3 Cowslips, Welwyn Garden City, AL7 2JJ

3 Cowslips is a one-bedroom end-of-terrace house in Welwyn Garden City (AL7 2JJ). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (July 2013) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to A (score 94), a 3-band jump. Main heating runs on electricity. The latest certificate is from July 2013, so improvements made since then won't be reflected.

Held since August 1998 — that's 28 years off the open market, well above the local norm. Sale prices here have outpaced England HPI: 7.4% per year against 0% for the wider region. Today's modelled estimate of £219,000 sits 329.4% above the 1998 sale of £51,000. On a £-per-square-foot basis, the last sale (£132/sq ft) was about 43.9% below the postcode norm. At 36 m² it's 20% smaller than the typical home in the postcode (45 m² median across 12 EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count.