Scaffolding is now being erected around the premises as part of the conservation and refurbishment programme.
As part of the initiative, buildings at 1-3, 206 and 6a-10 New Bridge Street will be transformed; a total of 12 flats and five shops.
All work undertaken will be carried out using traditional methods and materials, and will preserve the historic and architectural significance of the properties.
Immediate works will include the removal of old paint and sealing cracks, rendering, window replacement and new roofing.
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The refurbishment work forms part of the £2.5 million Ayr Townscape Heritage Initiative (THI) – funded by South Ayrshire Council, the Heritage Lottery Fund (HLF), Historic Scotland and owner contributions.
Councillor Bill McIntosh, Leader of South Ayrshire Council, said: "I'm delighted work has begun on the buildings and I'm looking forward to seeing these iconic buildings fully restored to their former glory.
"They're an eye-catching and important part of Ayr's architectural history and will soon once again grace the Gateway to Ayr, giving our town centre a boost as we work to regenerate and adapt to challenging times.
"The exciting transformation of the pink buildings is one way we're driving the wider regeneration of Ayr forward, as we work to deliver a wider and richer mix of retail, residential and entertainment opportunities – all aimed at making the town centre an attractive place to live, work, visit and enjoy."
The Ayr THI work is expected to be completed before the end of 2014.
(JP/CD)
