188a, Copnor Road, Portsmouth, PO3 5DA

188a is a mid-terrace house in Portsmouth (PO3 5DA). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (July 2021) shows a G (score 6), near the bottom of the EPC scale. The recommended improvements would lift it to D (score 68), a 3-band jump. Main heating runs on to be used only when there is no heating/hot. At 51 m² this is the 3rd smallest of 18 units on EPC record in the building, where floor areas span 49–116 m². The building's EPC ratings span G to C, with this unit at the bottom. On EPC score it ranks last in the building (6 versus a best of 72).

At 51 m² it's 19% smaller than the typical home in the postcode (63 m² median across 17 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Last sale on file: £85,000 in December 2021. Across the public record there are 5 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 1999–2021, sale prices on this property compounded at 4.1% per year. Today's modelled estimate of £126,000 is 48.2% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£155/sq ft) was about 39.7% above the typical sold price in the postcode.