Homes for Wells provides rented accommodation to 47 families for about 80% of market rate.
A Stormont committee heard Fáilte Ireland, who branded the Wild Atlantic Way on Ireland's west coast, turned down the request.
Councillors are to ask the county council to be able to ban coaches from several streets.
Tourism bosses meet to discuss the future of the sector after a promotion board collapsed in 2025.
Councillor Sarah Preece says "Brand Cornwall" should "be writ large" after Visit Cornwall collapsed.
The BCP Council leader says it is "not fair" the authority is not able to bring in a tourism levy.
The proposed levy would not be used to "plug gaps" in the budget, Cardiff council's leader says.
Visitors to a Cotswolds hotspot are becoming "disillusioned" due to overcrowding, locals say.
London may introduce an overnight tourist levy, potentially raising £240m annually for the city.
