17 Concord Close, Northolt, UB5 6JZ

17 Concord Close is a one-bedroom detached house in Northolt (UB5 6JZ). It has a recorded floor area of 34 m² (around 366 sq ft), construction records dating it to 1983-1990 and council tax band B. At 34 m² this is the 2nd smallest of 31 units on EPC record in the building, where floor areas span 32–154 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (June 2022) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it C (April 2012); the latest reading is 2 bands lower. Between certificates, hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 78), a 2-band jump. Main heating runs on electricity.

At 34 m² it sits well below the postcode median (50 m² across 30 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Last changed hands 8 years ago, in January 2018. Across the public record there are 7 sales, relatively high churn for a single property. Across 1998–2018, sale prices on this property compounded at 8.1% per year. On a £-per-square-foot basis, the last sale (£563/sq ft) was about 80.1% above the typical sold price in the postcode.