23 Second Avenue, Cosham, Portsmouth, PO6 3JB
About 23 Second Avenue
23 Second Avenue is a semi-detached house in Cosham, Portsmouth, Portsmouth (PO6 3JB). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (May 2026) shows a C (score 70). When first surveyed in March 2010 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good; while window efficiency dropped from Average to Poor. This certificate was lodged in the last six months, so the rating reflects current condition.
At 77 m² it's 17.2% smaller than the typical home in the postcode (93 m² median across 11 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode.
Everything you need to know about 23 Second Avenue
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
23 Second Avenue ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Certificate validity
Valid until 7 May 2036
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
Single glazing replaced with double or better glazing
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
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Level 2 HomeBuyer Report
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.
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Planning history
23 Second Avenue has no planning applications on record.
But the area is active
13 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
23 Second Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£255,000
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 PO6 3JB: £335,000 (2025–2021).
Nearby sales in PO6 3JB
1 Second Avenue, Cosham, Portsmouth, PO6 3JB
Sold Mar 2025
£345,00020 Second Avenue, Cosham, Portsmouth, PO6 3JB
Sold Feb 2025
£335,0004 Second Avenue, Cosham, Portsmouth, PO6 3JB
Sold Jun 2022
£345,0008 Second Avenue, Cosham, Portsmouth, PO6 3JB
Sold May 2022
£240,0005 Second Avenue, Cosham, Portsmouth, PO6 3JB
Sold Dec 2021
£309,000
Versus other Second Avenue homes
On epc rating, 23 Second Avenue stands well clear of the street.
EPC Rating
70 (C)
Street avg 63 (D)
Floor Area
77 m²
Street avg 93 m²
CO₂ Emissions
2.5 t/year
Street avg 3.7 t/year
Habitable Rooms
4 rooms
Street avg 5 rooms
Everything you need to know about 23 Second Avenue
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
260/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
First Avenue — bus stop.
Closest school
0.2 km
Portsdown Primary School. 22 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
55.7dB
Night-time· 23:00 – 07:00
46.3dB