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

12 Balfour Mews is a two-bedroom mid-terrace house in Bovingdon, Hemel Hempstead, Hemel Hempstead (HP3 0SE). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1991-1995 and council tax band C. At 80 m² this is the largest unit on EPC record across the building (44–80 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (77 versus a worst of 64). The latest certificate (June 2018) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since August 2009. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Poor to Average and window efficiency went from Very Poor to Good.

It hasn't traded since September 2007, a hold of 19 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 80 m² the property is well over the postcode median (61 m² across 11 EPCs), placing it in the larger end of the local stock. Across 1998–2007, sale prices on this property compounded at 9.5% per year. Today's modelled estimate of £295,000 sits 67.6% above the 2007 sale of £176,000.