About 12 First Avenue
12 First Avenue is a property in Cosham, Portsmouth, Portsmouth (PO6 3JH). It has council tax band B.
Energy performance
No EPC on record
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
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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.
Planning history
No planning applications are recorded against 12 First Avenue, Cosham, Portsmouth, PO6 3JH. The full report also covers planning activity across the surrounding area.
Sales history & valuation
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 3JH: £300,000 (2026–2018).
Nearby sales in PO6 3JH
22 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Feb 2026
£303,00020 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Nov 2022
£313,5007 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Jul 2022
£300,0002 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Dec 2020
£259,0009 First Avenue, Cosham, Portsmouth, PO6 3JH
Sold Sept 2018
£270,000
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
0.3 km
Portsdown Primary School. 22 schools nearby.
Road noise across the postcode

Daytime· 07:00 – 23:00
55.4dB

Night-time· 23:00 – 07:00
45.9dB