1 Robertson Close, Broxbourne, EN10 6AY

1 Robertson Close is a one-bedroom mid-terrace house in Broxbourne (EN10 6AY). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1976-1982 and council tax band C. At 44 m² this is the 11th smallest of 37 units on EPC record in the building, where floor areas span 40–116 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (June 2019) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since November 2008. Between certificates, wall efficiency went from Poor to Average; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.

It hasn't traded since March 2007, a hold of 19 years that's notably long for the area. Across the public record there are 5 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 1995–2007, sale prices on this property compounded at 10.2% per year. Today's modelled estimate of £216,000 sits 72.8% above the 2007 sale of £125,000. At 44 m² it's 17% smaller than the typical home in the postcode (53 m² median across 36 EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.