2 Harmer Dell, Welwyn, AL6 0BE

2 Harmer Dell is a five-bedroom detached house in Welwyn (AL6 0BE). It has a recorded floor area of 171 m² (around 1841 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (September 2017) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 85), a 3-band jump. Other recorded features include attached land beyond the plot. Our model identifies extension potential, subject to local planning policy.

At 171 m² it's 29.5% smaller than the typical home in the postcode (243 m² median across 4 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 7 planning records sit against the property, 6 approved, 1 refused. Past consents include tree works, solar panel installation, an extension and a porch, meaningful when judging how the property has evolved. Today's modelled estimate of £1,072,000 is 15.9% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£503/sq ft) was about 63.3% above the typical sold price in the postcode. 9 years since the last transfer (November 2017).