21 Malvern Avenue, Harrow, HA2 9EU

21 Malvern Avenue is a three-bedroom semi-detached house in Harrow (HA2 9EU). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (September 2025) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2018. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Average and lighting went from Very Poor to Poor; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 73). At 79 m² this is the 10th smallest of 25 units on EPC record in the building, where floor areas span 59–149 m². The building's EPC ratings span F to C across 25 units on file.

Held since April 2001 — that's 25 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £449,000 sits 202.4% above the 2001 sale of £148,500. On a £-per-square-foot basis, the last sale (£175/sq ft) was about 47.1% below the postcode norm.