117d, High Street, King's Lynn, PE30 1DD

117d is a one-bedroom mid-terrace house in King's Lynn (PE30 1DD). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (August 2022) shows a D (score 59), a step below the typical UK home. When first surveyed in October 2010 the rating was E, the property has climbed 1 band since. Between certificates, main heating went from Poor to Average; while wall efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 78). Main heating runs on electricity. At 47 m² this is the 5th smallest of 8 units on EPC record in the building, where floor areas span 35–74 m². The building's EPC ratings span E to C across 8 units on file.

Held since July 2006 — that's 20 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. Across 1997–2006, sale prices on this property compounded at 15.3% per year. Today's modelled estimate of £106,000 sits 71% above the 2006 sale of £62,000.