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Get started20 Walsham Close is a semi-detached house in Hemel Hempstead (HP1 1BW). It has a recorded floor area of 166 m² (around 1787 sq ft) and construction records dating it to 2020. The latest certificate (December 2022) returns a high B (score 85), putting the home a stone's throw from an A rating.
At 166 m² the property is well over the postcode median (86 m² across 18 EPCs), placing it in the larger end of the local stock. Most recent transfer: December 2022 at £762,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£786,000
Modelled from EPC, postcode comparables.
£762,500
Recorded with HM Land Registry.
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Detailed AI analysis
20 Walsham Close is notably below the street on co₂ emissions.
Price per m²
£4,593
Street avg £5,444
Floor Area
166 m²
Street avg 110 m²
CO₂ Emissions
2.3 t/year
Street avg 1.5 t/year
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
16/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
49.8dB

16 December 2022Most recent
£762,500
Median price across the last 5 sales in HP1 1BW: £575,000 (2025–2023).
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Years Held
3 years
Street avg 3 years
HP1 1US
Laureate Academy — bus stop.
Closest school
0.3 km
Laureate Academy. 27 schools nearby.
Night-time· 23:00 – 07:00
40.2dB