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Get started6 Duchy Close is a four-bedroom detached house in Chelveston, Wellingborough, Wellingborough (NN9 6AW). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (February 2020) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2010. Between certificates, window efficiency went from Poor to Average and lighting went from Very Poor to Average. The recommended improvements would lift it to B (score 85), a 2-band jump.
It hasn't traded since October 2003, a hold of 23 years that's notably long for the area. Sale prices here have outpaced England HPI: 18.7% per year against 0% for the wider region. Today's modelled estimate of £332,000 sits 101.8% above the 2003 sale of £164,500. On a £-per-square-foot basis, the last sale (£127/sq ft) was about 34.4% below the postcode norm. At 120 m² it's 17.6% larger than the typical home in the postcode (102 m² median across 15 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
Sale price has at least doubled since 1999.
£332,000
Modelled from EPC, postcode comparables and a sale-price growth of 18.7% per year over 4 years.
£164,500
Growth on file: 18.7% per year over 4 years.
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6 Duchy Close outperforms the street on years held by a wide margin.
Price per m²
£1,371
Street avg £2,889
Floor Area
120 m²
Street avg 114 m²
Habitable Rooms
7 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
0.1 km

Daytime· 07:00 – 23:00
47.8dB

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Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
24 October 2003Most recent
£164,500
+100.6%over 4 years30 September 1999
£82,000
Median price across the last 5 sales in NN9 6AW: £352,000 (2025–2022).
19 Duchy Close Chelveston Wellingborough
Sold Aug 2025
23 Duchy Close Chelveston Wellingborough
Sold Feb 2025
3 Duchy Close Chelveston Wellingborough
Sold Aug 2023
22 Duchy Close Chelveston Wellingborough
Sold May 2023
15 Duchy Close Chelveston Wellingborough
Sold Oct 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

Street avg 6 rooms
CO₂ Emissions
4.7 t/year
Street avg 4.4 t/year
NN9 6JG
Water Lane — bus stop.
Closest school
2.1 km
Stanwick Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
40.2dB