1 Castle Mews, St Thomas Street, Oxford, OX1 1JR

1 Castle Mews is a two-bedroom mid-terrace house in Oxford (OX1 1JR). It has a recorded floor area of 66 m² (around 710 sq ft) and construction records dating it to 1996-2002. At 66 m² this is the largest unit on EPC record across 1 Castle Mews (57–66 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (72 versus a worst of 66). The latest certificate (December 2019) shows a C (score 72). When first surveyed in December 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good and main heating went from Poor to Average; while hot-water efficiency dropped from Average to Very Poor. Main heating runs on electricity.

Untraded for 29 years, with the last transfer in April 1997. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £404,000 sits 251.3% above the 1997 sale of £115,000. On a £-per-square-foot basis, the last sale (£162/sq ft) was about 62.2% below the postcode norm.