21 Timken Way South, Duston, Northampton, NN5 6FE

21 Timken Way South is a four-bedroom detached house in Duston, Northampton, Northampton (NN5 6FE). It has a recorded floor area of 181 m² (around 1952 sq ft), construction records dating it to 2007 onwards and council tax band F. The latest certificate (March 2011) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (May 2009); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and roof efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 82). The latest certificate is from March 2011, so improvements made since then won't be reflected.

At 181 m² the property is well over the postcode median (73 m² across 41 EPCs), placing it in the larger end of the local stock. Across 2009–2011, sale prices on this property compounded at -1.1% per year. Today's modelled estimate of £448,000 sits 58.6% above the 2011 sale of £282,500. On a £-per-square-foot basis, the last sale (£145/sq ft) was about 28.4% below the postcode norm. 15 years since the last transfer (September 2011).