21 Chain Court, Swindon, SN1 4GW

21 Chain Court is a two-bedroom mid-terrace house in Swindon (SN1 4GW). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 2003-2006 and council tax band C. The latest certificate (September 2020) shows a C (score 77), near the top of the C band. Earlier certificates rated it B (August 2009); the latest reading is one band lower. Between certificates, hot-water efficiency dropped from Average to Poor and lighting dropped from Very Good to Good. Main heating runs on electricity. At 60 m² this is the 18th smallest of 73 units on EPC record in the building, where floor areas span 41–101 m². The building's EPC ratings span D to B across 73 units on file.

Today's modelled estimate of £146,000 is 16.6% below the 2007 sale of £174,995, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£271/sq ft) was about 27% above the typical sold price in the postcode. Untraded for 19 years, with the last transfer in June 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price.