Flat 3, 6 Mason Avenue, Whitley Bay, NE26 1AQ

Flat 3 is a one-bedroom mid-terrace house in Whitley Bay (NE26 1AQ). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1900-1929 and council tax band A. At 43 m² this is the smallest unit on EPC record across the building (43–149 m²). The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (74 versus a worst of 60). The latest certificate (July 2020) shows a C (score 74). The rating has held steady at C across 2 certificates since June 2010. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.

Across 1995–2020, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £141,000 sits 52.4% above the 2020 sale of £92,500. On a £-per-square-foot basis, the last sale (£200/sq ft) was about 79.7% above the typical sold price in the postcode. At 43 m² it sits well below the postcode median (131 m² across 15 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 87% of similar EPCs). Sold November 2020 for £92,500.