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Get started19 Duchy Close is a three-bedroom detached house in Chelveston, Wellingborough, Wellingborough (NN9 6AW). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (June 2019) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump.
Sale prices here have outpaced England HPI: 5.6% per year against 0.1% for the wider region. On a £-per-square-foot basis, the last sale (£288/sq ft) was about 64.8% above the typical sold price in the postcode. Most recent transfer was August 2025 at £270,000 — fresh data. One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. At 87 m² it's 17.9% smaller than the typical home in the postcode (106 m² median across 15 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
19 Duchy Close has an approved side and rear extension on the planning record.
Extension: Side and rear of property
Two storey side and single storey rear extension
Price for 19 Duchy Close has grown more than fourfold since the 1997 starting point.
£271,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.6% per year over 28 years.
£270,000
Growth on file: 5.6% per year over 28 years.
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19 Duchy Close is notably below the street on years held.
Price per m²
£3,103
Street avg £2,732
Floor Area
87 m²
Street avg 116 m²
Habitable Rooms
5 rooms
Street avg 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
0.1 km

Daytime· 07:00 – 23:00
47.8dB

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26 August 2025Most recent
£270,000
+360.8%over 27 years19 September 1997
£58,600
Median price across the last 5 sales in NN9 6AW: £357,500 (2025–2020).
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
28 Duchy Close Chelveston Wellingborough
Sold Oct 2020
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
3.5 t/year
Street avg 4.5 t/year
NN9 6FB
Water Lane — bus stop.
Closest school
2.1 km
Stanwick Primary School. 2 schools nearby.
Night-time· 23:00 – 07:00
40.2dB