5 Castle Green, Gorleston, Great Yarmouth, NR31 8TJ

5 Castle Green is a semi-detached house in Gorleston, Great Yarmouth, Great Yarmouth (NR31 8TJ). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1996-2002 and council tax band B. The latest certificate (August 2019) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (June 2009); the latest reading is one band lower. Between certificates, lighting went from Poor to Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump.

At 55 m² it's 20.3% smaller than the typical home in the postcode (69 m² median across 30 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Last sale on file: £142,000 in June 2021. Across the public record there are 5 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 1999–2021, sale prices on this property compounded at 5.7% per year. Today's modelled estimate of £180,000 is 26.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£240/sq ft) was about 52.9% above the typical sold price in the postcode.