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 £309,000 sits 62.6% 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
Certificate validity
Valid until 12 July 2030
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.
£309,000
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
460/mo
Steady 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







