An estimated 82% of all properties put up for sale this year have already sold subject to contract in Newquay, according to data collected by Rightmove.
Newton-Le-Willows in Merseyside followed, where just under 82% of properties are SSTC, followed by Plymstock in Devon with 81%.
In contrast, there are a number of city centres where around one in five properties are marked SSTC.
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In Birmingham city centre 18% of properties are marked SSTC, and in Liverpool city centre 22% are marked SSTC.
Across Great Britain almost two out of every three properties are currently SSTC, and available stock is down 26% on this time last year, though this does compare to when the housing market was closed in April 2020.
New properties coming up for sale greatly improved in March and were 51% higher than in February, but demand is still outstripping supply in a number of areas.
The study is based on just under 300,000 properties that have come up for sale since the start of 2021.
Tim Bannister, director of property data at Rightmove, said: “Areas around the North and South West are the stand-out seller’s markets right now, and places in Cornwall and Devon are continuing the trend of a desire to move to the seaside and countryside.
“Suburbs are also faring well as some people move further out from the centre of cities. Both sale and rental properties in city centres have been suffering over the past year as the usual appeal to live there has temporarily been taken away, leading to more stock than usual being available, but we may see these start to shift more quickly over the next few months as lockdown restrictions continue to be removed.
“In a traditional year there would be a couple of record days for visits or enquiries being sent by home-hunters, but the pace of the current market caused by a combination of restrictions easing, a desire for more space and people considering different locations, has led to records tumbling week after week.
“Last Wednesday set a record of over 9.3 million visits to Rightmove, and March saw time spent on site surpass two billion minutes in a month for the first time.”