21 Blake Close, Grimston, King's Lynn, PE32 1DL

21 Blake Close is a two-bedroom detached house in King's Lynn (PE32 1DL). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (February 2025) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in January 2015 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Poor to Good and hot-water efficiency went from Poor to Average. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on oil.

It hasn't traded since January 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1997–2009, sale prices on this property compounded at 9.8% per year. Today's modelled estimate of £233,000 sits 66.4% above the 2009 sale of £140,000. On a £-per-square-foot basis, the last sale (£200/sq ft) was about 26.4% above the typical sold price in the postcode. Its energy rating outperforms most of the postcode (better than 71% of similar EPCs).