3 Marlborough House, Holywell Avenue, Whitley Bay, NE26 3AH

3 Marlborough House is a one-bedroom mid-terrace house in Whitley Bay (NE26 3AH). It has a recorded floor area of 45 m² (around 482 sq ft), construction records dating it to 1983-1990 and council tax band B. At 45 m² this is the 2nd smallest of 15 units on EPC record in the building, where floor areas span 44–120 m². The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (57 versus a best of 83). The latest certificate (October 2011) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since May 2011. Between certificates, lighting went from Average to Good; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 73). The latest certificate is from October 2011, so improvements made since then won't be reflected.

At 45 m² it sits well below the postcode median (78 m² across 36 EPCs), making it one of the more compact homes locally. Across 2002–2018, sale prices on this property compounded at 1.9% per year. Today's modelled estimate of £151,000 is 30.7% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£240/sq ft) was about 18.3% above the typical sold price in the postcode. Last sale on file: £115,500 in October 2018.