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12 Harrison House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9DH

3 sales on record
Bedrooms
2
Bathrooms
2
Floor area
85 m²
915 sq ft
Energy rating
C
Score 70
Council tax
Band D
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Overview

About 12 Harrison House

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

12 Harrison House is a two-bedroom property in Nash Mills Wharf, Hemel Hempstead, Hemel Hempstead (HP3 9DH). It has a recorded floor area of 85 m² (around 915 sq ft) and council tax band D. At 85 m² this is the 50th smallest of 53 units on EPC record in the building, where floor areas span 43–101 m². The building's EPC ratings span D to B across 53 units on file. The latest certificate (June 2015) shows a C (score 70). Main heating runs on electricity: electricity, unspecified tariff. The latest certificate is from June 2015, so improvements made since then won't be reflected.

At 85 m² the property is well over the postcode median (59 m² across 52 EPCs), placing it in the larger end of the local stock. Most recent transfer was February 2026 at £300,000 — fresh data. Across 2015–2026, sale prices on this property compounded at 1.2% per year. Today's modelled estimate of £340,000 is 13.3% above the 2026 sale price. On a £-per-square-foot basis, the last sale (£328/sq ft) was about 26.9% below the postcode norm.

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

  • Bedrooms2
  • Bathrooms2
  • Open-plan layoutYes
  • EnsuiteYes

Outside

  • ParkingAllocated
Before you decide

Everything you need to know about 12 Harrison House

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

Pick your report · from £14.99

One time fee only - money back guarantee

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 Harrison House's EPC is over a decade old — improvements since won't be reflected.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 07 Jun 2025

Current Certificate
Jun 2015

EPC Rating

A
B
C
C70
D
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Very Poor
Windows
Very Good
CO2 Emissions
2.5 t/year
Occupancy
—

Certificate validity

Expired on 7 June 2025

New assessment needed to sell or let
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Ground Floor FlatEPC CLow flood risk

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 £595 · Includes VAT

Planning

Planning history

Applications and permits filed against 12 Harrison House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9DH, sourced from the PlanIt planning register.

12 Harrison 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.

Price

Sales history & valuation

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

12 Harrison House's sale-price growth has lagged the wider UK trajectory across its history on file.

Current estimate

£340,000

Modelled from EPC, postcode comparables and a sale-price growth of 1.2% per year over 11 years.

See how we calculated this
Last sold (2026)

£300,000

Growth on file: 1.2% per year over 11 years.

Sales timeline

  1. 20 February 2026Most recent

    £300,000

    +3.4%over 6 years

  2. 22 July 2019

    £290,000

    +9.4%over 4 years

  3. 29 June 2015

    £265,000

Median price across the last 5 sales in HP3 9DH: £320,000 (2026–2024).

On the street

Versus other The Embankment homes

Four headline reads against 52 similar flats on this street, drawn from the latest EPC and Land Registry data.

Years Held for 12 Harrison House lags the street by a wide margin.

Price per m²

£3,529

Street avg £4,889

Strongly below

Floor Area

85 m²

Street avg 59 m²

Strongly above

CO₂ Emissions

2.5 t/year

Street avg 1.2 t/year

Strongly below

Years Held

0 years

Street avg 8 years

Strongly below
Before you decide

Everything you need to know about 12 Harrison House

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

Pick your report · from £14.99

One time fee only - money back guarantee

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
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£301k

1 Blackwell House, The Embankment, Nash Mills Wharf

HP3 9FX

2 bed2 bath
£270k

1 Apsley Grange

HP3 9SY

2 bed
£258k

1 Barn Close

HP3 9PJ

2 bed1 bath
£455k

1 Barnard Way

HP3 9EX

2 bed1 bath
£175k

1 Basildon Court, Croxley Road, Nash Mills Wharf

HP3 9GY

2 bed1 bath
£373k

1 Butterfly Crescent, Nash Mills Wharf

HP3 9GS

1 bed1 bath
£385k

1 Brereton Court

HP3 9JS

3 bed1 bath
£439k

1 Athelstan Road

HP3 9QE

3 bed
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

0.2 km

Mill Close — bus stop.

Closest school

0.3 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.

Noise

Road noise across the postcode

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

Daytime· 07:00 – 23:00

49.9dB

Low
Night-time road noise heatmap for HP3 9DH

Night-time· 23:00 – 07:00

40.1dB

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 Harrison House, The Embankment, Nash Mills Wharf, Hemel Hempstead, HP3 9DH. Each answer is also embedded as structured data for search engines.