3 Ardley Crescent, Hatfield Heath, Bishop's Stortford, CM22 7AH

3 Ardley Crescent is a one-bedroom end-of-terrace house in Bishop's Stortford (CM22 7AH). It has a recorded floor area of 40 m² (around 434 sq ft), construction records dating it to 2003-2006 and council tax band B. At 40 m² this is the smallest unit on EPC record across the building (40–145 m²). The building's EPC ratings span E to B, with this unit at the top. On EPC score it ranks first in the building (83 versus a worst of 52). The latest certificate (February 2009) returns a B (score 83), comfortably above the UK average. The latest certificate is from February 2009, so improvements made since then won't be reflected.

At 40 m² it sits well below the postcode median (84 m² across 13 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode. Across 2005–2017, sale prices on this property compounded at 4.6% per year. Today's modelled estimate of £180,000 is 21.6% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£341/sq ft) was about 39.5% above the typical sold price in the postcode. Last sold in January 2017, so it's been off the market for around 9 years.