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Get started21 Emerald Way is a semi-detached house in Irthlingborough, Wellingborough, Wellingborough (NN9 5GU). It has a recorded floor area of 106 m² (around 1141 sq ft). The latest certificate (October 2020) returns a high B (score 85), putting the home a stone's throw from an A rating. The recommended improvements would push it to A (score 95).
Today's modelled estimate of £314,000 is 12.1% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£245/sq ft) was about 16.5% below the postcode norm. Most recent transfer: December 2020 at £279,995.
21 Emerald Way's carbon output is low for the local stock.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£314,000
Modelled from EPC, postcode comparables.
£279,995
Recorded with HM Land Registry.
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On price per m², 21 Emerald Way runs well behind the street norm.
Price per m²
£2,641
Street avg £3,141
Floor Area
106 m²
Street avg 97 m²
CO₂ Emissions
1.5 t/year
Street avg 1.5 t/year
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

Daytime· 07:00 – 23:00
48.9dB

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11 December 2020Most recent
£279,995
Median price across the last 5 sales in NN9 5GU: £305,000 (2025–2023).
11 Emerald Way Irthlingborough Wellingborough
Sold Jul 2025
1 Emerald Way Irthlingborough Wellingborough
Sold Dec 2024
17 Emerald Way Irthlingborough Wellingborough
Sold Apr 2024
8 Emerald Way Irthlingborough Wellingborough
Sold Jan 2024
23 Emerald Way Irthlingborough Wellingborough
Sold Sept 2022
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

Years Held
5 years
Street avg 4 years
NN9 5XY
Nene Park NHS Clinic — bus stop.
Closest school
1.1 km
Irthlingborough Junior School. 7 schools nearby.
Night-time· 23:00 – 07:00
41.5dB