Castle House, Flat 12, Castle Street, Calne, SN11 0EY

Castle House is a one-bedroom end-of-terrace house in Calne (SN11 0EY). It has a recorded floor area of 30 m² (around 323 sq ft), construction records dating it to 1983-1990 and council tax band A. Tenure is freehold. At 30 m² this is the smallest unit on EPC record across Castle House (30–97 m²). The building's EPC ratings span E to B across 14 units on file. Our model identifies extension potential, subject to local planning policy. The latest certificate (September 2022) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since June 2012. Between certificates, hot-water efficiency dropped from Poor to Very Poor. Main heating runs on electricity.

It hasn't traded since July 2000, a hold of 26 years that's notably long for the area. 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 £121,000 sits 210.3% above the 2000 sale of £39,000. On a £-per-square-foot basis, the last sale (£121/sq ft) was about 24.8% below the postcode norm. At 30 m² it sits well below the postcode median (64 m² across 13 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 77% of similar EPCs).