Chalkdell House, Flat 14, 42 Loweswater Close, Watford, WD25 0TA

Chalkdell House is a one-bedroom mid-terrace house in Watford (WD25 0TA). It has a recorded floor area of 45 m² (around 488 sq ft) and construction records dating it to 2003-2006. The latest certificate (May 2009) returns a high B (score 87), putting the home a stone's throw from an A rating. The latest certificate is from May 2009, so improvements made since then won't be reflected. At 45 m² this is the 5th smallest of 27 units on EPC record in Chalkdell House, where floor areas span 41–68 m². The building's EPC ratings span C to B, with this unit at the top. On EPC score it ranks first in the building (87 versus a worst of 76).

Across 2004–2014, sale prices on this property compounded at -2.5% per year. Today's modelled estimate of £180,000 sits 132.3% above the 2014 sale of £77,500. On a £-per-square-foot basis, the last sale (£159/sq ft) was about 42.9% below the postcode norm. Last sold in December 2014, so it's been off the market for around 11 years. At 45 m² it's 19.1% smaller than the typical home in the postcode (56 m² median across 26 EPCs).