23c, Queen Street, Newcastle Upon Tyne, NE1 3UG

23c is a one-bedroom mid-terrace house in Newcastle Upon Tyne (NE1 3UG). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (September 2024) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since January 2013. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Poor to Good and lighting went from Very Poor to Good; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 69), a 2-band jump. Main heating runs on electricity. At 70 m² this is the 18th smallest of 43 units on EPC record in the building, where floor areas span 35–153 m². The building's EPC ratings span G to B across 43 units on file.

It hasn't traded since September 1999, a hold of 27 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £145,000 sits 107.3% above the 1999 sale of £69,950. On a £-per-square-foot basis, the last sale (£93/sq ft) was about 42.6% below the postcode norm.