4b, Corporation Road, Carlisle, CA3 8XB

4b is a mid-terrace house in Carlisle (CA3 8XB). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to before 1900 and council tax band A. At 72 m² this is the smallest unit on EPC record across the building (72–155 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 (77 versus a worst of 53). The latest certificate (November 2025) shows a C (score 77), near the top of the C band.

Held since August 2002 — that's 24 years off the open market, well above the local norm. Today's modelled estimate of £124,000 sits 106.8% above the 2002 sale of £59,950. On a £-per-square-foot basis, the last sale (£77/sq ft) was about 52.6% above the typical sold price in the postcode. At 72 m² it sits well below the postcode median (127 m² across 6 EPCs), making it one of the more compact homes locally.