Flat A, 55 Verulam Road, St Albans, AL3 4DJ

Flat A is a semi-detached house in St Albans (AL3 4DJ). It has a recorded floor area of 40 m² (around 427 sq ft) and construction records dating it to before 1900. The latest certificate (October 2011) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 58). The latest certificate is from October 2011, so improvements made since then won't be reflected.

Held since May 2008 — that's 18 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 2000–2008, sale prices on this property compounded at 14.9% per year. Today's modelled estimate of £265,000 sits 51.4% above the 2008 sale of £175,000. At 40 m² it sits well below the postcode median (119 m² across 25 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs).