2 Blackwell House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9FX

2 Blackwell House is a two-bedroom property in Nash Mills Wharf, Hemel Hempstead, Hemel Hempstead (HP3 9FX). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 2012 onwards and council tax band D. At 68 m² this is the largest unit on EPC record across 2 Blackwell House (60–68 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (61 versus a best of 80). Other recorded features include a balcony. The latest certificate (April 2026) shows a D (score 61), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2015); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average. The recommended improvements would push it to C (score 78). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.

It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). On the market in October 2015 and unlisted since — roughly 11 years.