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21 Mill House, Rose Lane, Nash Mills Wharf, Hemel Hempstead, HP3 9GL

Property type
End terrace
Floor 02
Bedrooms
2
Bathrooms
2
Floor area
66 m²
710 sq ft
Energy rating
C
Score 77
Council tax
Band D
Tenure
Owner Occupied
Overview

About 21 Mill House

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

21 Mill House is a two-bedroom end-of-terrace house in Nash Mills Wharf, Hemel Hempstead, Hemel Hempstead (HP3 9GL). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 2012 onwards and council tax band D. The latest certificate (August 2024) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since September 2014. Between certificates, roof efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. At 66 m² this is the 10th smallest of 26 units on EPC record in the building, where floor areas span 45–78 m². The building's EPC ratings span D to B across 26 units on file. Other recorded features include a balcony.

A recent sale: £340,000 in June 2025. On a £-per-square-foot basis, the last sale (£479/sq ft) was about 31.4% above the typical sold price in the postcode.

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
  • Dining roomYes
  • EnsuiteYes

Outside

  • ParkingYes
  • BalconyYes
Before you decide

Everything you need to know about 21 Mill House

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

Pick your report · every report is £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.
Current Certificate(1 of 2)
Aug 2024

EPC Rating

A
B
C
C77
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
1.6 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

21st century2nd Floor FlatEPC C

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 21 Mill House, Rose Lane, Nash Mills Wharf, Hemel Hempstead, HP3 9GL, sourced from the PlanIt planning register.

21 Mill 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.

21 Mill House valuation sits well clear of the typical sold price in this postcode.

Current estimate

£329,000

Modelled from EPC, postcode comparables and a sale-price growth of -0.4% per year over 7 years.

See how we calculated this
Last sold (2025)

£340,000

Growth on file: -0.4% per year over 7 years.

Sales timeline

  1. 26 June 2025Most recent

    £340,000

    -2.9%over 6 years

  2. 16 November 2018

    £350,000

Median price across the last 5 sales in HP3 9GL: £235,000 (2024–2024).

On the street

Versus other Rose Lane homes

Four headline reads against 25 similar flats on this street, drawn from the latest EPC and Land Registry data.

21 Mill House is notably below the street on years held.

Price per m²

£5,152

Street avg £4,202

Strongly above

Floor Area

66 m²

Street avg 62 m²

On par

Habitable Rooms

3 rooms

Street avg 3 rooms

Above

CO₂ Emissions

1.6 t/year

Street avg 1.4 t/year

Below
Before you decide

Everything you need to know about 21 Mill House

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

Pick your report · every report is £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.
£316k

1 Blackwell House, The Embankment, Nash Mills Wharf

HP3 9FX

2 bed2 bath
£270k

1 Apsley Grange

HP3 9SY

2 bed
£438k

1 Barnard Way

HP3 9EX

2 bed1 bath
£247k

1 Barn Close

HP3 9PJ

2 bed1 bath
£184k

1 Basildon Court, Croxley Road, Nash Mills Wharf

HP3 9GY

2 bed1 bath
£347k

1 Butterfly Crescent, Nash Mills Wharf

HP3 9GS

1 bed1 bath
£403k

1 Brereton Court

HP3 9JS

3 bed1 bath
£464k

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

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. 16 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 9GL from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for HP3 9GL

Daytime· 07:00 – 23:00

49.6dB

Low
Night-time road noise heatmap for HP3 9GL

Night-time· 23:00 – 07:00

40.2dB

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 21 Mill House, Rose Lane, Nash Mills Wharf, Hemel Hempstead, HP3 9GL. Each answer is also embedded as structured data for search engines.