13 Flackwell House, Kimble Close, Watford, WD18 6UZ

13 Flackwell House is a two-bedroom detached house in Watford (WD18 6UZ). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (January 2019) shows a D (score 55), a step below the typical UK home. When first surveyed in January 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average and lighting went from Very Poor to Poor; while main heating dropped from Poor to Very Poor. The recommended improvements would push it to C (score 75). Main heating runs on electricity. At 69 m² this is the 7th smallest of 8 units on EPC record in the building, where floor areas span 48–72 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 (55 versus a best of 75).

Sold December 2019 for £172,000. Across the public record there are 4 sales, relatively high churn for a single property. Across 2001–2019, sale prices on this property compounded at 4.5% per year. Today's modelled estimate of £231,000 is 34.3% above the 2019 sale price.