1a, Flat 4, Portland Place, Northampton, NN1 4DH
About 1a
1a is a semi-detached house in Northampton (NN1 4DH). It has a recorded floor area of 103 m² (around 1109 sq ft) and construction records dating it to 2012 onwards. The latest certificate (November 2022) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since April 2012. 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 B (score 83). Main heating runs on electricity.
At 103 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
Certificate validity
Valid until 22 November 2032
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 £885 · 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.
£209,000
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 outperforms the street on floor area by a wide margin.
EPC Rating
75 (C)
Street avg 69 (C)
Floor Area
103 m²
Street avg 59 m²
CO₂ Emissions
3.0 t/year
Street avg 2.3 t/year
Habitable Rooms
4 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 · 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
571/mo
Steady 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