16 Duchy Close, Chelveston, Wellingborough, NN9 6AW
About 16 Duchy Close
16 Duchy Close is a detached house in Chelveston, Wellingborough, Wellingborough (NN9 6AW). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (April 2024) shows a C (score 74). The rating has held steady at C across 2 certificates since September 2013. Between certificates, window efficiency went from Average to Good and lighting went from Good to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to B (score 91).
At 148 m² the property is well over the postcode median (102 m² across 15 EPCs), placing it in the larger end of the local stock. A recent sale: £445,000 in April 2026. One planning record on file: an extension approved in 2004. Past consents include an extension and a porch, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£279/sq ft) was about 52.3% above the typical sold price in the postcode.
Energy performance
EPC Rating
Certificate validity
Valid until 15 April 2034
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
More low energy lighting installed
Solar PV panels (25 kWp) installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
1 application on record at 16 Duchy Close, Chelveston, Wellingborough, NN9 6AW
- Dec 2004PorchFullOutcome in report
Extension: Single storey
Proposed rear porch and first floor extension with alterations to garage
Extension- Reference
- 04/02202/FUL
Unlock 16 Duchy Close, Chelveston, Wellingborough, NN9 6AW's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- What the pattern means for extending or converting here
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Sales history & valuation
16 Duchy Close valuation sits well clear of the typical sold price in this postcode.
£443,000
Modelled from EPC, postcode comparables.
£445,000
Recorded with HM Land Registry.
Sales timeline
22 April 2026Most recent
£445,000
Median price across the last 5 sales in NN9 6AW: £305,000 (2026–2023).
Nearby sales in NN9 6AW
21 Duchy Close, Chelveston, Wellingborough, NN9 6AW
Sold Feb 2026
£305,00019 Duchy Close, Chelveston, Wellingborough, NN9 6AW
Sold Aug 2025
£270,00023 Duchy Close, Chelveston, Wellingborough, NN9 6AW
Sold Feb 2025
£275,0003 Duchy Close, Chelveston, Wellingborough, NN9 6AW
Sold Aug 2023
£485,00022 Duchy Close, Chelveston, Wellingborough, NN9 6AW
Sold May 2023
£385,000
Versus other Duchy Close homes
On years held, 16 Duchy Close runs well behind the street norm.
Price per m²
£3,007
Street avg £2,910
Floor Area
148 m²
Street avg 110 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
3.1 t/year
Street avg 4.3 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
159/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Water Lane — bus stop.
Closest school
2.1 km
Stanwick Primary School. 2 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
47.8dB

Night-time· 23:00 – 07:00
40.2dB







