Cosham, Portsmouth Property Price Guide and Insights
Discover Cosham, Portsmouth's 2025 property market: average prices for flats vs. houses, bedroom-count breakdowns, % of homes with gardens or balconies, plus an interactive postcode heatmap.

Houses
Explore our blog for market insights, guides and a sprinkling of our favourite properties!
What is the average price of a house in Cosham, Portsmouth?
The average price for a house in Cosham, Portsmouth is £411k, costing on average £332 per sqft.
Average prices of houses by bedroom count are: £334k for a two-bedroom, £349k for a three-bedroom, £538k for a four-bedroom, and £646k for a five-bedroom.
What share of houses in Cosham, Portsmouth feature gardens and parking?
In Cosham, Portsmouth, 98% of houses have a garden and 91% include parking.
What is the breakdown of property types in Cosham, Portsmouth?
The housing mix in Cosham, Portsmouth is 18% detached, 40% semi-detached, 30% terraced, and 13% other.
What is the most expensive area in Cosham, Portsmouth to buy a home?
The most expensive area to buy a house in Cosham, Portsmouth is PO6, where the average property is £411k.
What is the cheapest area in Cosham, Portsmouth to buy a home?
The cheapest area to buy a house in Cosham, Portsmouth is PO6, where the average property is £411k.
Flats and apartments
Explore our blog for market insights, guides and a sprinkling of our favourite properties!
What is the average price of a flat in Cosham, Portsmouth?
The average price for a flat in Cosham, Portsmouth is £213k, costing on average £282 per sqft.
Average prices of flats by bedroom count are: £164k for a one-bedroom, £230k for a two-bedroom, £190k for a three-bedroom, and N/A for a four-bedroom.
What share of flats in Cosham, Portsmouth feature balconies and parking?
In Cosham, Portsmouth, 40% of flats have a balcony and 92% include parking.
What is the breakdown of lease types in Cosham, Portsmouth?
The leasing mix in Cosham, Portsmouth is 91% leasehold and 9% freehold.
What is the most expensive area in Cosham, Portsmouth to buy a flat?
The most expensive area to buy a flat in Cosham, Portsmouth is PO6, where the average property is £213k.
What is the cheapest area in Cosham, Portsmouth to buy a flat?
The cheapest area to buy a flat in Cosham, Portsmouth is PO6, where the average property is £213k.
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Nearby
Explore our price guides for different nearby postcodes. Each guide provides insights into the local market, average prices, and trends to help you make informed decisions.