5 Aldbury Grove, Welwyn Garden City, AL7 2LB

5 Aldbury Grove is a three-bedroom end-of-terrace house in Welwyn Garden City (AL7 2LB). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (February 2020) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in January 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Very Poor to Very Good and main heating went from Average to Good. The recommended improvements would lift it to B (score 84), a 2-band jump.

It hasn't traded since September 2001, a hold of 25 years that's notably long for the area. Sale prices here have outpaced England HPI: 12.2% per year against 0% for the wider region. Today's modelled estimate of £401,000 sits 239.8% above the 2001 sale of £118,000. On a £-per-square-foot basis, the last sale (£126/sq ft) was about 40.4% below the postcode norm. At 87 m² the property is well over the postcode median (57 m² across 31 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 87% of similar EPCs).