3a, Crossfield Road, Camden, London, NW3 4NS

3a is a mid-terrace house in Camden, London, London (NW3 4NS). It has a recorded floor area of 72 m² (around 774 sq ft) and construction records dating it to before 1900. At 72 m² this is the 10th smallest of 23 units on EPC record in the building, where floor areas span 54–225 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (May 2009) shows a C (score 73). The latest certificate is from May 2009, so improvements made since then won't be reflected.

It hasn't traded since October 2009, a hold of 17 years that's notably long for the area. Across the public record there are 5 sales, relatively high churn for a single property. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Across 1998–2009, sale prices on this property compounded at 8.4% per year. Today's modelled estimate of £761,000 is 42.9% above the 2009 sale price. On a £-per-square-foot basis, the last sale (£688/sq ft) was about 56.1% above the typical sold price in the postcode.