31b, Portsmouth Road, Southampton, SO19 9BA
About 31b
31b is a detached house in Southampton (SO19 9BA). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1976-1982 and council tax band A. The latest certificate (February 2019) shows an E (score 50), well below the UK norm with real room to improve. When first surveyed in October 2008 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average, lighting went from Poor to Very Good and main heating went from Poor to Average. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity. At 42 m² this is the 8th smallest of 26 units on EPC record in the building, where floor areas span 29–83 m². The building's EPC ratings span E to C, with this unit at the bottom.
Everything you need to know about 31b
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation upgraded
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
31b has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
31b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£133,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 3 sales in SO19 9BA: £175,000 (2020–2011).
Versus other Portsmouth Road homes
CO₂ Emissions for 31b lags the street by a wide margin.
EPC Rating
50 (E)
Street avg 57 (D)
Floor Area
42 m²
Street avg 49 m²
CO₂ Emissions
4.1 t/year
Street avg 2.6 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 31b
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Johns Road — bus stop.
Closest school
0.5 km
St Patrick's Catholic Primary School. 28 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
51.5dB
Night-time· 23:00 – 07:00
41.2dB