20 Addison Road, Northampton, NN3 2LL
About 20 Addison Road
20 Addison Road is a three-bedroom end-of-terrace house in Northampton (NN3 2LL). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1900-1929 and council tax band A. The latest certificate (November 2025) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2022. Between certificates, roof efficiency went from Good to Very Good; while lighting dropped from Very Good to Good. The recommended improvements would lift it to B (score 88), a 2-band jump. This certificate was lodged in the last six months, so the rating reflects current condition.
Most recent transfer was June 2025 at £165,000 — fresh data. Across 2001–2025, sale prices on this property compounded at 5% per year. Today's modelled estimate of £206,000 is 24.8% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£229/sq ft) was about 51.7% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Private gardenFront and rear
- GarageYes
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
Heating controls upgraded for better temperature management
High performance glazing installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
20 Addison Road 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
20 Addison Road has more than tripled in price since its earliest registered sale in 2001.
£206,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 24 years.
£165,000
Growth on file: 5.0% per year over 24 years.
Sales timeline
12 June 2025Most recent
£165,000
+117.1%over 22 years6 August 2002
£76,000
+46.2%over 8 months23 November 2001
£52,000
Median price across the last 5 sales in NN3 2LL: £165,000 (2024–2021).
Nearby sales in NN3 2LL
Versus other Addison Road homes
On years held, 20 Addison Road runs well behind the street norm.
Price per m²
£2,463
Street avg £2,293
Floor Area
67 m²
Street avg 73 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
3.1 t/year
Street avg 3.2 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
Mayfield Road — bus stop.
Closest school
0.4 km
Eastfield Academy. 37 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
51.1dB

Night-time· 23:00 – 07:00
40.2dB







