41a, Latchingdon Road, Cold Norton, Chelmsford, CM3 6JG

41a is a four-bedroom semi-detached house in Cold Norton, Chelmsford, Chelmsford (CM3 6JG). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (October 2014) shows an F (score 32), near the bottom of the EPC scale. The recommended improvements would lift it to B (score 84), a 4-band jump. Main heating runs on electricity. The latest certificate is from October 2014, so improvements made since then won't be reflected.

Held since July 1997 — that's 29 years off the open market, well above the local norm. 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 £424,000 sits 454.2% above the 1997 sale of £76,500. On a £-per-square-foot basis, the last sale (£66/sq ft) was about 75.4% below the postcode norm. At 108 m² it's 27% smaller than the typical home in the postcode (148 m² median across 39 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs).