21 Northfield Road, Enfield, EN3 4BP

21 Northfield Road is an end-of-terrace house in Enfield (EN3 4BP). It has a recorded floor area of 13 m² (around 140 sq ft), construction records dating it to 1900-1929 and council tax band D. At 13 m² this is the smallest unit on EPC record across the building (13–153 m²). The building's EPC ratings span F to C, with this unit at the top. The latest certificate (October 2025) shows a C (score 71). When first surveyed in January 2019 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good and lighting went from Very Poor to Good; while window efficiency dropped from Average to Poor and hot-water efficiency dropped from Average to Very Poor. Main heating runs on electricity.

Today's modelled estimate of £264,000 is 39.3% below the 2025 sale of £435,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£3,109/sq ft) was about 1238.5% above the typical sold price in the postcode. A recent sale: £435,000 in June 2025. At 13 m² it sits well below the postcode median (76 m² across 30 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 70% of similar EPCs). 4 planning records sit against the property, 2 approved, 0 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved.