3 The Hazels, Lower Green, Tewin, Welwyn, AL6 0HZ

3 The Hazels is a four-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0HZ). It has a recorded floor area of 114 m² (around 1227 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (September 2020) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since October 2009. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Poor to Good and lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 82), a 2-band jump. Other recorded features include notable views. The home occupies a cul-de-sac position.

At 114 m² the property is well over the postcode median (84 m² across 3 EPCs), placing it in the larger end of the local stock. Across 2001–2021, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £619,000 is 15.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£436/sq ft) was about 30.2% above the typical sold price in the postcode. Sold February 2021 for £535,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.