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

17 Avebury House is a one-bedroom semi-detached house in Westlea, Swindon, Swindon (SN5 7FS). It has a recorded floor area of 34 m² (around 366 sq ft), construction records dating it to 2012-2021 and council tax band A. At 34 m² this is the smallest unit on EPC record across the building (34–66 m²). The building's EPC ratings span E to C across 21 units on file. The home occupies a cul-de-sac position. The latest certificate (January 2026) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since November 2015. Between certificates, roof efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on electricity.

At 34 m² it sits well below the postcode median (55 m² across 20 EPCs), making it one of the more compact homes locally. On the market in February 2016 and unlisted since — roughly 10 years. Today's modelled estimate of £122,000 is 28.5% above the 2016 sale price.