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21 Riverside House, Thomas Blake Avenue, Southampton, SO14 5BZ

3 sales on record
Property type
Mid terrace
Floor top floor
Bedrooms
2
Bathrooms
2
Floor area
73 m²
786 sq ft
Energy rating
C
Score 78
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Overview

About 21 Riverside House

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

21 Riverside House is a two-bedroom mid-terrace house in Southampton (SO14 5BZ). It has a recorded floor area of 73 m² (around 786 sq ft). At 73 m² this is the 21st 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 bottom. Other recorded features include a balcony. The latest certificate (March 2020) shows a C (score 78), near the top of the C band. Main heating runs on electricity: electricity, unspecified tariff.

Most recent transfer was September 2025 at £273,000 — fresh data. At 73 m² it's 25.9% larger than the typical home in the postcode (58 m² median across 25 EPCs). Across 2020–2025, sale prices on this property compounded at 2% per year.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms2
  • Bathrooms2
  • EnsuiteYes

Outside

  • ParkingAllocated
  • BalconyYes

Building

  • Central heatingYes
Before you decide

Everything you need to know about 21 Riverside House

The true value, the hidden risks and the full sale history, in one report.

Environmental risk flagged

Pick your report · from £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

21 Riverside House's carbon output is low for the local stock.

Current Certificate
Mar 2020

EPC Rating

A
B
C
C78
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Electric
Hot Water
Poor
Windows
Very Good
CO2 Emissions
0.7 t/year
Occupancy
—

Certificate validity

Valid until 4 March 2030

3 years remaining
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Top Floor FlatEPC C

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £545 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 Riverside House, Thomas Blake Avenue, Southampton, SO14 5BZ, sourced from the PlanIt planning register.

21 Riverside House has no planning applications on record.

1

But the area is active

1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

Latest sale on 21 Riverside House was the highest on Land Registry record across the postcode.

Current estimate

£276,000

Modelled from EPC, postcode comparables and a sale-price growth of 2.0% per year over 6 years.

See how we calculated this
Last sold (2025)

£273,000

Growth on file: 2.0% per year over 6 years.

Sales timeline

  1. 30 September 2025Most recent

    £273,000

    -0.7%over 10 months

  2. 29 November 2024

    £275,000

    +12.2%over 4 years

  3. 25 March 2020

    £245,000

Median price across the last 5 sales in SO14 5BZ: £213,000 (2026–2021).

On the street

Versus other Thomas Blake Avenue homes

Four headline reads against 25 similar flats on this street, drawn from the latest EPC and Land Registry data.

On years held, 21 Riverside House runs well behind the street norm.

Price per m²

£3,740

Street avg £3,694

Above

Floor Area

73 m²

Street avg 59 m²

Strongly above

CO₂ Emissions

0.7 t/year

Street avg 0.3 t/year

Strongly below

Years Held

1 years

Street avg 6 years

Strongly below
Before you decide

Everything you need to know about 21 Riverside House

The true value, the hidden risks and the full sale history, in one report.

Environmental risk flagged

Pick your report · from £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£221k

1 Riverside House, Thomas Blake Avenue

SO14 5BZ

2 bed1 bath
£207k

1 Chantry House, Albert Road North

SO14 5BU

2 bed2 bath
£170k

1 Hilda Place, Kent Street

SO14 5SP

2 bed1 bath
£274k

1 Glebe Road

SO14 5FJ

3 bed
£305k

101 Andersons Road

SO14 5FD

3 bed2 bath
£317k

103 Andersons Road

SO14 5FD

3 bed2 bath
£190k

10 Riverside House, Thomas Blake Avenue

SO14 5BZ

1 bed1 bath
£174k

10 Chantry House, Albert Road North

SO14 5BU

1 bed1 bath
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Southampton district page.
Full Southampton report

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.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around SO14 5BZ from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for SO14 5BZ

Daytime· 07:00 – 23:00

52.1dB

Low
Night-time road noise heatmap for SO14 5BZ

Night-time· 23:00 – 07:00

43.3dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Riverside House, Thomas Blake Avenue, Southampton, SO14 5BZ. Each answer is also embedded as structured data for search engines.