Flat 4, 47 Chalk Hill, Watford, WD19 4BU

Flat 4 is a two-bedroom mid-terrace house in Watford (WD19 4BU). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to before 1900 and council tax band B. At 37 m² this is the 4th smallest of 5 units on EPC record in the building, where floor areas span 20–41 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 (59 versus a best of 73). The latest certificate (February 2021) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 2 certificates since August 2010. Between certificates, window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good.

At 37 m² it sits well below the postcode median (98 m² across 9 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £229,000 is 17.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£490/sq ft) was about 105.1% above the typical sold price in the postcode. Most recent transfer: October 2021 at £195,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.