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Get started21 Dairy Way is a four-bedroom detached house in Irthlingborough, Wellingborough, Wellingborough (NN9 5TH). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to 2003-2006 and council tax band D. The latest certificate (September 2024) returns a high B (score 87), putting the home a stone's throw from an A rating. When first surveyed in November 2010 the rating was C, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good and lighting went from Poor to Very Good. Records show the property has been extended at some point in its history. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 1.2% per year against 0% for the wider region. Today's modelled estimate of £333,000 is 33.2% above the 2017 sale price. At 106 m² it's 16.5% larger than the typical home in the postcode (91 m² median across 24 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Last sold in September 2017, so it's been off the market for around 9 years.
21 Dairy Way ranks among the most efficient homes in the postcode for energy use.
21 Dairy Way's sale-price growth has lagged the wider UK trajectory across its history on file.
£333,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.2% per year over 11 years.
£250,000
Growth on file: 1.2% per year over 11 years.
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EPC Rating for 21 Dairy Way runs comfortably ahead of the street norm.
Price per m²
£2,358
Street avg £2,437
Floor Area
106 m²
Street avg 96 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
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
0.2 km

Daytime· 07:00 – 23:00
47.6dB

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Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
Solar PV panels (35 kWp) installed
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20 September 2017Most recent
£250,000
+33.3%over 5 years23 March 2012
£187,500
-14.8%over 5 years14 November 2006
£219,950
Median price across the last 5 sales in NN9 5TH: £296,000 (2025–2022).
5 Dairy Way Irthlingborough Wellingborough
Sold Mar 2025
18 Dairy Way Irthlingborough Wellingborough
Sold Sept 2024
46 Dairy Way Irthlingborough Wellingborough
Sold Feb 2024
15 Dairy Way Irthlingborough Wellingborough
Sold Sept 2022
17 Dairy Way Irthlingborough Wellingborough
Sold Aug 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

CO₂ Emissions
1.6 t/year
Street avg 2.8 t/year
NN9 5AR
Ryehill Close — bus stop.
Closest school
1.0 km
Irthlingborough Nursery and Infant School. 9 schools nearby.
Night-time· 23:00 – 07:00
38.6dB