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Get started21a is a mid-terrace house in Hemel Hempstead (HP1 1LA). It has a recorded floor area of 113 m² (around 1216 sq ft) and construction records dating it to 1900-1929. At 113 m² this is the largest unit on EPC record across the building (34–113 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (56 versus a best of 74). The latest certificate (August 2021) shows a D (score 56), a step below the typical UK home. When first surveyed in December 2008 the rating was F, the property has climbed 2 bands since. Between certificates, lighting went from Average to Good and main heating went from Average to Good. The recommended improvements would push it to C (score 76).
At 113 m² the property is well over the postcode median (44 m² across 9 EPCs), placing it in the larger end of the local stock.
21a's carbon output runs well above what efficient homes in the postcode produce.
21a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£386,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
21a is notably below the street on epc rating.
EPC Rating
56 (D)
Street avg 69 (D)
Floor Area
113 m²
Street avg 46 m²
CO₂ Emissions
6.3 t/year
Street avg 2.2 t/year
Crime
16/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
West Herts College — bus stop.

Daytime· 07:00 – 23:00
52.8dB

Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Hot water system upgraded
Window efficiency improved
Wall insulation improved
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Median price across the last 5 sales in HP1 1LA: £355,000 (2024–2018).
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Habitable Rooms
4 rooms
Street avg 2 rooms
HP1 1DR
Closest school
0.4 km
George Street Primary School. 32 schools nearby.
Night-time· 23:00 – 07:00
42.6dB