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12 Cannon House, Rose Lane, Nash Mills Wharf, Hemel Hempstead, HP3 9GB

EPC B

Estimated value

£237,000

  • Since the 2020 sale (£240,000)-1%
  • Against HP3 9GB's recent median (£245,000)-3%

Newest record on this page: June 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Bedroom
1
Bathroom
1
Floor area
48 m²
517 sq ft
Energy rating
B
Score 82
Council tax
Band C
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£237,000

  • Against its 2020 sale (£240,000)-1%
  • Against HP3 9GB's recent median (£245,000)-3%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 12 Cannon House is modelled from its 48 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in HP3 9GB. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    48 m² from the EPC lodged in October 2014

  • Sales of this home

    2 sales recorded, the latest in 2020

  • Recent sales in HP3 9GB

    5 sales, median £245,000 (2025–2022)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: June 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
PlanningNone on this homeFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Sales timeline

  1. 13 November 2020Most recent

    £240,000

    +41.2%over 6 years

  2. 28 October 2014

    £170,000

Median price across the last 5 sales in HP3 9GB: £245,000 (2025–2022).

Risks

What this page doesn't show

Nothing is flagged from the data on this page, but these checks are only run in the report. The detail, evidence and what to ask about it are in the Risks Report.
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

One time fee only - money back guarantee

Overview

About 12 Cannon House

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

12 Cannon House is a one-bedroom property in Nash Mills Wharf, Hemel Hempstead, Hemel Hempstead (HP3 9GB). It has a recorded floor area of 48 m² (around 517 sq ft) and council tax band C. The latest certificate (October 2014) returns a B (score 82), comfortably above the UK average. The latest certificate is from October 2014, so improvements made since then won't be reflected. At 48 m² this is the 4th smallest of 13 units on EPC record in the building, where floor areas span 39–67 m². The building's EPC ratings span C to B, with this unit at the top. Other recorded features include a balcony. The home occupies a corner plot.

Across 2014–2020, sale prices on this property compounded at 5.9% per year. Last sale on file: £240,000 in November 2020.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms1
  • Bathrooms1

Outside

  • ParkingOff street
  • BalconyYes
  • Corner plotYes

Building

  • Heating systemGas
Before you decide

Everything you need to know about 12 Cannon House

The true value, the hidden risks and the full sale history, in one report.

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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

12 Cannon House's carbon output is low for the local stock.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 05 Oct 2024

Current Certificate
Oct 2014

EPC Rating

A
B
B82
C
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Good
CO2 Emissions
0.9 t/year
Occupancy
—

Certificate validity

Expired on 5 October 2024

New assessment needed to sell or let
Planning

Planning history

Applications and permits filed against 12 Cannon House, Rose Lane, Nash Mills Wharf, Hemel Hempstead, HP3 9GB, sourced from the PlanIt planning register.

12 Cannon House has no planning applications on record.

2

But the area is active

2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

On the street

Versus other Rose Lane homes

Four headline reads against 12 similar flats on this street, drawn from the latest EPC and Land Registry data.

Price per m² for 12 Cannon House runs comfortably ahead of the street norm.

Price per m²

£5,000

Street avg £4,423

Above

Floor Area

48 m²

Street avg 50 m²

Below

CO₂ Emissions

0.9 t/year

Street avg 1.0 t/year

Above

Years Held

6 years

Street avg 7 years

On par
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Hemel Hempstead district page.
Full Hemel Hempstead report

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.

Nearest schools

  • Nash Mills Church of England Primary SchoolPrimary457m
  • Belswains Primary SchoolPrimary1.1km
  • Chambersbury Primary SchoolPrimary1.3km
  • Kings Langley Primary SchoolPrimary1.3km

Nearest stops

  • Red Lion LaneBus stop143m
  • Rucklers LaneBus stop224m
  • Mill CloseBus stop268m
  • Rucklers LaneBus stop290m

Most reported crime locally

  • Violence & Sexual Offences937 reports34%
  • Anti-social Behaviour630 reports23%
  • Other Theft265 reports10%
  • Criminal Damage & Arson174 reports6%

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around HP3 9GB from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for HP3 9GB

Daytime· 07:00 – 23:00

49.6dB

Low
Night-time road noise heatmap for HP3 9GB

Night-time· 23:00 – 07:00

40.0dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Mid Floor FlatEPC B

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £545 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£209k

1 Albion Court, Ebberns Road

HP3 9DE

1 bed1 bath
£373k

1 Butterfly Crescent, Nash Mills Wharf

HP3 9GS

1 bed1 bath
£258k

1 Barn Close

HP3 9PJ

2 bed1 bath
£270k

1 Apsley Grange

HP3 9SY

2 bed
£301k

1 Blackwell House, The Embankment, Nash Mills Wharf

HP3 9FX

2 bed2 bath
£175k

1 Basildon Court, Croxley Road, Nash Mills Wharf

HP3 9GY

2 bed1 bath
£455k

1 Barnard Way

HP3 9EX

2 bed1 bath
£385k

1 Brereton Court

HP3 9JS

3 bed1 bath

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 12 Cannon House is modelled from its 48 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in HP3 9GB. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 2 sales are recorded for 12 Cannon House. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 12 Cannon House was lodged in October 2014 at band B and expired in October 2024, so a new one is needed to sell or let. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 12 Cannon House. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 13 months, which places each incident at an approximate point. The 17 schools and 30 stops listed are measured in a straight line from HP3 9GB, not by walking route. Road noise is Defra's strategic noise modelling, averaged across the postcode.
Council tax band
12 Cannon House is in council tax band C. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 12 Cannon House, Rose Lane, Nash Mills Wharf, Hemel Hempstead, HP3 9GB. Each answer is also embedded as structured data for search engines.

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