Surveyors · Porthleven, Cornwall
Buying in Porthleven? Here's what the public data says about its homes, and which RICS survey suits them.
Our suggestion for Porthleven
Choose by age in Porthleven: a Level 2 for post-war homes, a Level 3 for period ones. Pick Level 3 for anything pre-1919, listed or much altered; a Level 2 covers a standard post-war or modern house in fair condition.
£362,500 was the middle price of the 55 Porthleven homes sold in 2025; that's up 10% on 2024's £330,000.
| Type | Median |
|---|---|
| detached | £430,000 |
| semi-detached | £365,000 |
| terraced | £271,250 |
Sales mix: terraced 36%, detached 35%, semi-detached 27%, flat/maisonette 2%. TR13. HM Land Registry, 2025, ONS built-up area. Residents: Porthleven built-up area, ONS Census 2021.
30% of the housing stock in these neighbourhoods dates from before 1919 and 28% from before 1900. Expect solid walls rather than cavities, so damp diagnosis needs care: cement renders, plastic paints and raised ground levels trap moisture in walls that were designed to breathe.
Source: VOA, Mar 2025
Historic England lists 28 buildings in and around Porthleven, including Methodist Church And Forecourt Wall, Railings And Gateway (Grade II*). On a listed home, like-for-like repairs with traditional materials are the rule; your surveyor should flag anything that looks unconsented.
List entries: Methodist Church And Forecourt Wall, Railings And Gateway
Source: Historic England
Conservation area here: Porthleven. Permitted development rights are narrower inside a conservation area, so extensions, windows and solar panels may need planning permission.
Source: planning.data.gov.uk
0 of 44 postcodes checked are in Flood Zone 2 or 3, so most of Porthleven sits outside the river and sea flood zones. Low-lying streets and surface water can still catch people out.
Source: Environment Agency
The 1 km radon map square at the centre of Porthleven is class 6: an estimated 30% or more of homes are above the radon Action Level. 100% of the sold postcodes we checked fall in a radon Affected Area. Ask the seller for any radon test result, or test after you move in; remedies are usually straightforward.
Source: UKHSA/BGS
Two Cornish checks to expect: a mining search from your conveyancer, and, for concrete-block houses from before about 1950, a mundic screening test.
Source: UNESCO WHS; RICS
Under most of Porthleven the bedrock is mudstone, siltstone and sandstone (100%). Locally the slates and shales are called killas; rubble-stone and slate-hung walls are typical, and soft stone and old mortar weather over time.
Source: BGS 625k
At roughly 0.1 km from the open sea, exposure matters: check render, chimneys, window seals and metalwork for salt and weather damage.
Source: Natural Earth
Porthleven LSOAs with 2025 sales. VOA, Mar 2025.
For Porthleven sellers, 2025 medians were detached £430,000, semi-detached £365,000, terraced £271,250. Your house isn't an average, so we come and look: the appraisal is free.
Need an EPC in Porthleven? EPCs in Porthleven. Request a quote for your sale or let.
Also covering: Breage. We survey these places too; they don't have a page of their own.
Based on HM Land Registry Price Paid Data, 55 homes sold in Porthleven in 2025 with a median price of £362,500 (up 10% on 2024's £330,000). The most common type sold was terraced (36% of sales).
We carry out RICS Level 2 and Level 3 surveys. Which you need depends on the age and type of the house. 30% of homes in the 3 neighbourhoods where Porthleven homes sold were built before 1919. 28 listed buildings in and around Porthleven, 1 of them Grade I or II*. If in doubt, the chooser on our survey page takes a minute.
Yes, mostly: 100% of the 44 sold postcodes we checked are in an Affected Area, and the central 1 km square is class 6 (30% or more of homes above the Action Level).
Of 44 postcodes in Porthleven with 2025 sales, 0 have their centre in Flood Zone 2 or 3 (rivers and sea) and 0 in Zone 3. Surface water isn't included.
Usually, yes. Mining searches are standard for Cornish purchases. Your conveyancer orders it; a mundic test is a separate check on pre-1950 concrete.
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