23 Nightingale Court, Waldeck Road, Luton, LU3 1AB

23 Nightingale Court is a two-bedroom mid-terrace house in Luton (LU3 1AB). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (July 2019) shows a D (score 64), on the cusp of jumping into the C band. Earlier certificates rated it C (June 2009); the latest reading is one band lower. Between certificates, hot-water efficiency went from Very Poor to Average, lighting went from Good to Very Good and main heating went from Poor to Average; while wall efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 78). Main heating runs on electricity. At 54 m² this is the 21st smallest of 29 units on EPC record in the building, where floor areas span 28–66 m². The building's EPC ratings span E to C across 29 units on file.

Untraded for 19 years, with the last transfer in March 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 1997–2007, sale prices on this property compounded at 7% per year. Today's modelled estimate of £158,000 is 46.3% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£186/sq ft) was about 15.4% above the typical sold price in the postcode.