1a, Connaught Street, Northampton, NN1 3BP
About 1a
1a is a mid-terrace house in Northampton (NN1 3BP). It has a recorded floor area of 48 m² (around 517 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (March 2017) shows an E (score 50), well below the UK norm with real room to improve. Earlier certificates rated it C (October 2011); the latest reading is 2 bands lower. Between certificates, wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to B (score 82), a 3-band jump.
At 48 m² it sits well below the postcode median (81 m² across 24 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Today's modelled estimate of £169,000 is 34.1% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£244/sq ft) was about 99.3% above the typical sold price in the postcode. 9 years since the last transfer (June 2017).
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 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
42 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
1a valuation sits well clear of the typical sold price in this postcode.
£169,000
Modelled from EPC, postcode comparables.
£126,000
Recorded with HM Land Registry.
Sales timeline
26 June 2017Most recent
£126,000
Median price across the last 5 sales in NN1 3BP: £161,000 (2024–2021).
Nearby sales in NN1 3BP
13 Connaught Street, Northampton, NN1 3BP
Sold Jul 2024
£160,00030 Connaught Street, Northampton, NN1 3BP
Sold Jul 2023
£161,000Top Flat, 3 Connaught Street, Northampton, NN1 3BP
Sold Jul 2022
£117,5007 Connaught Street, Northampton, NN1 3BP
Sold Mar 2022
£197,0005 Connaught Street, Northampton, NN1 3BP
Sold Oct 2021
£198,000
Versus other Connaught Street homes
Floor Area for 1a lags the street by a wide margin.
Price per m²
£2,625
Street avg £1,764
Floor Area
48 m²
Street avg 87 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.0 t/year
Street avg 4.8 t/year
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

Similar properties nearby
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
0.2 km
Police Station — bus stop.
Closest school
0.4 km
Castle Academy. 30 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
53.6dB

Night-time· 23:00 – 07:00
43.7dB






