1a, Flat 4, Derby Road, Northampton, NN1 4JU
About 1a
1a is an end-of-terrace house in Northampton (NN1 4JU). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to 1996-2002. The latest certificate (April 2025) shows a C (score 79), near the top of the C band. The rating has held steady at C across 2 certificates since June 2015. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while main heating dropped from Average to Poor. Main heating runs on electricity.
Energy performance
EPC Rating
Certificate validity
Valid until 9 April 2035
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
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
1a has no planning applications on record.
But the area is active
65 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
1a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£137,000
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.
Versus other Derby Road homes
On epc rating, 1a stands well clear of the street.
EPC Rating
79 (C)
Street avg 74 (C)
Floor Area
45 m²
Street avg 52 m²
CO₂ Emissions
2.1 t/year
Street avg 2.3 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
0.0 km
Racecourse Pavillion — bus stop.
Closest school
0.4 km
Stimpson Avenue Academy. 34 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
51.3dB

Night-time· 23:00 – 07:00
41.5dB







