Northcote Mansions, Flat 4, 122 Heath Street, London, NW3 1DT

Northcote Mansions is a semi-detached house in London (NW3 1DT). It has a recorded floor area of 135 m² (around 1453 sq ft) and construction records dating it to 1900-1929. The latest certificate (September 2020) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in June 2010 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and lighting went from Very Poor to Good. The recommended improvements would push it to C (score 78). At 135 m² this is the 4th smallest of 5 units on EPC record in Northcote Mansions, where floor areas span 130–139 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (60 versus a best of 69).

2 planning records sit against the property, 2 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved. Across 1995–2021, sale prices on this property compounded at 7.3% per year. Today's modelled estimate of £1,608,000 is 23.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£895/sq ft) was about 30.4% above the typical sold price in the postcode. Most recent transfer: June 2021 at £1,300,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.