Flat 3, 17 Grosvenor Road, Southport, PR8 2JG

Flat 3 is a two-bedroom detached house in Southport (PR8 2JG). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to before 1900 and council tax band B. At 102 m² this is the largest unit on EPC record across the building (94–102 m²). The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (51 versus a best of 55). The latest certificate (January 2015) shows an E (score 51), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump. The latest certificate is from January 2015, so improvements made since then won't be reflected.

Held since May 2002 — that's 24 years off the open market, well above the local norm. Across 1996–2002, sale prices on this property compounded at 4.6% per year. Today's modelled estimate of £170,000 sits 117.9% above the 2002 sale of £78,000. On a £-per-square-foot basis, the last sale (£71/sq ft) was about 24.9% below the postcode norm.