21 Tarncroft, Northampton, NN3 2AN
About 21 Tarncroft
21 Tarncroft is an end-of-terrace house in Northampton (NN3 2AN). It has a recorded floor area of 33 m² (around 355 sq ft), construction records dating it to 1967-1975 and council tax band A. At 33 m² this is the smallest unit on EPC record across the building (33–83 m²). The building's EPC ratings span D to C, with this unit at the top. The latest certificate (October 2024) shows a C (score 69), just inside the C band. When first surveyed in June 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average.
At 33 m² it sits well below the postcode median (74 m² across 19 EPCs), making it one of the more compact homes locally.
Energy performance
21 Tarncroft's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Window efficiency improved
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
21 Tarncroft has no planning applications on record.
But the area is active
22 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Tarncroft has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£117,000
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 NN3 2AN: £130,000 (2024–2013).
Versus other Tarncroft homes
21 Tarncroft is notably below the street on floor area.
EPC Rating
69 (C)
Street avg 70 (C)
Floor Area
33 m²
Street avg 46 m²
CO₂ Emissions
1.5 t/year
Street avg 2.0 t/year
Habitable Rooms
1 rooms
Street avg 2 rooms
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Broadmead Avenue — bus stop.
Closest school
0.2 km
Eastfield Academy. 36 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
48.5dB

Night-time· 23:00 – 07:00
38.3dB







