6a, Church Street, Halifax, HX1 1QY

6a is a mid-terrace house in Halifax (HX1 1QY). It has a recorded floor area of 45 m² (around 484 sq ft), construction records dating it to 1900-1929 and council tax band A. At 45 m² this is the 4th smallest of 15 units on EPC record in the building, where floor areas span 44–208 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (80 versus a worst of 39). The latest certificate (September 2021) shows a C (score 80), near the top of the C band. When first surveyed in December 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and window efficiency went from Poor to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 83).

Untraded for 30 years, with the last transfer in March 1996. 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 £134,000 sits 208% above the 1996 sale of £43,500. On a £-per-square-foot basis, the last sale (£90/sq ft) was about 59.6% above the typical sold price in the postcode. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs).