Flat 3, 20 Clarendon Road, Southsea, PO5 2EE
About Flat 3
Flat 3 is a semi-detached house in Southsea (PO5 2EE). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1900-1929 and council tax band A. At 38 m² this is the smallest unit on EPC record across the building (38–102 m²). The building's EPC ratings span E to C across 7 units on file. The latest certificate (June 2020) 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 September 2010. Between certificates, lighting went from Poor to Very Good. The recommended improvements would push it to C (score 75).
At 38 m² it sits well below the postcode median (60 m² across 9 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at Flat 3
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
Flat 3 has no planning applications on record.
Notable planning nearby
20applications of note in the surrounding area
We flagged 1 thing worth checking at Flat 3
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
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Sales history & valuation
Flat 3 has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£143,000
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 PO5 2EE: £250,000 (2023–2004).
Everything we know about Flat 3, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area

Versus other Clarendon Road homes
On floor area, Flat 3 runs well behind the street norm.
EPC Rating
64 (D)
Street avg 65 (D)
Floor Area
38 m²
Street avg 65 m²
CO₂ Emissions
2.0 t/year
Street avg 2.9 t/year
Habitable Rooms
2 rooms
Street avg 3 rooms
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10 12, Flat 7, Clarendon Road
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10 12, Flat 8, Clarendon Road
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The neighbourhood at a glance
Crime
11/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Southsea Shops — bus stop.
Closest school
0.6 km
St Swithun's Catholic Primary School. 26 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
52.9dB

Night-time· 23:00 – 07:00
41.9dB