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Get started12 By The Mount is a one-bedroom end-of-terrace house in Welwyn Garden City (AL7 3SY). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1983-1990 and council tax band B. At 47 m² this is the 5th smallest of 30 units on EPC record in the building, where floor areas span 41–96 m². The building's EPC ratings span D to B across 30 units on file. The home occupies a cul-de-sac position. The latest certificate (March 2018) shows a C (score 70).
Sale prices here have outpaced England HPI: 2.1% per year against 0.1% for the wider region. Most recent transfer was June 2025 at £200,000 — fresh data. At 47 m² it's 17.5% smaller than the typical home in the postcode (57 m² median across 29 EPCs).
£213,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.1% per year over 7 years.
£200,000
Growth on file: 2.1% per year over 7 years.
On years held, 12 By The Mount runs well behind the street norm.
Price per m²
£4,255
Street avg £3,775
Floor Area
47 m²
Street avg 50 m²
Habitable Rooms
2 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
0.0 km
Broadwater Crescent — bus stop.
27 June 2025Most recent
£200,000
+15.6%over 6 years20 August 2018
£173,000
Median price across the last 5 sales in AL7 3SY: £390,000 (2025–2020).
CO₂ Emissions
2.0 t/year
Street avg 1.5 t/year
AL7 3QQ
Closest school
0.5 km
Our Lady Catholic Primary School. 22 schools nearby.
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