40b, Box Lane, Hemel Hempstead, HP3 0DJ
About 40b
40b is a detached house in Hemel Hempstead (HP3 0DJ). It has a recorded floor area of 175 m² (around 1884 sq ft), construction records dating it to 1950-1966 and council tax band G. The latest certificate (September 2015) shows a C (score 71). The recommended improvements would push it to B (score 82). The latest certificate is from September 2015, so improvements made since then won't be reflected.
Today's modelled estimate of £1,237,000 is 33.7% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£491/sq ft) was about 41.2% above the typical sold price in the postcode. On the market in December 2015 and unlisted since — roughly 11 years. At 175 m² it's 22.9% smaller than the typical home in the postcode (227 m² median across 29 EPCs).
Energy performance
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Sept 2025
EPC Rating
Certificate validity
Expired on 17 September 2025
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Planning history
40b 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
40b valuation sits well clear of the typical sold price in this postcode.
£1,237,000
Modelled from EPC, postcode comparables.
£925,000
Recorded with HM Land Registry.
Sales timeline
17 December 2015Most recent
£925,000
Median price across the last 5 sales in HP3 0DJ: £1,270,000 (2024–2021).
Nearby sales in HP3 0DJ
56 Box Lane, Hemel Hempstead, HP3 0DJ
Sold Oct 2024
£1,270,00016 Box Lane, Hemel Hempstead, HP3 0DJ
Sold Feb 2022
£1,550,00032 Box Lane, Hemel Hempstead, HP3 0DJ
Sold Jun 2021
£1,910,0001 The Pines, Box Lane, Hemel Hempstead, HP3 0DJ
Sold May 2021
£1,085,00022 Box Lane, Hemel Hempstead, HP3 0DJ
Sold Apr 2021
£1,072,000
Versus other Box Lane homes
Floor Area for 40b lags the street by a wide margin.
Price per m²
£5,286
Street avg £4,389
Floor Area
175 m²
Street avg 229 m²
Habitable Rooms
10 rooms
Street avg 9 rooms
CO₂ Emissions
5.6 t/year
Street avg 9.7 t/year
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
211/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Sheethanger Common — bus stop.
Closest school
1.4 km
Pixies Hill Primary School. 11 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
47.1dB

Night-time· 23:00 – 07:00
40.5dB







