Cromwell House, Flat 8, 29 Box Lane, Hemel Hempstead, HP3 0DH
About Cromwell House
Cromwell House is a detached house in Hemel Hempstead (HP3 0DH). It has a recorded floor area of 87 m² (around 936 sq ft). At 87 m² this is the smallest unit on EPC record across Cromwell House (87–135 m²). On EPC score it ranks last in the building (84 versus a best of 86). The latest certificate (February 2019) returns a B (score 84), comfortably above the UK average.
Across 2020–2024, sale prices on this property compounded at 4.8% per year. On a £-per-square-foot basis, the last sale (£507/sq ft) was about 19.1% above the typical sold price in the postcode. At 87 m² it's 28.1% smaller than the typical home in the postcode (121 m² median across 14 EPCs). Most recent transfer: February 2024 at £475,000.
Everything you need to know about Cromwell 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
The data behind every report
Energy performance
Cromwell House's carbon output is low for the local stock.
EPC Rating
Get a survey for this property
Level 2 HomeBuyer Report
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 £695 · Includes VAT
Planning history
Cromwell 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.
Sales history & valuation
£483,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 4 years.
£475,000
Growth on file: 4.8% per year over 4 years.
Sales timeline
26 February 2024Most recent
£475,000
+18.8%over 3 years30 June 2020
£400,000
Median price across the last 5 sales in HP3 0DH: £610,000 (2025–2020).
Nearby sales in HP3 0DH
13 Box Lane, Hemel Hempstead, HP3 0DH
Sold Jul 2025
£2,200,000Cromwell House, Flat 2, 29 Box Lane, Hemel Hempstead, HP3 0DH
Sold Oct 2024
£610,0001 Box Lane, Hemel Hempstead, HP3 0DH
Sold Jan 2021
£885,000Cromwell House, Flat 7, 29 Box Lane, Hemel Hempstead, HP3 0DH
Sold Jan 2021
£450,000Cromwell House, Flat 4, 29 Box Lane, Hemel Hempstead, HP3 0DH
Sold Dec 2020
£563,000
Versus other Box Lane homes
Floor Area for Cromwell House lags the street by a wide margin.
Price per m²
£5,460
Street avg £6,099
Floor Area
87 m²
Street avg 106 m²
CO₂ Emissions
1.3 t/year
Street avg 1.6 t/year
Years Held
2 years
Street avg 6 years
Everything you need to know about Cromwell 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
The data behind every report
Similar properties nearby
1a, Flat, High Street, Bovingdon
HP3 0HG
33a, Flat, High Street, Bovingdon
HP3 0HG
33c, Flat 1, High Street, Bovingdon
HP3 0HG
33c, Flat 2, High Street, Bovingdon
HP3 0HG
Anvil Close, Flat 4, Yew Tree Drive, Bovingdon
HP3 0TB
Anvil Close, Flat 6, Yew Tree Drive, Bovingdon
HP3 0TB
Anvil Close, Flat 3, Yew Tree Drive, Bovingdon
HP3 0TB
Anvil Close, Flat 1, Yew Tree Drive, Bovingdon
HP3 0TB
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Boxmoor House School — bus stop.
Closest school
0.9 km
St Rose's Catholic Infant School. 15 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
55.2dB
Night-time· 23:00 – 07:00
47.5dB