333a, High Street, Enfield, EN3 4DH

333a is a mid-terrace house in Enfield (EN3 4DH). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (February 2022) shows an E (score 39), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since June 2011. Between certificates, lighting went from Good to Very Good; while window efficiency dropped from Average to Poor and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on electricity. At 40 m² this is the 5th smallest of 35 units on EPC record in the building, where floor areas span 32–112 m². The building's EPC ratings span G to C across 35 units on file.

Today's modelled estimate of £204,000 is 18.4% below the 2014 sale of £250,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£581/sq ft) was about 151.8% above the typical sold price in the postcode. At 40 m² it sits well below the postcode median (88 m² across 34 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 79% of similar EPCs). Last changed hands 12 years ago, in March 2014.