41 Byron Close, Walton On Thames, KT12 3RL

41 Byron Close is a three-bedroom mid-terrace house in Walton On Thames (KT12 3RL). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (September 2014) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (July 2011); the latest reading is one band lower. Between certificates, lighting went from Average to Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 87), a 3-band jump. The latest certificate is from September 2014, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.

On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer: June 2021 at £371,000. 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 1998–2021, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £422,000 is 13.7% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£442/sq ft) was about 91.8% above the typical sold price in the postcode.