5 Cosham Park Avenue, Portsmouth, PO6 3BG
About 5 Cosham Park Avenue
5 Cosham Park Avenue is a semi-detached house in Portsmouth (PO6 3BG). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (August 2014) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in April 2009 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Good, hot-water efficiency went from Very Poor to Good and lighting went from Average to Very Good. The recommended improvements would push it to C (score 80). The latest certificate is from August 2014, so improvements made since then won't be reflected.
Energy performance
5 Cosham Park Avenue's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 07 Aug 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Cavity wall insulation installed
More low energy lighting installed
Planning history
5 Cosham Park Avenue has no planning applications on record.
Notable planning nearby
13applications of note in the surrounding area
We flagged 2 things worth checking at 5 Cosham Park Avenue
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
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
5 Cosham Park Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£303,000
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 3BG: £325,000 (2025–2018).
Nearby sales in PO6 3BG
12 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold Nov 2025
£345,0006 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold Jun 2024
£325,0001 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold May 2021
£326,5009 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold Jan 2018
£305,00010 Cosham Park Avenue, Portsmouth, PO6 3BG
Sold Jan 2016
£245,249
Versus other Cosham Park Avenue homes
5 Cosham Park Avenue outperforms the street on epc rating by a wide margin.
EPC Rating
68 (D)
Street avg 57 (D)
Floor Area
104 m²
Street avg 109 m²
CO₂ Emissions
3.4 t/year
Street avg 5.2 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
High Street — bus stop.
Closest school
0.5 km
Court Lane Infant Academy. 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
55.6dB

Night-time· 23:00 – 07:00
46.1dB







