4 Coslany Square, Norwich, NR3 3PS

4 Coslany Square is a one-bedroom end-of-terrace house in Norwich (NR3 3PS). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to before 1900 and council tax band B. At 46 m² this is the smallest unit on EPC record across the building (46–113 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (64 versus a best of 72). The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include notable views. Period features are noted in the property record. The latest certificate (August 2024) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in June 2014 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 76).

Held since March 2001 — that's 25 years off the open market, well above the local norm. Across 1996–2001, sale prices on this property compounded at 17.8% per year. Today's modelled estimate of £175,000 sits 121.5% above the 2001 sale of £79,000. On a £-per-square-foot basis, the last sale (£160/sq ft) was about 25.3% below the postcode norm. At 46 m² it sits well below the postcode median (103 m² across 4 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). 3 planning records sit against the property, 3 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved.