4 Balfour Mews, Bovingdon, Hemel Hempstead, HP3 0SE

4 Balfour Mews is a two-bedroom semi-detached house in Bovingdon, Hemel Hempstead, Hemel Hempstead (HP3 0SE). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1983-1990 and council tax band C. At 44 m² this is the smallest unit on EPC record across the building (44–80 m²). The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (June 2014) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75). The latest certificate is from June 2014, so improvements made since then won't be reflected.

Last changed hands 12 years ago, in August 2014. Across the public record there are 5 sales, relatively high churn for a single property. At 44 m² it's 27.9% smaller than the typical home in the postcode (61 m² median across 11 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 73% of similar EPCs). Across 1999–2014, sale prices on this property compounded at 6.8% per year. Today's modelled estimate of £248,000 is 24% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£422/sq ft) was about 133.3% above the typical sold price in the postcode.