9a, Flat 4, High Street, Hemel Hempstead, HP1 3AA
About 9a
9a is an end-of-terrace house in Hemel Hempstead (HP1 3AA). It has a recorded floor area of 25 m² (around 269 sq ft) and construction records dating it to 1900-1929. The latest certificate (January 2025) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in May 2011 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Average to Very Good and window efficiency went from Very Poor to Good. The recommended improvements would push it to C (score 74). Main heating runs on electricity.
At 25 m² it sits well below the postcode median (46 m² across 30 EPCs), making it one of the more compact homes locally.
Everything you need to know about 9a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
Single glazing replaced with double or better glazing
Loft insulation upgraded to recommended levels
More low energy lighting installed
Window efficiency improved
Wall insulation improved
Roof insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
9a has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
9a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£162,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
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.
Median price across the last 5 sales in HP1 3AA: £200,000 (2022–2016).
Nearby sales in HP1 3AA
7b, High Street, Hemel Hempstead, HP1 3AA
Sold May 2022
£367,500Flat 5, 31 High Street, Hemel Hempstead, HP1 3AA
Sold Jun 2021
£200,000Flat 1, 23 High Street, Hemel Hempstead, HP1 3AA
Sold Jul 2020
£180,00031a, High Street, Hemel Hempstead, HP1 3AA
Sold May 2019
£1,00039a, High Street, Hemel Hempstead, HP1 3AA
Sold Sept 2016
£896,500
Versus other High Street homes
On floor area, 9a runs well behind the street norm.
EPC Rating
64 (D)
Street avg 60 (D)
Floor Area
25 m²
Street avg 58 m²
CO₂ Emissions
2.1 t/year
Street avg 3.3 t/year
Habitable Rooms
1 rooms
Street avg 3 rooms
Everything you need to know about 9a
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
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The neighbourhood at a glance
Crime
16/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Fensomes Alley — bus stop.
Closest school
0.3 km
George Street Primary School. 34 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
53.4dB
Night-time· 23:00 – 07:00
43.1dB