23a, Kingsland Road, Hemel Hempstead, HP1 1QD

23a is a detached house in Hemel Hempstead (HP1 1QD). It has a recorded floor area of 137 m² (around 1475 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (April 2019) returns a high B (score 87), putting the home a stone's throw from an A rating. When first surveyed in April 2012 the rating was D, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Very Good, roof efficiency went from Poor to Good and window efficiency went from Good to Very Good.

It hasn't traded since December 2006, a hold of 19 years that's notably long for the area. At 137 m² the property is well over the postcode median (83 m² across 45 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 89% of similar EPCs). Across 1995–2006, sale prices on this property compounded at 11.2% per year. Today's modelled estimate of £572,000 sits 196.4% above the 2006 sale of £193,000. On a £-per-square-foot basis, the last sale (£131/sq ft) was about 56% below the postcode norm.