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Get started18 By The Mount is a one-bedroom semi-detached house in Welwyn Garden City (AL7 3SY). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to 1991-1995 and council tax band B. At 48 m² this is the 7th 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 latest certificate (December 2022) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since May 2012.
Sale prices here have outpaced England HPI: 1.9% per year against 0% for the wider region. Today's modelled estimate of £195,000 sits 57.3% above the 2012 sale of £124,000. On a £-per-square-foot basis, the last sale (£240/sq ft) was about 36.1% below the postcode norm. Last changed hands 14 years ago, in August 2012. At 48 m² it's 15.8% smaller than the typical home in the postcode (57 m² median across 29 EPCs).
18 By The Mount's carbon output is low for the local stock.
£195,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.9% per year over 9 years.
£124,000
Growth on file: 1.9% per year over 9 years.
18 By The Mount is notably below the street on price per m².
Price per m²
£2,583
Street avg £4,110
Floor Area
48 m²
Street avg 50 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
0.0 km
Broadwater Crescent — bus stop.
23 August 2012Most recent
£124,000
+18.1%over 8 years12 December 2003
£105,000
Median price across the last 5 sales in AL7 3SY: £390,000 (2025–2020).
CO₂ Emissions
1.2 t/year
Street avg 1.6 t/year
AL7 3QQ
Closest school
0.5 km
Our Lady Catholic Primary School. 22 schools nearby.
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