30a, Flat C, High Street, Irthlingborough, Wellingborough, NN9 5TN
About 30a
30a is a mid-terrace house in Irthlingborough, Wellingborough, Wellingborough (NN9 5TN). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 2007 onwards and council tax band A. At 70 m² this is the smallest unit on EPC record across 30a (70–81 m²). The building's EPC ratings span E to D, with this unit at the top. On EPC score it ranks first in the building (59 versus a worst of 51). The latest certificate (March 2026) shows a D (score 59), a step below the typical UK home. The rating has held steady at D across 6 certificates since June 2009. Between certificates, hot-water efficiency went from Very Poor to Poor, lighting went from Very Poor to Very Good and main heating went from Poor to Average; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 77). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
Energy performance
30a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency improved
More low energy lighting installed
Roof insulation improved
Heating system upgraded to a more efficient system
Heating controls changed
Hot water efficiency decreased
More low energy lighting installed
Hot water efficiency improved
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
30a has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
30a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£135,000
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 NN9 5TN: £218,500 (2024–2021).
Nearby sales in NN9 5TN
62 High Street, Irthlingborough, Wellingborough, NN9 5TN
Sold Oct 2024
£218,50036 42, High Street, Irthlingborough, Wellingborough, NN9 5TN
Sold Nov 2022
£300,00052a, High Street, Irthlingborough, Wellingborough, NN9 5TN
Sold Apr 2021
£175,00046 High Street, Irthlingborough, Wellingborough, NN9 5TN
Sold Mar 2021
£269,70046c, High Street, Irthlingborough, Wellingborough, NN9 5TN
Sold Mar 2021
£65,000
Versus other High Street homes
On co₂ emissions, 30a stands well clear of the street.
EPC Rating
59 (D)
Street avg 57 (D)
Floor Area
70 m²
Street avg 66 m²
CO₂ Emissions
1.3 t/year
Street avg 3.8 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
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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
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Scarborough Street — bus stop.
Closest school
0.1 km
Irthlingborough Junior School. 7 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
49.9dB

Night-time· 23:00 – 07:00
40.6dB







