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Get started4 Duncan Close is a three-bedroom detached house in Welwyn Garden City (AL7 3XP). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (January 2019) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 6.5% per year against 0% for the wider region. Today's modelled estimate of £462,000 is 17% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£548/sq ft) was about 90.7% above the typical sold price in the postcode. At 67 m² it's 19.6% larger than the typical home in the postcode (56 m² median across 36 EPCs). Most recent transfer: December 2020 at £395,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
Price for 4 Duncan Close has grown more than fourfold since the 1997 starting point.
£462,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 24 years.
£395,000
Growth on file: 6.5% per year over 24 years.
4 Duncan Close outperforms the street on habitable rooms by a wide margin.
Price per m²
£5,896
Street avg £4,936
Floor Area
67 m²
Street avg 57 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Knella Road — bus stop.
10 December 2020Most recent
£395,000
+132.4%over 18 years23 July 2002
£170,000
+93.2%over 5 years31 January 1997
£88,000
Median price across the last 5 sales in AL7 3XP: £365,000 (2025–2024).
Street avg 3 rooms
CO₂ Emissions
2.9 t/year
Street avg 2.4 t/year
AL7 3SY
Closest school
0.2 km
Holwell Primary School. 21 schools nearby.
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