Harbour Walls Including East and West Wharfs, Inner Jetties and Main Pier is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 22 May 1972. Harbour walls. 6 related planning applications.

Harbour Walls Including East and West Wharfs, Inner Jetties and Main Pier

WRENN ID
endless-postern-auburn
Grade
II
Local Planning Authority
Cornwall
Constituency
St Ives MP: Andrew George (LD)
Country
England
Date first listed
22 May 1972
Type
Harbour walls
Address
Harbour Walls Including East and West Wharfs, Inner Jetties and Main Pier, the Wharf, Porthleven, TR13 9JS
OS grid reference
SW 628 256
Coordinates
50.0839, -5.31692
Source
Historic England listing

Also on this page: related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The harbour walls at Porthleven, including the east and west wharfs, inner jetties, and main pier, were constructed between 1811 and 1825 and extended from 1855 to 1858 for Harveys of Hayle. The structure features a combination of rubble walls and large granite blocks, topped with substantial granite copings. Some of the original iron cramps are still in place, while others have rusted away or been replaced with stainless steel cramps. The site includes several large granite bollards, an inner and outer harbour with retaining slots, and a hoisting derrick that was part of a former barrier to protect the inner harbour. Additionally, there are several flights of granite steps and one slipway.

Local climate

Harbour Walls Including East and West Wharfs, Inner Jetties and Main Pier receives an average of 880 mm of rain a year. This makes it wetter than 65% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.

It experiences an average of 5 freeze-thaw cycles a year, fewer than 97% of listed buildings. Of these, 2 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

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  • No EPC on record for this property
  • No sale records on file
  • Related listed building consents — 6 applications
  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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