4 Hertford Road, Tewin, Welwyn, AL6 0JY

4 Hertford Road is a three-bedroom end-of-terrace house in Tewin, Welwyn, Welwyn (AL6 0JY). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (April 2021) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would lift it to A (score 108), a 4-band jump. Period features are noted in the property record. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility.

At 79 m² it sits well below the postcode median (166 m² across 16 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). Today's modelled estimate of £611,000 is 18.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£607/sq ft) was about 48.6% above the typical sold price in the postcode. Sold June 2021 for £516,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.