4 Greenbrook Avenue, Barnet, EN4 0LS

4 Greenbrook Avenue is a five-bedroom detached house in Barnet (EN4 0LS). It has a recorded floor area of 383 m² (around 4123 sq ft), construction records dating it to 1950-1966 and council tax band H. The latest certificate (October 2025) shows an E (score 47), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since January 2009. Between certificates, roof efficiency went from Poor to Average and hot-water efficiency went from Very Poor to Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Poor. The recommended improvements would push it to D (score 61).

Untraded for 16 years, with the last transfer in December 2010. At 383 m² the property is well over the postcode median (261 m² across 16 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £2,807,000 sits 70.1% above the 2010 sale of £1,650,000. 3 planning records sit against the property, 1 approved, 2 refused.