1a, Flat 1, East Street, Northampton, NN1 5JZ
About 1a
1a is an end-of-terrace house in Northampton (NN1 5JZ). It has a recorded floor area of 74 m² (around 797 sq ft) and construction records dating it to 1900-1929. At 74 m² this is the largest unit on EPC record across the building (47–74 m²). On EPC score it ranks first in the building (52 versus a worst of 43). The latest certificate (December 2018) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on electricity.
It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs).
Everything you need to know about 1a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has no mains gas supply, and has solid (non-cavity) walls, 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
49 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.
£148,000
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 NN1 5JZ: £168,000 (2024–2024).
Nearby sales in NN1 5JZ
Versus other East Street homes
On floor area, 1a stands well clear of the street.
EPC Rating
52 (E)
Street avg 58 (D)
Floor Area
74 m²
Street avg 57 m²
CO₂ Emissions
4.6 t/year
Street avg 3.6 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 1a
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
Reported crime in the wider district is trending notably upward year-on-year.
Crime
11/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Melbourne Street — bus stop.
Closest school
0.2 km
Barry Primary School. 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
52.2dB

Night-time· 23:00 – 07:00
42.5dB






