Apartment 17, 1 River Street, Manchester, M1 5BB

Apartment 17 is a two-bedroom semi-detached house in Manchester (M1 5BB). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 2003-2006 and council tax band D. At 71 m² this is the 21st smallest of 22 units on EPC record in the building, where floor areas span 45–72 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 (60 versus a best of 78). The latest certificate (January 2020) shows a D (score 60), on the cusp of jumping into the C band. Earlier certificates rated it B (August 2009); the latest reading is 2 bands lower. Between certificates, lighting went from Average to Good; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 79). Main heating runs on electricity.

Across 2004–2015, sale prices on this property compounded at -1.9% per year. Today's modelled estimate of £214,000 sits 52.9% above the 2015 sale of £139,950. On a £-per-square-foot basis, the last sale (£183/sq ft) was about 26.1% below the postcode norm. At 71 m² it's 16.4% larger than the typical home in the postcode (61 m² median across 21 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). On the market in January 2015 and unlisted since — roughly 11 years.