3a, Chapel Lane, Harston, Cambridge, CB22 7NG
About 3a
3a is a semi-detached house in Harston, Cambridge, Cambridge (CB22 7NG). It has a recorded floor area of 50 m² (around 538 sq ft) and construction records dating it to 1983-1990. At 50 m² this is the smallest unit on EPC record across the building (50–151 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 (65 versus a best of 78). The latest certificate (August 2018) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2017. Between certificates, wall efficiency went from Good to Very Good and roof efficiency went from Average to Good; while hot-water efficiency dropped from Average to Very Poor and main heating dropped from Average to Very Poor. The recommended improvements would push it to C (score 75). Main heating runs on electricity.
At 50 m² it sits well below the postcode median (112 m² across 4 EPCs), making it one of the more compact homes locally.
Energy performance
EPC Rating
Certificate validity
Valid until 19 August 2028
Property Improvements
Changes detected from historical EPC data
Heating system changed
Hot water system changed
Wall insulation improved
Roof insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
3a has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
3a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£203,000
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 3 sales in CB22 7NG: £100,000 (2018–1997).
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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
82/mo
Falling year-on-year across the wider district.
Closest school
0.3 km
Harston and Newton Primary School. 3 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
46.5dB

Night-time· 23:00 – 07:00
40.5dB







