15 Duchy Close, Chelveston, Wellingborough, NN9 6AW
About 15 Duchy Close
15 Duchy Close is a three-bedroom detached house in Chelveston, Wellingborough, Wellingborough (NN9 6AW). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (March 2022) shows a C (score 72). The recommended improvements would push it to B (score 85). Our model identifies extension potential, subject to local planning policy.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Across 2005–2022, sale prices on this property compounded at 4.4% per year. On a £-per-square-foot basis, the last sale (£321/sq ft) was about 74.8% above the typical sold price in the postcode. Last sale on file: £352,000 in October 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- GarageYes
Building
- Extension potentialPossible
Energy performance
EPC Rating
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 £955 · Includes VAT
Planning history
15 Duchy Close has 2 separate extension applications on the council record.
2 applications on record at 15 Duchy Close, Chelveston, Wellingborough, NN9 6AW
- Nov 2002ExtensionFullOutcome in report
Extension: Two storey
Two storey extension.
- Reference
- 02/00778/FUL
- More recent applications — locked
- ConservatoryAug 2003Decision
Unlock 15 Duchy Close, Chelveston, Wellingborough, NN9 6AW's full planning history
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- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications 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
Sale price has at least doubled since 2005.
£354,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.4% per year over 18 years.
£352,000
Growth on file: 4.4% per year over 18 years.
Sales timeline
17 October 2022Most recent
£352,000
+95.6%over 16 years17 September 2006
£180,000
+9.1%over 1 year18 March 2005
£165,000
Median price across the last 5 sales in NN9 6AW: £357,500 (2025–2020).
Nearby sales in NN9 6AW
19 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
£385,00028 Duchy Close, Chelveston, Wellingborough, NN9 6AW
Sold Oct 2020
£357,500
Versus other Duchy Close homes
15 Duchy Close outperforms the street on epc rating by a wide margin.
Price per m²
£3,451
Street avg £2,700
Floor Area
102 m²
Street avg 115 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.4 t/year
Street avg 4.5 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
3/mo
Steady 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







