47a, High Street, Irchester, Wellingborough, NN29 7AA
About 47a
47a is a detached house in Irchester, Wellingborough, Wellingborough (NN29 7AA). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 1976-1982 and council tax band A. At 41 m² this is the smallest unit on EPC record across the building (41–252 m²). The building's EPC ratings span F to B, with this unit at the top. The latest certificate (October 2024) returns a B (score 82), comfortably above the UK average. When first surveyed in June 2009 the rating was G, the property has climbed 5 bands since. Between certificates, wall efficiency went from Poor to Good, window efficiency went from Poor to Average and lighting went from Very Poor to Very Good. The recommended improvements would push it to A (score 102). Main heating runs on electricity.
At 41 m² it sits well below the postcode median (109 m² across 33 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode. One planning record on file: new windows approved in 2004. Past consents include new windows, meaningful when judging how the property has evolved.
Energy performance
47a ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water system changed
Windows upgraded, improving insulation
Cavity wall insulation installed
Floor insulation added or improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
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 application on record at 47a, High Street, Irchester, Wellingborough, NN29 7AA
- Mar 2004FullOutcome in report
Conversion of ground floor flat from retail to residential use and refurbishment of 1st floor flat including new entrance steps on rear and replacement of windows.
New Windows- Reference
- WP/2004/0061
Unlock 47a, High Street, Irchester, Wellingborough, NN29 7AA'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- Every decision — granted, refused or withdrawn (1 on record)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 2 notable nearby
- What the pattern means for extending or converting here
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Sales history & valuation
47a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£142,000
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 7AA: £260,000 (2025–2024).
Nearby sales in NN29 7AA
75 High Street, Irchester, Wellingborough, NN29 7AA
Sold Jul 2025
£250,0007 High Street, Irchester, Wellingborough, NN29 7AA
Sold Jul 2025
£195,00073 High Street, Irchester, Wellingborough, NN29 7AA
Sold Mar 2025
£260,000123 High Street, Irchester, Wellingborough, NN29 7AA
Sold Mar 2025
£700,00075c, High Street, Irchester, Wellingborough, NN29 7AA
Sold May 2024
£655,000
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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
0.1 km
St Katherines Church — bus stop.
Closest school
0.2 km
Irchester Community Primary School. 3 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
48.6dB

Night-time· 23:00 – 07:00
40.0dB







