18 Regency Apartments, Citadel East, Killingworth, Newcastle Upon Tyne, NE12 6DL

18 Regency Apartments is a one-bedroom mid-terrace house in Killingworth, Newcastle Upon Tyne, Newcastle Upon Tyne (NE12 6DL). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 2003-2006 and council tax band A. At 40 m² this is the smallest unit on EPC record across the building (40–64 m²). The building's EPC ratings span D to B across 50 units on file. The latest certificate (October 2018) shows a C (score 75), near the top of the C band. When first surveyed in January 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good; while hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 82). Main heating runs on electricity.

Across 2005–2017, sale prices on this property compounded at -7.1% per year. Today's modelled estimate of £103,000 sits 111.9% above the 2017 sale of £48,600. On a £-per-square-foot basis, the last sale (£113/sq ft) was about 47.7% below the postcode norm. On the market in July 2017 and unlisted since — roughly 9 years. At 40 m² it's 24.5% smaller than the typical home in the postcode (53 m² median across 49 EPCs).