1 3 The Light Box, Duke Street, Northampton, NN1 3BA
About 1 3 The Light Box
1 3 The Light Box is a three-bedroom mid-terrace house in Northampton (NN1 3BA). It has a recorded floor area of 72 m² (around 775 sq ft) and construction records dating it to 1996-2002. The latest certificate (September 2020) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2010. Between certificates, lighting went from Very Poor to Very Good and main heating went from Poor to Average; while window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 80). Main heating runs on electricity.
Held since May 2011 — that's 15 years off the open market, well above the local norm. Across 2003–2011, sale prices on this property compounded at -2.2% per year. Today's modelled estimate of £200,000 sits 53.8% above the 2011 sale of £130,000.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Everything you need to know about 1 3 The Light Box
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
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
1 3 The Light Box 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
1 3 The Light Box saw 3 transfers in just over a decade — high turnover for the postcode.
£200,000
Modelled from EPC, postcode comparables and a sale-price growth of -2.2% per year over 8 years.
£130,000
Growth on file: -2.2% per year over 8 years.
Sales timeline
2 May 2011Most recent
£130,000
-0.6%over 5 years1 May 2006
£130,750
-15.6%over 3 years1 April 2003
£155,000
Median price across the last 5 sales in NN1 3BA: £175,000 (2025–2024).
Nearby sales in NN1 3BA
Church S Factory, Flat 16, 10 Duke Street, Northampton, NN1 3BA
Sold Aug 2025
£161,7501 4 The Light Box, Duke Street, Northampton, NN1 3BA
Sold Jun 2025
£190,000Church S Factory, Flat 3, 10 Duke Street, Northampton, NN1 3BA
Sold Mar 2025
£144,000Church S Factory, Flat 19, 10 Duke Street, Northampton, NN1 3BA
Sold Oct 2024
£175,000Church S Factory, Flat 10, 10 Duke Street, Northampton, NN1 3BA
Sold Jul 2024
£175,000
Versus other Duke Street homes
On epc rating, 1 3 The Light Box stands well clear of the street.
EPC Rating
64 (D)
Street avg 54 (E)
Floor Area
72 m²
Street avg 77 m²
CO₂ Emissions
5.3 t/year
Street avg 6.2 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 1 3 The Light Box
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
1 Louise Road
NN1 3RP
1 Poole Street
NN1 3EX
10 Burns Street
NN1 3QE
1 Robert Street
NN1 3BL
1 The Accurate Boot, 19 Hood Street
NN1 3QS
1 Oakley Street
NN1 3EP
1 Alcombe Terrace
NN1 3LD
1 4 The Light Box, Duke Street
NN1 3BA
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
0.3 km
Police Station — bus stop.
Closest school
0.4 km
Northampton International Academy. 29 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
52.9dB

Night-time· 23:00 – 07:00
43.0dB






