Flat 3, 287 London Road, Portsmouth, PO2 9HE

Flat 3 is a one-bedroom semi-detached house in Portsmouth (PO2 9HE). It has a recorded floor area of 29 m² (around 312 sq ft), construction records dating it to 1900-1929 and council tax band A. At 29 m² this is the smallest unit on EPC record across the building (29–108 m²). The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (51 versus a best of 66). The latest certificate (February 2016) shows an E (score 51), well below the UK norm with real room to improve. When first surveyed in October 2008 the rating was G, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Poor to Good; while roof efficiency dropped from Average to Poor. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on electricity. The latest certificate is from February 2016, so improvements made since then won't be reflected.

At 29 m² it sits well below the postcode median (66 m² across 20 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. A recent sale: £78,800 in January 2025. Across 2016–2025, sale prices on this property compounded at 2.3% per year. Today's modelled estimate of £116,000 is 47.2% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£252/sq ft) was about 56.5% above the typical sold price in the postcode.