Harley House, The Heath, Hatfield Heath, Bishop's Stortford, CM22 7AB

Harley House is a detached house in Bishop's Stortford (CM22 7AB). It has a recorded floor area of 115 m² (around 1242 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (October 2008) shows an E (score 39), well below the UK norm with real room to improve. The latest certificate is from October 2008, so improvements made since then won't be reflected.

Untraded for 17 years, with the last transfer in January 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. 5 planning records sit against the property, 3 approved, 2 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. At 115 m² it's 24% larger than the typical home in the postcode (93 m² median across 8 EPCs). Across 2004–2009, sale prices on this property compounded at 4.9% per year. Today's modelled estimate of £854,000 is 35.1% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£509/sq ft) was about 37% above the typical sold price in the postcode.