5 Lahnstein Court, Kettering, NN16 0DR

5 Lahnstein Court is a one-bedroom mid-terrace house in Kettering (NN16 0DR). It has a recorded floor area of 53 m² (around 570 sq ft), construction records dating it to 1991-1995 and council tax band A. At 53 m² this is the 8th smallest of 35 units on EPC record in the building, where floor areas span 47–102 m². The building's EPC ratings span E to B, with this unit at the bottom. The latest certificate (December 2020) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (October 2009); the latest reading is one band lower. Between certificates, roof efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 79), a 2-band jump. Main heating runs on electricity.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Sold December 2021 for £100,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2003–2021, sale prices on this property compounded at 2.9% per year. Today's modelled estimate of £110,000 is 10% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£175/sq ft) was about 31.2% above the typical sold price in the postcode.