11 Cowper Court, Watford, WD24 6NW

11 Cowper Court is a one-bedroom mid-terrace house in Watford (WD24 6NW). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 2007-2011 and council tax band B. At 45 m² this is the 2nd smallest of 9 units on EPC record in the building, where floor areas span 40–96 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (November 2021) shows a C (score 78), near the top of the C band. Earlier certificates rated it B (October 2009); the latest reading is one band lower. Between certificates, wall efficiency went from Good to Very Good; while window efficiency dropped from Average to Poor and hot-water efficiency dropped from Very Good to Good.

Held since May 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 45 m² it sits well below the postcode median (89 m² across 8 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. 3 planning records sit against the property, 0 approved, 1 refused. Across 2000–2007, sale prices on this property compounded at 9.7% per year. Today's modelled estimate of £278,000 is 17.8% above the 2007 sale price.