Model valuation£417,0008 Busby Close
Local market context
5 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 3rd smallest of 4 units on EPC record in 5 Blackwell House, where floor areas span 62–72 m². The building's EPC ratings span D to C, with this unit at the top. Other recorded features include a balcony. The latest certificate (October 2015) shows a C (score 74). Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from October 2015, so improvements made since then won't be reflected.
At 72 m² it's 16.1% larger than the typical home in the postcode (62 m² median across 35 EPCs). Most recent transfer: December 2024 at £320,000.
This certificate is over 10 years old and is no longer valid.Expired 29 Oct 2025
Certificate validity
Expired on 29 October 2025
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5 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.
£315,000
Modelled from EPC, postcode comparables and a sale-price growth of -0.2% per year over 9 years.
£320,000
Growth on file: -0.2% per year over 9 years.
6 December 2024Most recent
£320,000
-1.5%over 9 years27 November 2015
£324,950
Median price across the last 5 sales in HP3 9FX: £280,000 (2025–2025).
28 Blackwell House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9FX
Sold Oct 2025
19 Blackwell House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9FX
Sold Sept 2025
15 Blackwell House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9FX
Sold Jul 2025
10 Blackwell House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9FX
Sold Mar 2025
36 Blackwell House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9FX
Sold Jan 2025
5 Blackwell House is notably below the street on co₂ emissions.
Price per m²
£4,444
Street avg £4,741
Floor Area
72 m²
Street avg 64 m²
CO₂ Emissions
2.0 t/year
Street avg 1.5 t/year
Years Held
2 years
Street avg 6 years
Property research, connected
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
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Rail-style transport is unusually close for this postcode.
Crime
211/mo
Falling 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.

Daytime· 07:00 – 23:00
49.8dB

Night-time· 23:00 – 07:00
40.1dB