44 Firs Walk, Tewin, Welwyn, AL6 0NZ

44 Firs Walk is a five-bedroom detached house in Tewin, Welwyn, Welwyn (AL6 0NZ). It has a recorded floor area of 263 m² (around 2831 sq ft), construction records dating it to 1983-1990 and council tax band G. The latest certificate (September 2020) shows a C (score 69), just inside the C band. When first surveyed in July 2009 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Poor; while roof efficiency dropped from Good to Average.

2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a porch, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 77% of similar EPCs). Across 2010–2021, sale prices on this property compounded at 4.9% per year. Today's modelled estimate of £1,644,000 is 15.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£503/sq ft) was about 69.1% above the typical sold price in the postcode. Most recent transfer: March 2021 at £1,425,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.