6 Delphine Close, Luton, LU1 5RE

6 Delphine Close is a one-bedroom detached house in Luton (LU1 5RE). It has a recorded floor area of 49 m² (around 526 sq ft), construction records dating it to 1950-1966 and council tax band A. At 49 m² this is the 10th smallest of 16 units on EPC record in the building, where floor areas span 45–64 m². The building's EPC ratings span E to C, with this unit at the bottom. Other recorded features include a balcony. The latest certificate (February 2010) shows an E (score 52), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since June 2009. Between certificates, wall efficiency went from Poor to Good and hot-water efficiency went from Poor to Average. The recommended improvements would push it to D (score 64). The latest certificate is from February 2010, so improvements made since then won't be reflected.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Last sold in March 2015, so it's been off the market for around 11 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 2002–2015, sale prices on this property compounded at 10.1% per year. Today's modelled estimate of £141,000 is 41% above the 2015 sale price.