Around £348,500 for the typical house, and that single figure does nobody much good. Terraces sit well below it. Detached houses sit well above it. The number in the middle describes almost nothing you will actually find for sale. What you pay here depends less on the address than on which end of the market you end up bidding into.
In the year to May 2026, the Land Registry recorded 80 sales across the area at a median of about £348,500. By type, detached houses ran at about £430,000, semi-detached at about £350,000, and terraces at about £245,000. Detached and terraced each accounted for 33 of those sales, with semis at 13, so the market is mostly its own two extremes with very little sitting between them. The cottage everyone pictures when they think of a harbour is the cheap end, which is exactly why it never stays on the market long.
The published house price index for the area put the average at about £279,700 as of May 2026, up about 4% across the preceding twelve months. Flats went the other way over the same period, down by less than half a percent. That is a published change for the index area rather than a forecast, and a fall that small is a flat line with a bad attitude rather than a story.
Council tax lands low, which is the one bill that behaves itself. Band C is the most common band, and about 35% of dwellings sit in bands A or B. For a comparison against your own bill, a band D property in this area runs to about £2,590 a year.
Renting cannot be pinned to the village on its own, because the published measure covers the county. Typical private rent across the Cornwall area was about £1,000 a month as of April 2026, and that is a mean from the Office for National Statistics rent index rather than a median of what happens to be advertised this week. By size, one-bedroom homes average about £690 a month, two-bedroom about £880, three-bedroom about £1,080, and four or more about £1,510.
Affordability is where the harbour view starts billing you. Modelled median household income across the area was about £49,600 gross, before tax, for the financial year to March 2023, which is a picture of that year rather than of today. Set that beside a typical sale near £348,500 and the local buyer on local money is not the one winning these houses. The people buying are, in the main, arriving with the proceeds of somewhere else.
Measured by floor space, sales in the area worked out at about £3,850 per square metre across the sales that could be matched to an energy certificate's floor area, which is roughly 48% of them. The typical matched home came in at 77 square metres. Small, old, and priced by the view rather than by the room count.
The bedroom mix from the 2021 Census explains the search results: about 43% of households are in three-bedroom homes, 28% in two-bedroom, 23% in four or more, and only about 6% in one-bedroom. If the plan is a one-bedroom bolthole near the water, the plan is competing for a thin slice of the housing stock against everyone else who had the same idea on the same weekend away.
On cost, Porthleven is middling. It is not the eye-watering end of coastal Cornwall, and a terrace here remains genuinely reachable, but nothing about the numbers makes this a bargain, and the gap between what the area earns and what the area sells for is the whole reason the terraces move fastest.