12 John Alder Close, Chiseldon, Swindon, SN4 0JL

12 John Alder Close is a four-bedroom detached house in Chiseldon, Swindon, Swindon (SN4 0JL). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (January 2021) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78).

At 112 m² it's 28.7% larger than the typical home in the postcode (87 m² median across 11 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. Across 2003–2021, sale prices on this property compounded at 2.5% per year. Today's modelled estimate of £464,000 is 14.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£336/sq ft) was about 42.8% above the typical sold price in the postcode. Sold March 2021 for £405,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.