12 Coniston Avenue, Northampton, NN3 2AG
About 12 Coniston Avenue
12 Coniston Avenue is a three-bedroom semi-detached house in Northampton (NN3 2AG). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (August 2016) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 85), a 2-band jump. The latest certificate is from August 2016, so improvements made since then won't be reflected. Other recorded features include a conservatory.
A recent sale: £275,000 in October 2025. Across the public record there are 4 sales, relatively high churn for a single property. Across 2001–2025, sale prices on this property compounded at 4.9% per year. On a £-per-square-foot basis, the last sale (£272/sq ft) was about 44.1% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- ConservatoryYes
Outside
- Private gardenRear
- GarageYes
Building
- Heating systemGas
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 10 Aug 2026
EPC Rating
Certificate validity
Expired on 10 August 2026
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Planning history
12 Coniston Avenue has no planning applications on record.
But the area is active
22 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on 12 Coniston Avenue was the highest on Land Registry record across the postcode.
£268,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.9% per year over 24 years.
£275,000
Growth on file: 4.9% per year over 24 years.
Sales timeline
5 October 2025Most recent
£275,000
+29.1%over 9 years25 September 2016
£213,000
+20.3%over 9 years2 March 2007
£177,000
+105.8%over 5 years15 July 2001
£85,995
Median price across the last 5 sales in NN3 2AG: £225,000 (2021–2018).
Nearby sales in NN3 2AG
1 Coniston Avenue, Northampton, NN3 2AG
Sold Mar 2021
£236,0006 Coniston Avenue, Northampton, NN3 2AG
Sold Dec 2019
£225,0002 Coniston Avenue, Northampton, NN3 2AG
Sold Oct 2019
£235,00022 Coniston Avenue, Northampton, NN3 2AG
Sold Dec 2018
£217,50018 Coniston Avenue, Northampton, NN3 2AG
Sold Aug 2018
£250,000
Versus other Coniston Avenue homes
Price per m² for 12 Coniston Avenue runs comfortably ahead of the street norm.
Price per m²
£2,926
Street avg £2,017
Floor Area
94 m²
Street avg 87 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
4.3 t/year
Street avg 3.5 t/year
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
461/mo
Falling year-on-year across the wider district.
Nearest stop
0.3 km
Highlands Avenue — bus stop.
Closest school
0.3 km
Eastfield Academy. 36 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
49.7dB

Night-time· 23:00 – 07:00
39.4dB







