Flat 3, 17 Knowsley Road, Southport, PR9 0BN

Flat 3 is a one-bedroom semi-detached house in Southport (PR9 0BN). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (March 2014) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since March 2014. The recommended improvements would lift it to A (score 92), a 4-band jump. The latest certificate is from March 2014, so improvements made since then won't be reflected.

Untraded for 18 years, with the last transfer in April 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). Today's modelled estimate of £124,000 is 17% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£240/sq ft) was about 27.6% above the typical sold price in the postcode.