12a, Angerstein Road, Portsmouth, PO2 8HL

12a is a semi-detached house in Portsmouth (PO2 8HL). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1900-1929 and council tax band A. At 57 m² this is the 7th smallest of 43 units on EPC record in the building, where floor areas span 26–175 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (June 2016) shows a C (score 69), just inside the C band. When first surveyed in April 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good.

10 years since the last transfer (April 2016). Across the public record there are 4 sales, relatively high churn for a single property. Across 1996–2016, sale prices on this property compounded at 6.6% per year. Today's modelled estimate of £152,000 is 35.5% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£183/sq ft) was about 29% above the typical sold price in the postcode. At 57 m² it's 22.4% smaller than the typical home in the postcode (74 m² median across 42 EPCs).