23 Duckworth Dell, Northampton, NN3 5DG
About 23 Duckworth Dell
23 Duckworth Dell is a two-bedroom mid-terrace house in Northampton (NN3 5DG). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (November 2016) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2009. Between certificates, roof efficiency went from Average to Good, window efficiency went from Poor to Good and hot-water efficiency went from Average to Good; while wall efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 85), a 2-band jump.
Across 1995–2021, sale prices on this property compounded at 6.9% per year. Today's modelled estimate of £211,000 is 31.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£193/sq ft) was about 77.8% above the typical sold price in the postcode. Last sale on file: £160,000 in April 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- Dining roomYes
Outside
- Private gardenSouth-facing
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Windows upgraded, improving insulation
Loft insulation upgraded to recommended levels
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Planning history
23 Duckworth Dell has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Price for 23 Duckworth Dell has grown more than fourfold since the 1995 starting point.
£211,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.9% per year over 25 years.
£160,000
Growth on file: 6.9% per year over 25 years.
Sales timeline
18 April 2021Most recent
£160,000
+60.0%over 4 years21 December 2016
£100,000
+19.4%over 7 years17 September 2009
£83,775
+11.7%over 6 years5 May 2003
£75,000
+154.2%over 7 years29 November 1995
£29,500
Median price across the last 5 sales in NN3 5DG: £170,000 (2025–2022).
Nearby sales in NN3 5DG
Versus other Duckworth Dell homes
Habitable Rooms for 23 Duckworth Dell lags the street by a wide margin.
Price per m²
£2,078
Street avg £1,603
Floor Area
77 m²
Street avg 83 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
3.6 t/year
Street avg 3.4 t/year
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Spelhoe Street — bus stop.
Closest school
0.7 km
Thorplands Primary School. 26 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
52.3dB

Night-time· 23:00 – 07:00
42.5dB







