20 Chaveywell Court, Castle Street, Calne, SN11 0DX

20 Chaveywell Court is a two-bedroom mid-terrace house in Calne (SN11 0DX). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (February 2021) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (May 2010); the latest reading is one band lower. Between certificates, main heating went from Poor to Average; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on electricity. At 51 m² this is the 19th smallest of 31 units on EPC record in the building, where floor areas span 45–95 m². The building's EPC ratings span E to C across 31 units on file.

Across 1995–2012, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £163,000 sits 123.3% above the 2012 sale of £73,000. On a £-per-square-foot basis, the last sale (£133/sq ft) was about 25.5% below the postcode norm. Last changed hands 14 years ago, in November 2012. Across the public record there are 4 sales, relatively high churn for a single property.