14 Blackthorn Court, Langdon Hills, Basildon, SS16 6TJ

14 Blackthorn Court is a two-bedroom detached house in Langdon Hills, Basildon, Basildon (SS16 6TJ). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (June 2020) shows a D (score 58), a step below the typical UK home. When first surveyed in July 2009 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Average and main heating went from Poor to Average; while wall efficiency dropped from Good to Average and roof efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 72). Main heating runs on electricity. At 49 m² this is the 11th smallest of 23 units on EPC record in the building, where floor areas span 40–68 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (58 versus a best of 77).

Held since February 2004 — that's 22 years off the open market, well above the local norm. Today's modelled estimate of £218,000 sits 84.7% above the 2004 sale of £118,000. On a £-per-square-foot basis, the last sale (£224/sq ft) was about 19.2% below the postcode norm.