105c, St Andrews Road, Southsea, PO5 1ES

105c is a one-bedroom mid-terrace house in Southsea (PO5 1ES). It has a recorded floor area of 51 m² (around 553 sq ft) and construction records dating it to before 1900. The latest certificate (May 2009) shows a D (score 55), a step below the typical UK home. When first surveyed in January 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Good to Average. Main heating runs on electricity. The latest certificate is from May 2009, so improvements made since then won't be reflected. At 51 m² this is the 12th smallest of 38 units on EPC record in the building, where floor areas span 39–245 m². The building's EPC ratings span G to C across 38 units on file.

It hasn't traded since September 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 2009–2009, sale prices on this property compounded at 92.1% per year. Today's modelled estimate of £138,000 is 42.3% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£176/sq ft) was about 38% above the typical sold price in the postcode.