17 21, Flat 2 Charnwood Court, Charnwood Avenue, Northampton, NN3 3DX
About 17 21
17 21 is a mid-terrace house in Northampton (NN3 3DX). It has a recorded floor area of 71 m² (around 764 sq ft) and construction records dating it to 1983-1990. At 71 m² this is the 3rd smallest of 6 units on EPC record in 17 21, where floor areas span 61–86 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (October 2014) shows a C (score 72). The latest certificate is from October 2014, so improvements made since then won't be reflected.
Everything you need to know about 17 21
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
17 21's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 01 Oct 2024
EPC Rating
Certificate validity
Expired on 1 October 2024
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Level 2 HomeBuyer Report
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Planning history
17 21 has no planning applications on record.
But the area is active
7 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
17 21 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£172,000
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 3DX: £217,500 (2025–2014).
Nearby sales in NN3 3DX
45 Charnwood Avenue, Northampton, NN3 3DX
Sold Jun 2025
£218,00041 Charnwood Avenue, Northampton, NN3 3DX
Sold Dec 2020
£198,00039 Charnwood Avenue, Northampton, NN3 3DX
Sold Feb 2020
£217,50029 Charnwood Avenue, Northampton, NN3 3DX
Sold Dec 2017
£220,00047 Charnwood Avenue, Northampton, NN3 3DX
Sold May 2014
£152,000
Versus other Charnwood Avenue homes
On habitable rooms, 17 21 runs well behind the street norm.
EPC Rating
72 (C)
Street avg 70 (C)
Floor Area
71 m²
Street avg 70 m²
CO₂ Emissions
2.1 t/year
Street avg 2.7 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Everything you need to know about 17 21
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Crime
461/mo
Falling year-on-year across the wider district.
Nearest stop
0.0 km
Charnwood Avenue — bus stop.
Closest school
0.4 km
Weston Favell Academy. 28 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
54.3dB
Night-time· 23:00 – 07:00
44.3dB