42 Hertford Road, Digswell, Welwyn, AL6 0DB

42 Hertford Road is a detached house in Digswell, Welwyn, Welwyn (AL6 0DB). It has a recorded floor area of 301 m² (around 3240 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (August 2013) returns a high B (score 86), putting the home a stone's throw from an A rating. When first surveyed in July 2010 the rating was E, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Good to Very Good and window efficiency went from Average to Very Good. The latest certificate is from August 2013, so improvements made since then won't be reflected.

At 301 m² the property is well over the postcode median (143 m² across 6 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). Across 2014–2019, sale prices on this property compounded at 2.4% per year. Today's modelled estimate of £1,373,000 sits 62.5% above the 2019 sale of £845,000. On a £-per-square-foot basis, the last sale (£261/sq ft) was about 30.2% below the postcode norm. 13 planning records sit against the property, 7 approved, 6 refused. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: October 2019 at £845,000.