17 Duncan Close, Welwyn Garden City, AL7 3XP

17 Duncan Close is a one-bedroom end-of-terrace house in Welwyn Garden City (AL7 3XP). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1976-1982 and council tax band C. Tenure is freehold. The latest certificate (March 2016) shows an E (score 48), well below the UK norm with real room to improve. Earlier certificates rated it D (November 2014); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 88), a 3-band jump. The latest certificate is from March 2016, so improvements made since then won't be reflected. Other recorded features include a conservatory.

Sale prices here have outpaced England HPI: 6.1% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£524/sq ft) was about 87.9% above the typical sold price in the postcode. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer: February 2022 at £282,236. Across the public record there are 5 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. One planning record on file: an extension approved in 2006. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.