m² (around 452 sq ft) and council tax band A. At 42 m² this is the 4th smallest of 21 units on EPC record in the building, where floor areas span 34–66 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (54 versus a best of 79). The latest certificate (November 2015) shows an E (score 54), well below the UK norm with real room to improve. Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from November 2015, so improvements made since then won't be reflected.

At 42 m² it's 22.9% smaller than the typical home in the postcode (55 m² median across 20 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £137,000 is 10.5% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£274/sq ft) was about 20.6% above the typical sold price in the postcode. 10 years since the last transfer (February 2016).