20a, Cavendish Road, Southsea, PO5 2DG
About 20a
20a is a semi-detached house in Southsea (PO5 2DG). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1900-1929 and council tax band A. At 50 m² this is the 24th smallest of 50 units on EPC record in the building, where floor areas span 32–244 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (February 2023) shows a C (score 73). The rating has held steady at C across 5 certificates since May 2012. Between certificates, wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average.
Know exactly what you're buying at 20a
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
Low energy lighting percentage decreased
Planning history
20a has no planning applications on record.
Notable planning nearby
20applications of note in the surrounding area
We flagged 1 thing worth checking at 20a
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
30-day money-back guarantee
Sales history & valuation
20a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£144,000
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 2DG: £190,000 (2025–2022).
Nearby sales in PO5 2DG
11 Cavendish Road, Southsea, PO5 2DG
Sold Mar 2025
£660,000Flat 2, 15 Cavendish Road, Southsea, PO5 2DG
Sold Dec 2024
£138,000Flat 1, 15 Cavendish Road, Southsea, PO5 2DG
Sold Sept 2023
£190,0006 Cavendish Road, Southsea, PO5 2DG
Sold Sept 2022
£450,000Flat 4, 18 Cavendish Road, Southsea, PO5 2DG
Sold May 2022
£140,000
Everything we know about 20a, 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 Cavendish Road homes
20a outperforms the street on epc rating by a wide margin.
EPC Rating
73 (C)
Street avg 68 (D)
Floor Area
50 m²
Street avg 53 m²
CO₂ Emissions
1.6 t/year
Street avg 2.2 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Crime
11/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Kings Theatre — bus stop.
Closest school
0.4 km
Southsea Infant School. 30 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
52.7dB
Night-time· 23:00 – 07:00
41.3dB