11 Riverside House, Thomas Blake Avenue, Southampton, SO14 5BZ
About 11 Riverside House
11 Riverside House is a two-bedroom mid-terrace house in Southampton (SO14 5BZ). It has a recorded floor area of 66 m² (around 710 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 66 m² this is the 17th 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. Other recorded features include a balcony.
A recent sale: £242,000 in February 2026. Across 2020–2026, sale prices on this property compounded at 1.2% per year.
What this property has
Inside
- Bedrooms2
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- CloakroomYes
- EnsuiteYes
- StudyYes
Outside
- ParkingOff street
- BalconyYes
Building
- LiftYes
Energy performance
11 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
11 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
£247,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.2% per year over 6 years.
£242,000
Growth on file: 1.2% per year over 6 years.
Sales timeline
27 February 2026Most recent
£242,000
+7.6%over 5 years25 March 2020
£225,000
Median price across the last 5 sales in SO14 5BZ: £267,000 (2025–2022).
Nearby sales in SO14 5BZ
21 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
£185,00019 Riverside House, Thomas Blake Avenue, Southampton, SO14 5BZ
Sold Oct 2021
£213,000
Versus other Thomas Blake Avenue homes
11 Riverside House is notably below the street on years held.
Price per m²
£3,667
Street avg £3,697
Floor Area
66 m²
Street avg 59 m²
CO₂ Emissions
0.3 t/year
Street avg 0.3 t/year
Years Held
0 years
Street avg 6 years
Similar properties nearby
1 Riverside House, Thomas Blake Avenue
SO14 5BZ
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1 Glebe Road
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101 Andersons Road
SO14 5FD
103 Andersons Road
SO14 5FD
10 Riverside House, Thomas Blake Avenue
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10 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







