Duke House, Flat 12, Princes Street, Swindon, SN1 2DF

Duke House is a one-bedroom mid-terrace house in Swindon (SN1 2DF). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1996-2002 and council tax band B. Tenure is freehold. The latest certificate (June 2019) returns a B (score 81), comfortably above the UK average. The rating has held steady at B across 2 certificates since June 2009. Between certificates, lighting went from Good to Very Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Poor. Main heating runs on electricity. At 52 m² this is the 14th smallest of 20 units on EPC record in Duke House, where floor areas span 37–75 m². The building's EPC ratings span D to B, with this unit at the top.

Today's modelled estimate of £120,000 sits 433.3% above the 2015 sale of £22,500. On a £-per-square-foot basis, the last sale (£40/sq ft) was about 73.5% below the postcode norm. Its energy rating outperforms most of the postcode (better than 89% of similar EPCs). Last sold in September 2015, so it's been off the market for around 11 years.