20 Autumn Grove, Welwyn Garden City, AL7 4DB

20 Autumn Grove is a three-bedroom semi-detached house in Welwyn Garden City (AL7 4DB). It has a recorded floor area of 114 m² (around 1229 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (July 2009) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 73), a 2-band jump. The latest certificate is from July 2009, so improvements made since then won't be reflected.

Held since October 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 114 m² the property is well over the postcode median (82 m² across 31 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £435,000 sits 105.2% above the 2009 sale of £212,000. On a £-per-square-foot basis, the last sale (£172/sq ft) was about 26.8% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved.