12 James Street, Irchester, Wellingborough, NN29 7BL
About 12 James Street
12 James Street is a semi-detached house in Irchester, Wellingborough, Wellingborough (NN29 7BL). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1950-1966 and council tax band B. At 46 m² this is the 3rd smallest of 12 units on EPC record in the building, where floor areas span 44–125 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (September 2024) shows a C (score 74). The rating has held steady at C across 3 certificates since July 2010. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average.
At 46 m² it sits well below the postcode median (95 m² across 11 EPCs), making it one of the more compact homes locally.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Roof insulation improved
More low energy lighting installed
More low energy lighting installed
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Planning history
12 James Street has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12 James Street has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£146,000
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 NN29 7BL: £237,500 (2025–2021).
Nearby sales in NN29 7BL
24 James Street, Irchester, Wellingborough, NN29 7BL
Sold May 2025
£285,5008 James Street, Irchester, Wellingborough, NN29 7BL
Sold Feb 2025
£125,00032 James Street, Irchester, Wellingborough, NN29 7BL
Sold May 2023
£237,50018 James Street, Irchester, Wellingborough, NN29 7BL
Sold Mar 2023
£290,0003 James Street, Irchester, Wellingborough, NN29 7BL
Sold Nov 2020
£255,000
Versus other James Street homes
Floor Area for 12 James Street runs comfortably ahead of the street norm.
EPC Rating
74 (C)
Street avg 72 (C)
Floor Area
46 m²
Street avg 45 m²
CO₂ Emissions
1.6 t/year
Street avg 1.7 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
1 Barringers Court, Irchester
NN29 7AY
1 Chapel Hill, Irchester
NN29 7AS
1 Berrill Street, Irchester
NN29 7DT
1 3, Townwell Lane, Irchester
NN29 7AH
1 Austin Close, Irchester
NN29 7AX
1 Bradshaw Way, Irchester
NN29 7DN
1 Bull Close, Bozeat
NN29 7LR
1 Alfred Street, Irchester
NN29 7DR
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.4 km
Vicarage — bus stop.
Closest school
0.5 km
Irchester Community Primary School. 5 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
47.4dB

Night-time· 23:00 – 07:00
38.5dB







