13 Gainsborough Avenue, St Albans, AL1 4NJ

13 Gainsborough Avenue is a four-bedroom detached house in St Albans (AL1 4NJ). It has a recorded floor area of 180 m² (around 1938 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (September 2025) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in April 2017 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Poor to Average; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 70). Other recorded features include a self-contained annexe. Our model identifies extension potential, subject to local planning policy. The home occupies a corner plot.

It hasn't traded since May 2006, a hold of 20 years that's notably long for the area. Across 1995–2006, sale prices on this property compounded at 10.2% per year. Today's modelled estimate of £1,574,000 sits 126.5% above the 2006 sale of £695,000. On a £-per-square-foot basis, the last sale (£359/sq ft) was about 36.7% below the postcode norm. 8 planning records sit against the property, 3 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved. At 180 m² it's 22.4% larger than the typical home in the postcode (147 m² median across 11 EPCs).