St Blazey, a town by the old Par estuary
St Blazey is a town and civil parish in Cornwall. Its built-up area had 6,575 residents at the 2021 census. It lies about 3 miles east of St Austell and 1 mile north of Par. The western part of the built-up area is known as St Blazey Gate.
The town takes its name from Saint Blaise. In fact, the civil parish and its town council use the spelling St Blaise. However, Royal Mail uses St Blazey in postal addresses. The town still holds a procession and service on the saint’s feast day, 3 February.
Until the 16th century, the valley below the town was an estuary of the River Par. As a result, St Blazey was the lowest crossing point on the river. The parish church, dedicated to Saint Blaise, was built between 1440 and 1445.
Mining, the canal and the Eden Project
Copper and tin were once mined in and around the parish. More recently, china clay became the main mineral. Par Harbour, which lies within the parish, was developed to move these minerals to sea.
Joseph Treffry built the Par Canal between 1829 and 1835 to link the harbour with the mines. Meanwhile, St Blazey became an important engineering centre for the local mine and railway industries. The Treffry Viaduct and the Luxulyan Valley lie close by, in the neighbouring parish of Luxulyan.
Today the parish is dominated by the Eden Project, which sits in a former quarry. The parish also takes in the hamlet of Bodelva and a short stretch of coastline on St Austell Bay.
What an installation here tends to involve
Every installation starts with a site visit. The installer checks the wall construction, since an older solid wall needs different fixings from a modern cavity wall. They also plan the shortest tidy route for the pipe run.
Some homes in the parish sit close to the coast. Therefore, an installer will look for a spot that shelters the outdoor unit from the worst of the wind. The same visit confirms there is enough space around the unit for airflow.
A stable base matters everywhere. For instance, a wall bracket suits a small yard, while a paved pad works for a more open garden. The drain line and the cable should follow a neat route, so nothing trails across a path. Whether it is a bracket or a pad, our 2026 installation cost guide shows what else moves the price.
Planning questions go to Cornwall Council, which works alongside St Blaise Town Council. For an older or listed property nearby, our guide to listed buildings and conservation areas explains what consent usually involves. Refrigerant work must also be done by an F-Gas certified engineer under UK law. Because of this, ask to see that certificate at the site visit.
Coverage from Truro
St Blazey is about 18.1 miles by road from Truro, around 35 minutes’ drive. In a straight line, the gap is about 16.3 miles. For an address in the city, fitting air conditioning in Truro is the better starting point.
St Austell lies about 3 miles to the west, and our St Austell installation page covers it. Fowey, a port town at the mouth of the River Fowey, has a page too: Fowey air conditioning installation. Each is worth checking if your address sits closer to it.
Getting matched in St Blazey
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Get in touch through the form at /contact/. We will pass your details to one pre-qualified installer covering air conditioning installation work in St Blazey. Since there is no obligation, you can ask questions first and decide afterwards.
Planning check: St Blazey
- CheckConservation areaMore often needs a planning application
- CheckListed buildingsCheck consent before any unit goes on the wall
