1 Washington House, 26 Old Redbridge Road, Southampton, SO15 0NJ
About 1 Washington House
1 Washington House is a semi-detached house in Southampton (SO15 0NJ). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (July 2020) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in June 2010 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Average to Good. The recommended improvements would lift it to B (score 85), a 2-band jump.
Across 2015–2021, sale prices on this property compounded at 1.4% per year. Today's modelled estimate of £305,000 sits 60.5% above the 2021 sale of £190,000. Sold June 2021 for £190,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
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Planning history
1 Washington House has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£305,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.4% per year over 6 years.
£190,000
Growth on file: 1.4% per year over 6 years.
Sales timeline
3 June 2021Most recent
£190,000
+8.6%over 5 years3 September 2015
£175,000
Median price across the last 5 sales in SO15 0NJ: £330,000 (2025–2024).
Nearby sales in SO15 0NJ
32 Old Redbridge Road, Southampton, SO15 0NJ
Sold Mar 2025
£256,00028 Old Redbridge Road, Southampton, SO15 0NJ
Sold Oct 2024
£330,00010 Old Redbridge Road, Southampton, SO15 0NJ
Sold Jul 2024
£2,500,00044 Old Redbridge Road, Southampton, SO15 0NJ
Sold Jan 2024
£380,00034 Old Redbridge Road, Southampton, SO15 0NJ
Sold Jan 2024
£300,000
Versus other Old Redbridge Road homes
Price per m² for 1 Washington House lags the street by a wide margin.
Price per m²
£1,792
Street avg £2,310
Floor Area
106 m²
Street avg 117 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
4.5 t/year
Street avg 5.6 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Redbridge (Hants) Rail Station — railway station.
Closest school
0.4 km
Redbridge Community School. 21 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
58.0dB

Night-time· 23:00 – 07:00
52.6dB







