4a, Hilfield Lane, Aldenham, Watford, WD25 8AJ

4a is a detached house in Aldenham, Watford, Watford (WD25 8AJ). It has a recorded floor area of 197 m² (around 2120 sq ft) and construction records dating it to 2020. The latest certificate (May 2022) returns a high B (score 86), putting the home a stone's throw from an A rating. The recommended improvements would push it to A (score 92).

Across 2005–2022, sale prices on this property compounded at 9.1% per year. Today's modelled estimate of £1,166,000 is 10.3% below the 2022 sale of £1,300,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£613/sq ft) was about 94.5% above the typical sold price in the postcode. At 197 m² the property is well over the postcode median (125 m² across 22 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. Most recent transfer: July 2022 at £1,300,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.