Castle House, Flat 3, Castle Street, Calne, SN11 0EY

Castle House is a one-bedroom semi-detached house in Calne (SN11 0EY). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1996-2002 and council tax band A. The latest certificate (May 2022) shows a D (score 63), on the cusp of jumping into the C band. Earlier certificates rated it C (September 2008); the latest reading is one band lower. Between certificates, lighting went from Average to Good and main heating went from Poor to Average. The recommended improvements would push it to C (score 71). Main heating runs on electricity. At 48 m² this is the 2nd smallest of 14 units on EPC record in Castle House, where floor areas span 30–97 m². The building's EPC ratings span E to B across 14 units on file.

Sold December 2022 for £172,500. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2000–2022, sale prices on this property compounded at 5.2% per year. On a £-per-square-foot basis, the last sale (£334/sq ft) was about 114.4% above the typical sold price in the postcode. At 48 m² it's 25% smaller than the typical home in the postcode (64 m² median across 13 EPCs).