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

11 Avebury House is a two-bedroom semi-detached house in Westlea, Swindon, Swindon (SN5 7FS). It has a recorded floor area of 48 m² (around 517 sq ft) and council tax band B. At 48 m² this is the 7th 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.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2016–2021, sale prices on this property compounded at 1.2% per year. On a £-per-square-foot basis, the last sale (£290/sq ft) was about 28.1% above the typical sold price in the postcode. Last sale on file: £150,000 in December 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.