9a, Avon Square, Hemel Hempstead, HP2 6DZ
About 9a
9a is a one-bedroom end-of-terrace house in Hemel Hempstead (HP2 6DZ). It has a recorded floor area of 33 m² (around 355 sq ft), construction records dating it to 1967-1975 and council tax band B. At 33 m² this is the smallest unit on EPC record across the building (33–116 m²). The building's EPC ratings span F to C, with this unit at the top. The latest certificate (July 2024) shows a C (score 71). The rating has held steady at C across 2 certificates since January 2011. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average and window efficiency dropped from Good to Average.
A recent sale: £160,000 in September 2025. At 33 m² it sits well below the postcode median (85 m² across 24 EPCs), making it one of the more compact homes locally. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Across 2012–2025, sale prices on this property compounded at 3.5% per year. On a £-per-square-foot basis, the last sale (£450/sq ft) was about 149.5% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Open-plan layoutYes
Outside
- Private gardenRear
Building
- Heating systemGas
- RefurbishedYes
Energy performance
9a's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 22 July 2034
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Get a survey for this property
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Planning history
9a has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
£160,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.5% per year over 14 years.
£160,000
Growth on file: 3.5% per year over 14 years.
Sales timeline
17 September 2025Most recent
£160,000
+48.1%over 11 years17 January 2014
£108,000
+8.0%over 1 year17 February 2012
£100,000
Median price across the last 5 sales in HP2 6DZ: £352,000 (2025–2022).
Nearby sales in HP2 6DZ
7 Avon Square, Hemel Hempstead, HP2 6DZ
Sold Feb 2025
£362,00035 Avon Square, Hemel Hempstead, HP2 6DZ
Sold Apr 2024
£338,00012 Avon Square, Hemel Hempstead, HP2 6DZ
Sold Oct 2023
£345,00023 Avon Square, Hemel Hempstead, HP2 6DZ
Sold Dec 2022
£352,00036 Avon Square, Hemel Hempstead, HP2 6DZ
Sold Oct 2022
£374,000
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
332/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Avon Square — bus stop.
Closest school
0.3 km
Maple Grove Primary School. 18 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
49.7dB

Night-time· 23:00 – 07:00
39.5dB







