11 Duckworth Dell, Northampton, NN3 5DG
About 11 Duckworth Dell
11 Duckworth Dell is a mid-terrace house in Northampton (NN3 5DG). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1976-1982 and council tax band A. The latest certificate (February 2023) shows a C (score 70). When first surveyed in August 2012 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average, hot-water efficiency went from Poor to Good and lighting went from Average to Very Good. The recommended improvements would push it to B (score 87).
Across 1997–2023, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £194,000 is 17.6% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£174/sq ft) was about 72.3% above the typical sold price in the postcode. Last sale on file: £165,000 in October 2023.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Heating controls upgraded for better temperature management
Hot water system upgraded
Roof insulation improved
Roof insulation improved
More low energy lighting installed
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Planning history
11 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
11 Duckworth Dell has more than quadrupled in price since its earliest registered sale in 1997.
£194,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 27 years.
£165,000
Growth on file: 6.4% per year over 27 years.
Sales timeline
10 October 2023Most recent
£165,000
+3.1%over 2 years18 December 2020
£160,000
+28.0%over 12 years11 February 2008
£125,000
+257.1%over 8 years15 December 1999
£35,000
+11.1%over 2 years17 January 1997
£31,500
Median price across the last 5 sales in NN3 5DG: £170,000 (2025–2021).
Nearby sales in NN3 5DG
Versus other Duckworth Dell homes
11 Duckworth Dell is notably below the street on years held.
Price per m²
£1,875
Street avg £1,617
Floor Area
88 m²
Street avg 83 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.4 t/year
Similar properties nearby
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







