18 Days Close, Hatfield, AL10 0SD

18 Days Close is a mid-terrace house in Hatfield (AL10 0SD). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (March 2021) shows a C (score 71). When first surveyed in July 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Average to Very Good and window efficiency went from Average to Good. The recommended improvements would push it to B (score 84).

Held since November 2009 — that's 17 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1996–2009, sale prices on this property compounded at 9.2% per year. Today's modelled estimate of £327,000 sits 76.8% above the 2009 sale of £185,000. At 73 m² it's 22.3% smaller than the typical home in the postcode (94 m² median across 13 EPCs).