20 Conyngham Road, Northampton, NN3 9TA
About 20 Conyngham Road
20 Conyngham Road is a four-bedroom detached house in Northampton (NN3 9TA). It has a recorded floor area of 116 m² (around 1249 sq ft), construction records dating it to 1976-1982 and council tax band E. The latest certificate (July 2025) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2015. Between certificates, roof efficiency went from Poor to Average and lighting went from Poor to Very Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 73). Other recorded features include a conservatory. Records show the property has been extended at some point in its history.
Across 2003–2015, sale prices on this property compounded at 3.2% per year. Today's modelled estimate of £408,000 sits 55.4% above the 2015 sale of £262,500. On a £-per-square-foot basis, the last sale (£210/sq ft) was about 20.9% above the typical sold price in the postcode. Last sold in December 2015, so it's been off the market for around 10 years.
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Dining roomYes
- EnsuiteYes
- ConservatoryYes
Outside
- GarageSingle
Building
- Previously extendedYes
Everything you need to know about 20 Conyngham Road
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
20 Conyngham Road has no planning applications on record.
But the area is active
12 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
20 Conyngham Road valuation sits well clear of the typical sold price in this postcode.
£408,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.2% per year over 13 years.
£262,500
Growth on file: 3.2% per year over 13 years.
Sales timeline
21 December 2015Most recent
£262,500
+50.0%over 12 years28 February 2003
£175,000
Median price across the last 5 sales in NN3 9TA: £385,000 (2025–2024).
Nearby sales in NN3 9TA
Versus other Conyngham Road homes
20 Conyngham Road is notably below the street on habitable rooms.
Price per m²
£2,263
Street avg £2,261
Floor Area
116 m²
Street avg 124 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
5.0 t/year
Street avg 5.2 t/year
Everything you need to know about 20 Conyngham Road
The true value, the hidden risks and the full sale history, in one report.
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One time fee only - money back guarantee

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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Little Billing Way — bus stop.
Closest school
0.4 km
Northampton Academy. 23 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
55.8dB

Night-time· 23:00 – 07:00
46.0dB






