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Get started21 Main Street is a four-bedroom detached house in Little Harrowden, Wellingborough, Wellingborough (NN9 5BA). It has a recorded floor area of 115 m² (around 1242 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (March 2011) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 60). The latest certificate is from March 2011, so improvements made since then won't be reflected. Period features are noted in the property record. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 7.5% per year against 0% for the wider region. Today's modelled estimate of £366,000 is 10.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£266/sq ft) was about 51% above the typical sold price in the postcode. Most recent transfer: March 2021 at £330,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. At 115 m² it's 26.7% larger than the typical home in the postcode (91 m² median across 30 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs).
21 Main Street's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 18 Mar 2021
Price for 21 Main Street has grown more than fourfold since the 1999 starting point.
£366,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 21 years.
£330,000
Growth on file: 7.5% per year over 21 years.
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On price per m², 21 Main Street stands well clear of the street.
Price per m²
£2,860
Street avg £2,330
Floor Area
115 m²
Street avg 106 m²
Habitable Rooms
6 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
45.5dB

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25 March 2021Most recent
£330,000
+34.1%over 14 years26 May 2006
£246,000
+53.8%over 5 years2 March 2001
£160,000
+128.6%over 1 year1 November 1999
£70,000
Median price across the last 5 sales in NN9 5BA: £370,000 (2025–2021).
23 Main Street Little Harrowden Wellingborough
Sold Jul 2025
109 Main Street Little Harrowden Wellingborough
Sold Jul 2023
79 Main Street Little Harrowden Wellingborough
Sold Jun 2023
101 Main Street Little Harrowden Wellingborough
Sold May 2022
149 Main Street Little Harrowden Wellingborough
Sold Sept 2021
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

Street avg 5 rooms
CO₂ Emissions
6.4 t/year
Street avg 5.3 t/year
NN9 5AR
Working Mens Club — bus stop.
Closest school
0.1 km
Little Harrowden Community Primary School. 4 schools nearby.
Night-time· 23:00 – 07:00
38.9dB