Castle House, Flat 7, Castle Street, Calne, SN11 0EY

Castle House is a two-bedroom end-of-terrace house in Calne (SN11 0EY). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (February 2021) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 2 certificates since April 2011. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Average and lighting went from Very Poor to Average; while hot-water efficiency dropped from Average to Poor and main heating dropped from Poor to Very Poor. The recommended improvements would push it to C (score 79). Main heating runs on electricity. At 73 m² this is the 11th 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 August 2021 for £215,000. Across the public record there are 5 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 2000–2021, sale prices on this property compounded at 3.6% per year. On a £-per-square-foot basis, the last sale (£274/sq ft) was about 76.9% above the typical sold price in the postcode.