Mulberry House, Bibbs Hall Lane, Ayot St Lawrence, Welwyn, AL6 9BY

Mulberry House is a detached house in Ayot St. Lawrence, Welwyn, Welwyn (AL6 9BY). It has a recorded floor area of 252 m² (around 2713 sq ft), construction records dating it to 1996-2002 and council tax band H. The latest certificate (November 2021) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2014. Between certificates, window efficiency went from Average to Good and lighting went from Average to Very Good; while main heating dropped from Good to Average. The recommended improvements would push it to C (score 74). Main heating runs on oil.

It hasn't traded since July 1996, a hold of 30 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £1,604,000 sits 339.5% above the 1996 sale of £365,000. On a £-per-square-foot basis, the last sale (£135/sq ft) was about 68.6% below the postcode norm. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, a porch and partial demolition, meaningful when judging how the property has evolved.