138a, Flat B, Fleet Road, London, NW3 2QX

138a is a mid-terrace house in London (NW3 2QX). It has a recorded floor area of 49 m² (around 527 sq ft) and construction records dating it to before 1900. At 49 m² this is the 2nd smallest of 4 units on EPC record in 138a, where floor areas span 29–55 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (September 2019) shows a D (score 63), on the cusp of jumping into the C band. Earlier certificates rated it C (June 2009); the latest reading is one band lower. The recommended improvements would lift it to B (score 81), a 2-band jump.

It hasn't traded since August 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 2002–2009, sale prices on this property compounded at 6.6% per year. Today's modelled estimate of £506,000 sits 63.2% above the 2009 sale of £310,000. On a £-per-square-foot basis, the last sale (£588/sq ft) was about 29.3% above the typical sold price in the postcode.