257a, Harrow Road, Wembley, HA9 6DX

257a is an end-of-terrace house in Wembley (HA9 6DX). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1930-1949 and council tax band B. At 57 m² this is the largest unit on EPC record across the building (27–57 m²). The building's EPC ratings span G to C across 16 units on file. The latest certificate (March 2019) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in August 2016 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Average to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 75).

It hasn't traded since July 1999, a hold of 27 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 57 m² the property is well over the postcode median (41 m² across 15 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £308,000 sits 420.3% above the 1999 sale of £59,200. On a £-per-square-foot basis, the last sale (£96/sq ft) was about 46.3% below the postcode norm.