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

138a is a mid-terrace house in London (NW3 2QX). It has a recorded floor area of 29 m² (around 313 sq ft) and construction records dating it to before 1900. At 29 m² this is the smallest unit on EPC record across 138a (29–55 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 (71 versus a worst of 58). The latest certificate (July 2009) shows a C (score 71). The latest certificate is from July 2009, so improvements made since then won't be reflected.

Held since May 2008 — that's 18 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 29 m² it sits well below the postcode median (49 m² across 77 EPCs), making it one of the more compact homes locally. Across 2002–2008, sale prices on this property compounded at 9.7% per year. Today's modelled estimate of £450,000 is 38.5% above the 2008 sale price. On a £-per-square-foot basis, the last sale (£1,039/sq ft) was about 128.7% above the typical sold price in the postcode.