4 Harbour Walk, 91 Cumberland Road, Bristol, BS1 6UJ

4 Harbour Walk is a two-bedroom detached house in Bristol (BS1 6UJ). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to before 1900 and council tax band D. At 76 m² this is the smallest unit on EPC record across the building (76–177 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (51 versus a best of 77). Other recorded features include outbuildings. Period features are noted in the property record. The latest certificate (January 2026) shows an E (score 51), well below the UK norm with real room to improve. Earlier certificates rated it C (October 2008); the latest reading is 2 bands lower. Between certificates, window efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 77), a 2-band jump.

At 76 m² it's 21.2% smaller than the typical home in the postcode (97 m² median across 4 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 11 years since the last transfer (August 2015). Across the public record there are 4 sales, relatively high churn for a single property. Across 2002–2015, sale prices on this property compounded at 3.3% per year. Today's modelled estimate of £426,000 is 46.9% above the 2015 sale price.