12 Riverside House, Thomas Blake Avenue, Southampton, SO14 5BZ
About 12 Riverside House
12 Riverside House is a mid-terrace house in Southampton (SO14 5BZ). It has a recorded floor area of 64 m² (around 689 sq ft). The latest certificate (March 2020) returns a B (score 83), comfortably above the UK average. Main heating runs on electricity: electricity, unspecified tariff. At 64 m² this is the 14th smallest of 24 units on EPC record in the building, where floor areas span 48–73 m². The building's EPC ratings span C to B, with this unit at the top.
Sold March 2020 for £240,000.
Energy performance
12 Riverside House's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 4 March 2030
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Planning history
12 Riverside House has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£238,000
Modelled from EPC, postcode comparables.
£240,000
Recorded with HM Land Registry.
Sales timeline
24 March 2020Most recent
£240,000
Median price across the last 5 sales in SO14 5BZ: £267,000 (2026–2022).
Nearby sales in SO14 5BZ
11 Riverside House, Thomas Blake Avenue, Southampton, SO14 5BZ
Sold Feb 2026
£242,00021 Riverside House, Thomas Blake Avenue, Southampton, SO14 5BZ
Sold Sept 2025
£273,00022 Riverside House, Thomas Blake Avenue, Southampton, SO14 5BZ
Sold Apr 2025
£205,0009 Riverside House, Thomas Blake Avenue, Southampton, SO14 5BZ
Sold Aug 2022
£267,0006 Riverside House, Thomas Blake Avenue, Southampton, SO14 5BZ
Sold Jan 2022
£185,000
Versus other Thomas Blake Avenue homes
On price per m², 12 Riverside House stands well clear of the street.
Price per m²
£3,750
Street avg £3,693
Floor Area
64 m²
Street avg 59 m²
CO₂ Emissions
0.3 t/year
Street avg 0.3 t/year
Years Held
6 years
Street avg 5 years
Similar properties nearby
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10 The Compass
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1 Riverside House, Thomas Blake Avenue
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1 Riverside Quay, Thomas Blake Avenue
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102 Andersons Road
SO14 5FD
1 Howell Close
SO14 5AD
1 Chantry House, Albert Road North
SO14 5BU
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
413/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Anglesea Terrace — bus stop.
Closest school
0.5 km
Hope Community School Southampton. 29 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
52.1dB

Night-time· 23:00 – 07:00
43.3dB







