4 Fen Lane, Ashwicken, King's Lynn, PE32 1LR

4 Fen Lane is a three-bedroom detached house in King's Lynn (PE32 1LR). It has a recorded floor area of 213 m² (around 2293 sq ft), construction records dating it to 2007 onwards and council tax band E. The latest certificate (November 2013) shows a C (score 74). When first surveyed in February 2009 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Very Poor to Good and hot-water efficiency went from Very Poor to Poor. The recommended improvements would push it to B (score 81). Main heating runs on electricity. The latest certificate is from November 2013, so improvements made since then won't be reflected. Other recorded features include a conservatory.

Held since November 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 213 m² the property is well over the postcode median (125 m² across 14 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). Across 2000–2009, sale prices on this property compounded at 8% per year. Today's modelled estimate of £546,000 sits 264% above the 2009 sale of £150,000. On a £-per-square-foot basis, the last sale (£65/sq ft) was about 70.1% below the postcode norm. 3 planning records sit against the property, 1 approved, 1 refused.