221a, St Albans Road, Watford, WD24 5BH

221a is a three-bedroom mid-terrace house in Watford (WD24 5BH). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (January 2012) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in June 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good and lighting went from Very Poor to Average. The recommended improvements would push it to C (score 70). The latest certificate is from January 2012, so improvements made since then won't be reflected. At 81 m² this is the 25th smallest of 30 units on EPC record in the building, where floor areas span 32–246 m². The building's EPC ratings span E to B across 30 units on file.

At 81 m² the property is well over the postcode median (44 m² across 29 EPCs), placing it in the larger end of the local stock. Last sale on file: £215,000 in March 2020. Across the public record there are 4 sales, relatively high churn for a single property. Across 1999–2020, sale prices on this property compounded at 3.7% per year. Today's modelled estimate of £274,000 is 27.4% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£246/sq ft) was about 20% below the postcode norm.