25 Churchill Court, Newmarket Avenue, Northolt, UB5 4EP

25 Churchill Court is a semi-detached house in Northolt (UB5 4EP). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1967-1975 and council tax band B. At 67 m² this is the 29th smallest of 37 units on EPC record in the building, where floor areas span 20–70 m². The building's EPC ratings span D to B, with this unit at the bottom. The latest certificate (June 2021) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2010); the latest reading is one band lower. Between certificates, window efficiency went from Average to Good; while wall efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 74).

Held since February 2003 — that's 23 years off the open market, well above the local norm. Across 2002–2003, sale prices on this property compounded at 20.5% per year. Today's modelled estimate of £263,000 sits 163% above the 2003 sale of £100,000. On a £-per-square-foot basis, the last sale (£139/sq ft) was about 18.6% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs).