1 Blackwell House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9FX
About 1 Blackwell House
1 Blackwell House is a two-bedroom property in Nash Mills Wharf, Hemel Hempstead, Hemel Hempstead (HP3 9FX). It has a recorded floor area of 72 m² (around 775 sq ft) and council tax band D. At 72 m² this is the 2nd smallest of 4 units on EPC record in 1 Blackwell House, where floor areas span 62–73 m². On EPC score it ranks last in the building (70 versus a best of 76). The latest certificate (October 2015) shows a C (score 70). Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from October 2015, so improvements made since then won't be reflected.
Across 2015–2021, sale prices on this property compounded at -1.9% per year. Last sale on file: £290,000 in September 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms2
- Bathrooms2
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 20 Oct 2025
EPC Rating
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Planning history
1 Blackwell House has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£316,000
Modelled from EPC, postcode comparables and a sale-price growth of -1.9% per year over 6 years.
£290,000
Growth on file: -1.9% per year over 6 years.
Sales timeline
1 September 2021Most recent
£290,000
-10.8%over 5 years30 October 2015
£325,000
Median price across the last 5 sales in HP3 9FX: £280,000 (2025–2024).
Nearby sales in HP3 9FX
28 Blackwell House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9FX
Sold Oct 2025
£280,00010 Blackwell House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9FX
Sold Mar 2025
£250,00036 Blackwell House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9FX
Sold Jan 2025
£315,0005 Blackwell House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9FX
Sold Dec 2024
£320,00020 Blackwell House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9FX
Sold Sept 2024
£240,000
Versus other The Embankment homes
On price per m², 1 Blackwell House runs well behind the street norm.
Price per m²
£4,028
Street avg £4,719
Floor Area
72 m²
Street avg 64 m²
CO₂ Emissions
2.3 t/year
Street avg 1.6 t/year
Years Held
5 years
Street avg 6 years
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Mill Close — bus stop.
Closest school
0.4 km
Nash Mills Church of England Primary School. 18 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
49.8dB

Night-time· 23:00 – 07:00
40.1dB







