70 New Road, Welwyn, AL6 0AN

70 New Road is a seven-bedroom detached house in Welwyn (AL6 0AN). It has a recorded floor area of 527 m² (around 5673 sq ft), construction records dating it to 1900-1929 and council tax band H. The latest certificate (July 2019) shows an E (score 52), well below the UK norm with real room to improve. When first surveyed in May 2009 the rating was F, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Average and lighting went from Average to Very Good; while roof efficiency dropped from Good to Very Poor. The recommended improvements would push it to D (score 67). Other recorded features include attached land beyond the plot.

At 527 m² the property is well over the postcode median (292 m² across 6 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 7 bedrooms is on the larger side for this postcode, where 5 is the typical count. It changed hands recently, sold March 2025 for £2,700,000. One planning record on file: an annexe approved in 2003. Past consents include an annexe, meaningful when judging how the property has evolved. Across 1997–2025, sale prices on this property compounded at 5.4% per year. On a £-per-square-foot basis, the last sale (£476/sq ft) was about 67.4% above the typical sold price in the postcode.