Model valuation£417,0008 Busby Close
Local market context
12 Longman House is a detached house in Nash Mills Wharf, Hemel Hempstead, Hemel Hempstead (HP3 9GH). It has a recorded floor area of 71 m² (around 764 sq ft) and council tax band D. At 71 m² this is the 34th smallest of 42 units on EPC record in the building, where floor areas span 57–107 m². The building's EPC ratings span D to B across 42 units on file. The latest certificate (November 2016) shows a C (score 80), near the top of the C band. Main heating runs on electricity: electricity, unspecified tariff.
Last changed hands 10 years ago, in January 2017.
12 Longman House's carbon output is low for the local stock.
Certificate validity
Valid until 28 November 2026
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12 Longman 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.
£312,000
Modelled from EPC, postcode comparables.
£340,000
Recorded with HM Land Registry.
27 January 2017Most recent
£340,000
Median price across the last 5 sales in HP3 9GH: £320,000 (2026–2025).
24 Longman House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9GH
Sold Feb 2026
4 Longman House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9GH
Sold Aug 2025
41 Longman House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9GH
Sold May 2025
20 Longman House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9GH
Sold Mar 2025
31 Longman House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9GH
Sold Feb 2025
12 Longman House outperforms the street on years held by a wide margin.
Price per m²
£4,789
Street avg £5,103
Floor Area
71 m²
Street avg 67 m²
CO₂ Emissions
1.5 t/year
Street avg 1.6 t/year
Years Held
10 years
Street avg 7 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
0.1 km
Red Lion Lane — bus stop.
Closest school
0.4 km
Nash Mills Church of England Primary School. 17 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
49.9dB

Night-time· 23:00 – 07:00
40.3dB