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Get started21 Duncan Close is a two-bedroom mid-terrace house in Welwyn Garden City (AL7 3XP). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (August 2017) shows a C (score 71). The recommended improvements would push it to B (score 90).
Sale prices here have outpaced England HPI: 6% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£617/sq ft) was about 120.9% above the typical sold price in the postcode. Sold September 2024 for £365,000.
21 Duncan Close has more than quadrupled in price since its earliest registered sale in 1999.
£385,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 25 years.
£365,000
Growth on file: 6.0% per year over 25 years.
On years held, 21 Duncan Close runs well behind the street norm.
Price per m²
£6,636
Street avg £4,903
Floor Area
55 m²
Street avg 58 m²
Habitable Rooms
3 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.
9 September 2024Most recent
£365,000
+15.9%over 6 years26 January 2018
£315,000
+266.5%over 18 years30 November 1999
£85,950
Median price across the last 5 sales in AL7 3XP: £350,000 (2025–2023).
CO₂ Emissions
2.1 t/year
Street avg 2.5 t/year
AL7 3XH
Closest school
0.2 km
Holwell Primary School. 21 schools nearby.
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