1a, Flat 3, Portland Place, Northampton, NN1 4DH
About 1a
1a is a semi-detached house in Northampton (NN1 4DH). It has a recorded floor area of 71 m² (around 764 sq ft) and construction records dating it to 2012 onwards. The latest certificate (November 2022) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2012); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Very Poor. The recommended improvements would push it to C (score 77). Main heating runs on electricity.
At 71 m² the property is well over the postcode median (52 m² across 60 EPCs), placing it in the larger end of the local stock.
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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls changed
Hot water system changed
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.
£151,000
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 4DH: £175,000 (2025–2020).
Nearby sales in NN1 4DH
40 Portland Place, Northampton, NN1 4DH
Sold Apr 2025
£125,0003 Portland Place, Northampton, NN1 4DH
Sold Sept 2022
£210,00044 Portland Place, Northampton, NN1 4DH
Sold Mar 2022
£105,00010 Portland Place, Northampton, NN1 4DH
Sold Apr 2021
£175,0002 Portland Place, Northampton, NN1 4DH
Sold Sept 2020
£180,000
Versus other Portland Place homes
1a is notably below the street on co₂ emissions.
EPC Rating
66 (D)
Street avg 70 (C)
Floor Area
71 m²
Street avg 59 m²
CO₂ Emissions
3.3 t/year
Street avg 2.3 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
The data behind every report
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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
Grove Road — bus stop.
Closest school
0.4 km
Vernon Terrace 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
52.9dB
Night-time· 23:00 – 07:00
42.5dB