56 Hertford Road, Welwyn, AL6 0BX

56 Hertford Road is a detached house in Welwyn (AL6 0BX). It has a recorded floor area of 292 m² (around 3143 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (July 2025) shows a C (score 73). When first surveyed in January 2011 the rating was F, the property has climbed 3 bands since. Between certificates, window efficiency went from Very Poor to Average, hot-water efficiency went from Poor to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Average to Very Poor and roof efficiency dropped from Average to Very Poor.

At 292 m² the property is well over the postcode median (145 m² across 8 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). 11 planning records sit against the property, 9 approved, 2 refused. Past consents include a garage conversion, an extension, new windows and an annexe, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. Today's modelled estimate of £2,028,000 is 22.9% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£525/sq ft) was about 48.6% above the typical sold price in the postcode. Last sale on file: £1,650,000 in August 2018.