4 Derwent Avenue, South Wootton, King's Lynn, PE30 3PA

4 Derwent Avenue is a detached house in King's Lynn (PE30 3PA). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (September 2014) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79). Main heating runs on oil. The latest certificate is from September 2014, so improvements made since then won't be reflected.

Held since August 1999 — that's 27 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 122 m² the property is well over the postcode median (88 m² across 4 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £366,000 sits 815% above the 1999 sale of £40,000. On a £-per-square-foot basis, the last sale (£30/sq ft) was about 81.8% below the postcode norm.