20a, Newtown Road, Carlisle, CA2 7JH

20a is a one-bedroom end-of-terrace house in Carlisle (CA2 7JH). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to before 1900 and council tax band A. At 38 m² this is the smallest unit on EPC record across the building (38–132 m²). The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 65). The latest certificate (November 2018) shows an E (score 39), well below the UK norm with real room to improve. When first surveyed in October 2017 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and lighting went from Average to Very Good. The recommended improvements would push it to D (score 68). Main heating runs on electricity.

Held since October 1999 — that's 27 years off the open market, well above the local norm. 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 £118,000 sits 293.3% above the 1999 sale of £30,000. On a £-per-square-foot basis, the last sale (£73/sq ft) was about 25.5% below the postcode norm. At 38 m² it sits well below the postcode median (103 m² across 11 EPCs), making it one of the more compact homes locally.