1a, Swanmore Avenue, Southampton, SO19 1BL
About 1a
1a is a detached house in Southampton (SO19 1BL). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1950-1966 and council tax band A. At 44 m² this is the smallest unit on EPC record across the building (44–159 m²). The building's EPC ratings span F to B across 24 units on file. The latest certificate (May 2013) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2009. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 75). The latest certificate is from May 2013, so improvements made since then won't be reflected.
At 44 m² it sits well below the postcode median (79 m² across 23 EPCs), making it one of the more compact homes locally.
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Energy performance
1a's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 27 May 2023
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Window efficiency improved
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
1a 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
1a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£136,000
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 5 sales in SO19 1BL: £275,000 (2025–2024).
Nearby sales in SO19 1BL
24 Swanmore Avenue, Southampton, SO19 1BL
Sold Oct 2025
£275,00025 Swanmore Avenue, Southampton, SO19 1BL
Sold Jun 2025
£290,00032 Swanmore Avenue, Southampton, SO19 1BL
Sold Jan 2025
£355,00010 Swanmore Avenue, Southampton, SO19 1BL
Sold Jul 2024
£248,75030 Swanmore Avenue, Southampton, SO19 1BL
Sold Nov 2023
£345,000
Everything you need to know about 1a
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Crime
12/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Landseer Road — bus stop.
Closest school
0.4 km
Valentine Primary School & Nursery. 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
51.1dB
Night-time· 23:00 – 07:00
40.3dB