12 Olton Street, Liverpool, L15 4NE

12 Olton Street is a two-bedroom mid-terrace house in Liverpool (L15 4NE). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (November 2018) shows a D (score 63), on the cusp of jumping into the C band. Earlier certificates rated it C (March 2010); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Good to Very Good; while roof efficiency dropped from Good to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 82), a 2-band jump.

Untraded for 19 years, with the last transfer in September 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 1999–2007, sale prices on this property compounded at 13.6% per year. Today's modelled estimate of £117,000 sits 56% above the 2007 sale of £75,000. On a £-per-square-foot basis, the last sale (£148/sq ft) was about 37.1% above the typical sold price in the postcode. At 47 m² it's 17.5% smaller than the typical home in the postcode (57 m² median across 27 EPCs).