12 Clarendon House, Clayton Street West, Newcastle Upon Tyne, NE1 5EE

12 Clarendon House is a one-bedroom semi-detached house in Newcastle Upon Tyne (NE1 5EE). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to before 1900 and council tax band A. Tenure is freehold. The latest certificate (September 2025) shows an E (score 46), well below the UK norm with real room to improve. Earlier certificates rated it D (August 2022); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor; while window efficiency dropped from Good to Poor and hot-water efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity. At 40 m² this is the 3rd smallest of 23 units on EPC record in the building, where floor areas span 35–96 m². The building's EPC ratings span G to C across 23 units on file.

Today's modelled estimate of £101,000 sits 71.2% above the 2023 sale of £59,000. At 40 m² it sits well below the postcode median (58 m² across 23 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 78% of similar EPCs). Most recent transfer: August 2023 at £59,000.