39 Robert Street, Northampton, NN1 3BL
About 39 Robert Street
39 Robert Street is a mid-terrace house in Northampton (NN1 3BL). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (February 2026) shows a C (score 71). When first surveyed in November 2015 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Average and lighting went from Very Poor to Good; while window efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
Untraded for 20 years, with the last transfer in July 2006. At 71 m² it's 27.6% smaller than the typical home in the postcode (98 m² median across 11 EPCs). Its energy rating outperforms most of the postcode (better than 82% of similar EPCs). Across 2005–2006, sale prices on this property compounded at 26.7% per year. Today's modelled estimate of £186,000 is 45.3% above the 2006 sale price. On a £-per-square-foot basis, the last sale (£167/sq ft) was about 47.1% above the typical sold price in the postcode.
Everything you need to know about 39 Robert Street
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
39 Robert 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
39 Robert Street changed hands twice within eighteen months — unusual for the area.
£186,000
Modelled from EPC, postcode comparables and a sale-price growth of 26.7% per year over 1 year.
£128,000
Growth on file: 26.7% per year over 1 year.
Sales timeline
18 July 2006Most recent
£128,000
+26.7%over 8 months4 November 2005
£101,000
Median price across the last 5 sales in NN1 3BL: £225,000 (2024–2021).
Nearby sales in NN1 3BL
Versus other Robert Street homes
EPC Rating for 39 Robert Street runs comfortably ahead of the street norm.
Price per m²
£1,803
Street avg £1,675
Floor Area
71 m²
Street avg 103 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.4 t/year
Street avg 4.9 t/year
Everything you need to know about 39 Robert 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
The data behind every report
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
0.1 km
Police Station — bus stop.
Closest school
0.4 km
Castle Academy. 31 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
53.9dB
Night-time· 23:00 – 07:00
43.9dB