Model valuation£417,0008 Busby Close
Local market context
9 Cannon House is a one-bedroom end-of-terrace house in Nash Mills Wharf, Hemel Hempstead, Hemel Hempstead (HP3 9GB). It has a recorded floor area of 39 m² (around 420 sq ft), construction records dating it to 2012 onwards and council tax band C. At 39 m² this is the smallest unit on EPC record across the building (39–67 m²). The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (September 2024) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (October 2014); the latest reading is one band lower. Between certificates, roof efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good.
Last sold in October 2014, so it's been off the market for around 12 years. At 39 m² it's 19.6% smaller than the typical home in the postcode (49 m² median across 12 EPCs). Today's modelled estimate of £215,000 is 26.5% above the 2014 sale price.
9 Cannon House's carbon output is low for the local stock.
Certificate validity
Valid until 4 September 2034
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9 Cannon 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.
£215,000
Modelled from EPC, postcode comparables.
£170,000
Recorded with HM Land Registry.
23 October 2014Most recent
£170,000
Median price across the last 5 sales in HP3 9GB: £245,000 (2025–2022).
10 Cannon House, Rose Lane, Nash Mills Wharf, Hemel Hempstead, HP3 9GB
Sold Jun 2025
4 Cannon House, Rose Lane, Nash Mills Wharf, Hemel Hempstead, HP3 9GB
Sold Apr 2024
11 Cannon House, Rose Lane, Nash Mills Wharf, Hemel Hempstead, HP3 9GB
Sold Aug 2023
6 Cannon House, Rose Lane, Nash Mills Wharf, Hemel Hempstead, HP3 9GB
Sold Nov 2022
5 Cannon House, Rose Lane, Nash Mills Wharf, Hemel Hempstead, HP3 9GB
Sold Mar 2022
Floor Area for 9 Cannon House lags the street by a wide margin.
Price per m²
£4,359
Street avg £4,476
Floor Area
39 m²
Street avg 51 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
0.9 t/year
Street avg 1.0 t/year
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
0.5 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
49.6dB

Night-time· 23:00 – 07:00
40.0dB