3 Idenbury Court, Downs Road, Luton, LU1 1QW

3 Idenbury Court is a one-bedroom semi-detached house in Luton (LU1 1QW). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1900-1929 and council tax band A. At 48 m² this is the 5th smallest of 10 units on EPC record in the building, where floor areas span 46–50 m². The building's EPC ratings span F to C, with this unit at the top. On EPC score it ranks first in the building (76 versus a worst of 38). The latest certificate (November 2013) shows a C (score 76), near the top of the C band. When first surveyed in May 2009 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, hot-water efficiency went from Very Poor to Average and main heating went from Poor to Average; while window efficiency dropped from Average to Very Poor and lighting dropped from Good to Average. The recommended improvements would push it to B (score 84). Main heating runs on electricity. The latest certificate is from November 2013, so improvements made since then won't be reflected.

Held since March 2005 — that's 21 years off the open market, well above the local norm. Across 2000–2005, sale prices on this property compounded at 18.1% per year. Today's modelled estimate of £123,000 sits 64% above the 2005 sale of £75,000. On a £-per-square-foot basis, the last sale (£145/sq ft) was about 17% below the postcode norm. Its energy rating outperforms most of the postcode (better than 78% of similar EPCs).