Flat 5, 17 Knowsley Road, Southport, PR9 0BN

Flat 5 is a semi-detached house in Southport (PR9 0BN). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to before 1900 and council tax band A. At 56 m² this is the largest unit on EPC record across the building (41–56 m²). The building's EPC ratings span E to C across 8 units on file. The latest certificate (December 2021) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since March 2014. Between certificates, lighting dropped from Very Good to Very Poor. The recommended improvements would lift it to B (score 81), a 2-band jump.

At 56 m² the property is well over the postcode median (41 m² across 7 EPCs), placing it in the larger end of the local stock. Across 2007–2022, sale prices on this property compounded at -6% per year. Today's modelled estimate of £129,000 sits 155.4% above the 2022 sale of £50,500. On a £-per-square-foot basis, the last sale (£84/sq ft) was about 63.2% below the postcode norm. Most recent transfer: January 2022 at £50,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.