354 St John Street, Islington, London, EC1V 4NR

354 St John Street is a one-bedroom mid-terrace house in Islington, London, London (EC1V 4NR). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1976-1982 and council tax band D. At 59 m² this is the smallest unit on EPC record across the building (59–91 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (69 versus a worst of 57). Our model identifies extension potential, subject to local planning policy. The latest certificate (March 2019) shows a C (score 69), just inside the C band. The rating has held steady at C across 2 certificates since January 2009. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Average.

Held since May 2000 — that's 26 years off the open market, well above the local norm. Across 1998–2000, sale prices on this property compounded at 16.3% per year. Today's modelled estimate of £516,000 sits 171.7% above the 2000 sale of £189,950. At 59 m² it sits well below the postcode median (87 m² across 6 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). One planning record on file: tree works approved in 2020. Past consents include tree works, meaningful when judging how the property has evolved.