23 Austin Street, Northampton, NN1 3EY
About 23 Austin Street
23 Austin Street is a two-bedroom mid-terrace house in Northampton (NN1 3EY). 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 (April 2026) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 3 certificates since December 2014. Between certificates, hot-water efficiency went from Average to Good; while roof efficiency dropped from Poor to Very Poor and window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 77). This certificate was lodged in the last six months, so the rating reflects current condition.
Untraded for 18 years, with the last transfer in November 2008. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Across 2003–2008, sale prices on this property compounded at 3.7% per year. Today's modelled estimate of £166,000 sits 58.1% above the 2008 sale of £105,000.
What this property has
Inside
- Bedrooms2
Building
- Heating systemGas
- RefurbishedYes
Everything you need to know about 23 Austin Street
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 19 April 2036
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Roof insulation improved
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
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
23 Austin Street has no planning applications on record.
But the area is active
39 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£166,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 5 years.
£105,000
Growth on file: 3.7% per year over 5 years.
Sales timeline
26 November 2008Most recent
£105,000
+20.7%over 5 years24 September 2003
£87,000
Median price across the last 5 sales in NN1 3EY: £167,000 (2026–2023).
Nearby sales in NN1 3EY
Versus other Austin Street homes
Habitable Rooms for 23 Austin Street lags the street by a wide margin.
Price per m²
£1,346
Street avg £1,666
Floor Area
78 m²
Street avg 81 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
3.5 t/year
Street avg 4.3 t/year
Everything you need to know about 23 Austin Street
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

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The neighbourhood at a glance
Crime
571/mo
Steady year-on-year across the wider district.
Nearest stop
0.4 km
NIA Academy — bus stop.
Closest school
0.5 km
Northampton International Academy. 32 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
51.9dB

Night-time· 23:00 – 07:00
42.2dB






