Flat 1, 3 Elsworthy Terrace, London, NW3 3DR

Flat 1 is a mid-terrace house in London (NW3 3DR). It has a recorded floor area of 211 m² (around 2271 sq ft), construction records dating it to 1900-1929 and council tax band F. At 211 m² this is the largest unit on EPC record across the building (60–211 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 (60 versus a best of 74). The latest certificate (October 2024) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since January 2019. Between certificates, window efficiency went from Poor to Good and lighting went from Good to Very Good.

Held since November 2010 — that's 16 years off the open market, well above the local norm. At 211 m² the property is well over the postcode median (84 m² across 40 EPCs), placing it in the larger end of the local stock. Across 1999–2010, sale prices on this property compounded at 10.7% per year. Today's modelled estimate of £2,257,000 sits 105.5% above the 2010 sale of £1,098,500. On a £-per-square-foot basis, the last sale (£484/sq ft) was about 21.8% below the postcode norm.