27 Hillfield Avenue, Barnet, London, NW9 6NY

27 Hillfield Avenue is a three-bedroom semi-detached house in Barnet, London, London (NW9 6NY). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1930-1949 and council tax band E. At 68 m² this is the 2nd smallest of 17 units on EPC record in the building, where floor areas span 27–142 m². The building's EPC ratings span F to C, with this unit at the top. On EPC score it ranks first in the building (77 versus a worst of 33). The latest certificate (November 2025) shows a C (score 77), near the top of the C band. The rating has held steady at C across 4 certificates since November 2015. Between certificates, wall efficiency went from Very Poor to Average and lighting went from Good to Very Good. This certificate was lodged in the last six months, so the rating reflects current condition.

Untraded for 20 years, with the last transfer in April 2006. Today's modelled estimate of £440,000 sits 78.9% above the 2006 sale of £246,000. On a £-per-square-foot basis, the last sale (£336/sq ft) was about 47.8% above the typical sold price in the postcode. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 68 m² it's 24.9% smaller than the typical home in the postcode (91 m² median across 16 EPCs). Its energy rating outperforms most of the postcode (better than 75% of similar EPCs).