Porthloo on the map
Location in Isles of ScillyPorthloo sits where the marker shows within the county.
About Porthloo
Porthloo is a small area located on the island of St Mary's in the Isles of Scilly, England. It is situated close to the coast, offering views of the surrounding sea and nearby islands. The postcode area for Porthloo is TR21. This location is primarily residential, with a few local amenities available for residents and visitors alike.
The area is known for its sandy beach, which is popular for leisurely walks and enjoying the coastal scenery. Porthloo also serves as a point of access to various walking paths that lead to other parts of St Mary's. The local community is friendly, and the slower pace of life here provides a pleasant atmosphere for those looking to escape the hustle and bustle of larger towns.
House Prices in Porthloo
Homes sell for an average of £392K locally. Most of the housing is made up of flats, averaging £244K.
Deprivation and Employment in Porthloo
The 2025 Index of Multiple Deprivation places Porthloo around the national average for deprivation. Employment rates locally are in line with what is seen across England. Average incomes in the area are typical for England.
Healthcare in Porthloo
There are 3 GP surgeries within three miles of Porthloo, the nearest being St Mary's Health Centre (0.8 miles away).
Local Data for Porthloo
Dig deeper into the area around Porthloo with our free postcode tools.
Property Prices 198 sales
Schools & Education 2 nearby View all schools
Ofsted ratings for schools in the TR21 postcode area.
Household Income in Porthloo ONS 2023
The average total household income in Porthloo is approximately £41,993 a year before tax, 24% below the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £41,762. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.
Net (after tax) household income averages £41,762.
Businesses in Porthloo ONS 2025
There are approximately 157 active businesses based in Porthloo, around 76 for every 1,000 residents. The local economy is dominated by small firms: about 90% are micro-businesses employing fewer than 10 people, while 4 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.
Deprivation and Employment in Porthloo IMD 2025
Deprivation levels in Porthloo are around the national average based on the 2025 Index of Multiple Deprivation. Employment is accessible for most residents and household incomes reflect the broader national picture. The area maintains a steady balance between affordability and quality of life.
Location
Nearby Towns & Villages 12 found
Local Government
Home Ownership in Porthloo
Of the 939 households in and around Porthloo, 46% are owned, 17% are socially rented and 37% are privately rented. Home ownership here is lower than the England and Wales average of 63%.
Tenure from the 2021 Census (ONS), for the postcode districts covering Porthloo.



