9 The Grove Mill, Grove Mill Lane, Watford, WD17 3TU

9 The Grove Mill is a two-bedroom semi-detached house in Watford (WD17 3TU). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to 1967-1975 and council tax band E. At 53 m² this is the 4th smallest of 8 units on EPC record in the building, where floor areas span 32–68 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (April 2021) shows a C (score 71). The recommended improvements would push it to B (score 81).

Across 2007–2022, sale prices on this property compounded at 2.9% per year. Today's modelled estimate of £353,000 is 11.8% below the 2022 sale of £400,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£701/sq ft) was about 68.4% above the typical sold price in the postcode. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). 2 planning records sit against the property, 1 approved, 0 refused. Last sale on file: £400,000 in November 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.