Flat 3, 344 City Road, Islington, London, EC1V 2PY

Flat 3 is a one-bedroom mid-terrace house in Islington, London, London (EC1V 2PY). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to before 1900 and council tax band C. At 39 m² this is the largest unit on EPC record across the building (34–39 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 (65 versus a best of 69). Other recorded features include a balcony. Period features are noted in the property record. The latest certificate (November 2022) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (March 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 80).

Held since February 1998 — that's 28 years off the open market, well above the local norm. 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 £415,000 sits 394% above the 1998 sale of £84,000. On a £-per-square-foot basis, the last sale (£200/sq ft) was about 49.1% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs).