21 Elmfield North Block, Millbrook Road East, Southampton, SO15 1HZ

21 Elmfield North Block is a two-bedroom mid-terrace house in Southampton (SO15 1HZ). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1900-1929 and council tax band A. At 44 m² this is the 4th smallest of 28 units on EPC record in the building, where floor areas span 26–116 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (June 2019) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 60).

It hasn't traded since September 2008, a hold of 18 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 44 m² it's 18.5% smaller than the typical home in the postcode (54 m² median across 27 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). Across 2002–2008, sale prices on this property compounded at 3.3% per year. Today's modelled estimate of £128,000 is 16.4% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£232/sq ft) was about 58% above the typical sold price in the postcode.