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Get started3 Duncan Close is a semi-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 1991-1995 and council tax band D. The latest certificate (July 2025) shows a C (score 72).
Sale prices here have outpaced England HPI: 6.1% per year against 0.1% for the wider region. On a £-per-square-foot basis, the last sale (£569/sq ft) was about 102.5% above the typical sold price in the postcode. A recent sale: £410,000 in September 2025. At 67 m² it's 19.6% larger than the typical home in the postcode (56 m² median across 36 EPCs).
3 Duncan Close has more than quadrupled in price since its earliest registered sale in 1996.
£421,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 29 years.
£410,000
Growth on file: 6.1% per year over 29 years.
Years Held for 3 Duncan Close lags the street by a wide margin.
Price per m²
£6,119
Street avg £4,926
Floor Area
67 m²
Street avg 57 m²
Habitable Rooms
4 rooms
Street avg 3 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.
30 September 2025Most recent
£410,000
+461.6%over 29 years3 June 1996
£73,000
Median price across the last 5 sales in AL7 3XP: £350,000 (2024–2023).
CO₂ Emissions
2.2 t/year
Street avg 2.4 t/year
AL7 3DA
Closest school
0.2 km
Holwell Primary School. 21 schools nearby.
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