3 Connaught Street, Northampton, NN1 3BP
About 3 Connaught Street
3 Connaught Street is a one-bedroom mid-terrace house in Northampton (NN1 3BP). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to before 1900 and council tax band A. The latest certificate (November 2024) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 5 certificates since April 2009. Between certificates, window efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 69). At 42 m² this is the 3rd smallest of 25 units on EPC record in the building, where floor areas span 38–126 m². The building's EPC ratings span G to C across 25 units on file.
Held since October 2002 — that's 24 years off the open market, well above the local norm. Across 1995–2002, sale prices on this property compounded at 8.9% per year. Today's modelled estimate of £120,000 sits 172.7% above the 2002 sale of £44,000. On a £-per-square-foot basis, the last sale (£97/sq ft) was about 28.7% below the postcode norm. At 42 m² it sits well below the postcode median (81 m² across 24 EPCs), making it one of the more compact homes locally.
What this property has
Inside
- Bedrooms1
Everything you need to know about 3 Connaught Street
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

Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
More low energy lighting installed
Low energy lighting percentage decreased
More low energy lighting installed
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
3 Connaught Street 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
3 Connaught Street's modelled value sits at over four times its earliest registered sale price (1995).
£120,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.9% per year over 7 years.
£44,000
Growth on file: 8.9% per year over 7 years.
Sales timeline
10 October 2002Most recent
£44,000
+37.5%over 2 years1 November 1999
£32,000
+33.3%over 4 years31 August 1995
£24,000
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
Habitable Rooms for 3 Connaught Street lags the street by a wide margin.
EPC Rating
62 (D)
Street avg 64 (D)
Floor Area
42 m²
Street avg 47 m²
CO₂ Emissions
2.6 t/year
Street avg 2.2 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
Everything you need to know about 3 Connaught Street
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






