12 Ballinger Court, Halsey Road, Watford, WD18 0JR

12 Ballinger Court is a two-bedroom semi-detached house in Watford (WD18 0JR). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1976-1982 and council tax band D. At 70 m² this is the 10th smallest of 21 units on EPC record in the building, where floor areas span 47–82 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (65 versus a best of 81). The latest certificate (January 2014) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since July 2010. Between certificates, window efficiency went from Very Poor to Average; while roof efficiency dropped from Average to Poor and lighting dropped from Poor to Very Poor. The recommended improvements would push it to C (score 78). The latest certificate is from January 2014, so improvements made since then won't be reflected.

It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). Across 1998–2018, sale prices on this property compounded at 6.7% per year. On a £-per-square-foot basis, the last sale (£418/sq ft) was about 114.3% above the typical sold price in the postcode. Last sold in January 2018, so it's been off the market for around 8 years.