Flat 3, 33 Portsmouth Road, Southampton, SO19 9BA
About Flat 3
Flat 3 is a semi-detached house in Southampton (SO19 9BA). It has a recorded floor area of 30 m² (around 323 sq ft). At 30 m² this is the smallest unit on EPC record across the building (30–83 m²). The building's EPC ratings span E to D, with this unit at the top. On EPC score it ranks first in the building (68 versus a worst of 50). The latest certificate (March 2017) shows a D (score 68), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity.
Today's modelled estimate of £133,000 is 71.9% below the 2020 sale of £472,500, a rare downward gap that often correlates with deferred maintenance or unfinished works. At 30 m² it sits well below the postcode median (43 m² across 25 EPCs), making it one of the more compact homes locally. Most recent transfer: March 2020 at £472,500.
Energy performance
Flat 3's carbon output is low for the local stock.
EPC Rating
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
Flat 3 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£133,000
Modelled from EPC, postcode comparables.
£472,500
Recorded with HM Land Registry.
Sales timeline
23 March 2020Most recent
£472,500
Median price across the last 2 sales in SO19 9BA: £170,500 (2020–2011).
Versus other Portsmouth Road homes
Habitable Rooms for Flat 3 lags the street by a wide margin.
EPC Rating
68 (D)
Street avg 57 (D)
Floor Area
30 m²
Street avg 49 m²
CO₂ Emissions
1.5 t/year
Street avg 2.7 t/year
Habitable Rooms
1 rooms
Street avg 3 rooms
Similar properties nearby
14a Barnfield Flats, Weston Lane
SO19 9PS
14c Barnfield Flats, Weston Lane
SO19 9PS
15a Barnfield Flats, Weston Lane
SO19 9PS
11 Barnfield Flats, Weston Lane
SO19 9PS
14 Barnfield Flats, Weston Lane
SO19 9PS
14b Barnfield Flats, Weston Lane
SO19 9PS
15a, Flat 1, Portsmouth Road
SO19 9BA
1 7, Flat 14, Obelisk Road
SO19 9BL
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







