22 Marine Gate Mansions, Promenade, Southport, PR9 0AU

22 Marine Gate Mansions is a two-bedroom mid-terrace house in Southport (PR9 0AU). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (September 2021) returns a B (score 81), comfortably above the UK average. When first surveyed in June 2009 the rating was D, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Poor to Very Good; while window efficiency dropped from Good to Average. At 110 m² this is the 4th smallest of 31 units on EPC record in the building, where floor areas span 81–297 m². The building's EPC ratings span D to B, with this unit at the top. Other recorded features include notable views.

Held since August 2001 — that's 25 years off the open market, well above the local norm. At 110 m² it sits well below the postcode median (159 m² across 30 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £320,000 is 28.5% above the 2001 sale price. On a £-per-square-foot basis, the last sale (£210/sq ft) was about 16.2% above the typical sold price in the postcode.