What did 12 Cannon House, Rose Lane, HP3 9GB sell for?

12 Cannon House, Rose Lane, HP3 9GB last sold for £240,000 in November 2020, around 6 years ago. Before that, it sold for £170,000 in October 2014, so prices have been rising over 6 years on record. Source: HM Land Registry.

Has 12 Cannon House, Rose Lane, HP3 9GB appreciated in value?

Across 2 sales between October 2014 and November 2020, 12 Cannon House, Rose Lane, HP3 9GB rose from £170,000 to £240,000, a change of £70,000. That works out to roughly +5.9% per year compounded over 6 years. Source: HM Land Registry.

What energy rating does 12 Cannon House, Rose Lane, HP3 9GB have?

The current EPC rating for 12 Cannon House, Rose Lane, HP3 9GB is B with a score of 82 out of 100, lodged in October 2014. Source: EPC Register.

What is the floor area of 12 Cannon House, Rose Lane, HP3 9GB?

12 Cannon House, Rose Lane, HP3 9GB has a recorded floor area of 48 m² (517 sq ft), around 48 m² per bedroom. Source: EPC Register.

How is 12 Cannon House, Rose Lane, HP3 9GB heated?

The latest EPC at 12 Cannon House, Rose Lane, HP3 9GB records mains gas as the main heating fuel. Source: EPC Register.

What council tax band is 12 Cannon House, Rose Lane, HP3 9GB?

12 Cannon House, Rose Lane, HP3 9GB is in council tax band C.

Where is 12 Cannon House, Rose Lane, HP3 9GB located?

12 Cannon House, Rose Lane, HP3 9GB sits in Nash Mills Wharf, Hemel Hempstead, Hemel Hempstead. It falls within the HP3 postcode district in Hertfordshire.

What is crime like near 12 Cannon House, Rose Lane, HP3 9GB?

Police records around 12 Cannon House, Rose Lane, HP3 9GB show an average of 3 reported crimes per month over the last 7 months. Violent crime makes up roughly 35% of reports, the most common category. The overall trend is broadly stable. Source: Police UK.

Which schools serve 12 Cannon House, Rose Lane, HP3 9GB?

The closest primary school to 12 Cannon House, Rose Lane, HP3 9GB is Nash Mills Church of England Primary School (457m), one of 13 primaries within walking distance. The closest secondary is Kings Langley School (1.6km), with 4 secondaries in the surrounding area.

What is the nearest station to 12 Cannon House, Rose Lane, HP3 9GB?

The closest bus stop to 12 Cannon House, Rose Lane, HP3 9GB is Red Lion Lane, 143m away. The nearest rail option is Apsley Rail Station, 912m away.

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

EPC B

Bedroom

Bathroom

Floor area

48 m²

517 sq ft

Energy rating

Score 82

Council tax

Band C

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

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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

EPC Rating

B82

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Very Good

CO2 Emissions

0.9 t/year

Occupancy

—

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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.

But the area is active

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

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

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

Current estimate

£239,000

Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 6 years.

See how we calculated this

Last sold (2020)

£240,000

Growth on file: 5.9% per year over 6 years.

Sales timeline

13 November 2020Most recent
£240,000
+41.2%over 6 years
28 October 2014
£170,000

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

Nearby sales in HP3 9GB

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

Before you decide

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

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The data behind every report

Comparables

Similar properties nearby

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

£227k

1 Albion Court, Ebberns Road

HP3 9DE

1 bed1 bath

£347k

1 Butterfly Crescent, Nash Mills Wharf

HP3 9GS

1 bed1 bath

£247k

1 Barn Close

HP3 9PJ

2 bed1 bath

£270k

1 Apsley Grange

HP3 9SY

2 bed

£184k

1 Basildon Court, Croxley Road, Nash Mills Wharf

HP3 9GY

2 bed1 bath

£316k

1 Blackwell House, The Embankment, Nash Mills Wharf

HP3 9FX

2 bed2 bath

£438k

1 Barnard Way

HP3 9EX

2 bed1 bath

£403k

1 Brereton Court

HP3 9JS

3 bed1 bath

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

3/mo

Steady 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.

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· 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

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.