20a, Flat 6, St Edmunds Road, Northampton, NN1 5EA
About 20a
20a is a detached house in Northampton (NN1 5EA). It has a recorded floor area of 54 m² (around 581 sq ft) and construction records dating it to 2003-2006. At 54 m² this is the largest unit on EPC record across 20a (52–54 m²). On EPC score it ranks last in the building (75 versus a best of 80). The latest certificate (June 2026) shows a C (score 75), near the top of the C band. Earlier certificates rated it B (November 2009); the latest reading is one band lower. Between certificates, roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
Energy performance
20a's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 25 June 2036
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
20a has no planning applications on record.
But the area is active
47 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20a 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 3 sales in NN1 5EA: £120,000 (2015–2005).
Versus other St Edmunds Road homes
20a outperforms the street on floor area by a wide margin.
EPC Rating
75 (C)
Street avg 77 (C)
Floor Area
54 m²
Street avg 53 m²
CO₂ Emissions
1.5 t/year
Street avg 1.5 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Crime
571/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Abington Square — bus stop.
Closest school
0.4 km
Vernon Terrace Primary School. 30 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
53.7dB

Night-time· 23:00 – 07:00
43.3dB







