Flat 9, 89 Semilong Road, Northampton, NN2 6DG
About Flat 9
Flat 9 is a mid-terrace house in Northampton (NN2 6DG). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 2003-2006 and council tax band A. The latest certificate (October 2022) returns a B (score 81), comfortably above the UK average. When first surveyed in June 2011 the rating was C, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good. At 47 m² this is the 10th smallest of 24 units on EPC record in the building, where floor areas span 43–57 m². The building's EPC ratings span C to B, with this unit at the top.
Its energy rating outperforms most of the postcode (better than 87% of similar EPCs).
Everything you need to know about Flat 9
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Flat 9's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
Floor insulation added or improved
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Flat 9 has no planning applications on record.
But the area is active
37 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Flat 9 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£118,000
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 NN2 6DG: £235,000 (2025–2024).
Nearby sales in NN2 6DG
Versus other Semilong Road homes
On epc rating, Flat 9 stands well clear of the street.
EPC Rating
81 (B)
Street avg 71 (C)
Floor Area
47 m²
Street avg 51 m²
CO₂ Emissions
1.1 t/year
Street avg 2.4 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about Flat 9
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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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
27/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Arnold Road — bus stop.
Closest school
0.4 km
Northampton International Academy. 33 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
49.9dB

Night-time· 23:00 – 07:00
40.6dB






