20 Chopin Mews, Mazurek Way, Swindon, SN25 1TS

20 Chopin Mews is a detached house in Swindon (SN25 1TS). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1996-2002 and council tax band C. At 64 m² this is the 2nd smallest of 19 units on EPC record in the building, where floor areas span 59–79 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (60 versus a best of 83). The latest certificate (November 2018) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2009. Between certificates, hot-water efficiency went from Very Poor to Average, lighting went from Poor to Very Good and main heating went from Very Poor to Poor; while window efficiency dropped from Good to Average. Main heating runs on electricity.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2005–2023, sale prices on this property compounded at 3.3% per year. On a £-per-square-foot basis, the last sale (£265/sq ft) was about 46.7% above the typical sold price in the postcode. Sold October 2023 for £182,500.