46a, Box Lane, Hemel Hempstead, HP3 0DJ
About 46a
46a is a five-bedroom detached house in Hemel Hempstead (HP3 0DJ). It has a recorded floor area of 270 m² (around 2906 sq ft), construction records dating it to 1967-1975 and council tax band H. Tenure is freehold. The latest certificate (October 2019) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2010. Between certificates, roof efficiency went from Average to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 88), a 2-band jump.
At 270 m² it's 19.6% larger than the typical home in the postcode (226 m² median across 26 EPCs). Across 2003–2020, sale prices on this property compounded at 5.3% per year. On a £-per-square-foot basis, the last sale (£602/sq ft) was about 72.6% above the typical sold price in the postcode. Most recent transfer: August 2020 at £1,750,000. One historical planning record sits against the property in 2021.
What this property has
Inside
- Bedrooms5
Building
- TenureFreehold
Energy performance
46a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
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Planning history
1 application on record at 46a, Box Lane, Hemel Hempstead, HP3 0DJ
- Jan 2021FullOutcome in report
First floor to existing single storey outrigger in matching brickwork to accommodate an ensuite bathroom & wardrobe adjoining the master bedroom, including the provision of 1no matching window to the front elevation and the construction of a new pitched roof in matching tiles and eaves at the same height as existing.
- Documents
- 5 docs on file
- Reference
- 20/03544/FHA
Unlock 46a, Box Lane, Hemel Hempstead, HP3 0DJ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 2 notable nearby
- The 5 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Sale price has at least doubled since 2003.
£1,748,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 18 years.
£1,750,000
Growth on file: 5.3% per year over 18 years.
Sales timeline
20 August 2020Most recent
£1,750,000
+59.1%over 12 years25 October 2007
£1,100,000
+57.1%over 4 years10 January 2003
£700,000
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
Price per m² for 46a runs comfortably ahead of the street norm.
Price per m²
£6,481
Street avg £4,536
Floor Area
270 m²
Street avg 228 m²
Habitable Rooms
8 rooms
Street avg 9 rooms
CO₂ Emissions
9.6 t/year
Street avg 9.8 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady 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







