3a, Central Avenue, Carlisle, CA1 3QB

3a is a mid-terrace house in Carlisle (CA1 3QB). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (November 2025) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in November 2011 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Very Poor to Good and hot-water efficiency went from Very Poor to Poor; while lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 72). Main heating runs on electricity. At 56 m² this is the 20th smallest of 24 units on EPC record in the building, where floor areas span 36–59 m². The building's EPC ratings span D to C, with this unit at the bottom.

It hasn't traded since April 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. At 56 m² the property is well over the postcode median (40 m² across 23 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £103,000 sits 488.6% above the 1996 sale of £17,500. On a £-per-square-foot basis, the last sale (£29/sq ft) was about 68.3% below the postcode norm.