5 Avenue House, Belsize Park Gardens, London, NW3 4LA

5 Avenue House is a detached house in London (NW3 4LA). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 1976-1982 and council tax band G. At 117 m² this is the smallest unit on EPC record across the building (117–146 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 (68 versus a best of 69). The latest certificate (October 2012) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 74). The latest certificate is from October 2012, so improvements made since then won't be reflected.

Across 2007–2013, sale prices on this property compounded at 9.3% per year. Today's modelled estimate of £1,396,000 is 27.5% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£869/sq ft) was about 15.3% above the typical sold price in the postcode. On the market in January 2013 and unlisted since — roughly 13 years.