11 Connaught Street, Northampton, NN1 3BP
About 11 Connaught Street
11 Connaught Street is a mid-terrace house in Northampton (NN1 3BP). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (August 2023) shows a D (score 66), on the cusp of jumping into the C band. The rating has held steady at D across 5 certificates since March 2009. Between certificates, wall efficiency went from Very Poor to Poor and roof efficiency went from Very Poor to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 87), a 2-band jump.
One historical planning record sits against the property in 2015.
Everything you need to know about 11 Connaught Street
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
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Heating system changed
Hot water efficiency improved
Loft insulation upgraded to recommended levels
Low energy lighting percentage decreased
Upgraded to gas central heating
Hot water efficiency decreased
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
1 application on record at 11 Connaught Street, Northampton, NN1 3BP
- Mar 2015RenovationFullOutcome in report
Installation of external wall insulation to rear.
- Documents
- 19 docs on file
- Reference
- N/2015/0017
Unlock 11 Connaught Street, Northampton, NN1 3BP's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 42 notable nearby
- The 19 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
11 Connaught Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£163,000
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 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 11 Connaught Street lags the street by a wide margin.
EPC Rating
66 (D)
Street avg 57 (D)
Floor Area
78 m²
Street avg 85 m²
CO₂ Emissions
3.4 t/year
Street avg 4.9 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Everything you need to know about 11 Connaught Street
The true value, the hidden risks and the full sale history, in one report.
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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






