Top Floor Flat, 16 High Street, Portsmouth, PO1 2LP

Top Floor Flat is a mid-terrace house in Portsmouth (PO1 2LP). It has a recorded floor area of 42 m² (around 452 sq ft) and construction records dating it to before 1900. The latest certificate (November 2014) shows a D (score 59), a step below the typical UK home. When first surveyed in December 2008 the rating was G, the property has climbed 3 bands since. Between certificates, hot-water efficiency went from Very Poor to Poor, lighting went from Very Poor to Average and main heating went from Very Poor to Average. The recommended improvements would push it to C (score 75). Main heating runs on electricity. The latest certificate is from November 2014, so improvements made since then won't be reflected.

Across 2007–2015, sale prices on this property compounded at -3.9% per year. Today's modelled estimate of £246,000 sits 73.2% above the 2015 sale of £142,000. On a £-per-square-foot basis, the last sale (£314/sq ft) was about 48.4% above the typical sold price in the postcode. At 42 m² it sits well below the postcode median (132 m² across 16 EPCs), making it one of the more compact homes locally. Last changed hands 11 years ago, in November 2015.