At 99manos.es, we are seeing that “price per m²” for roof-tile installation can mean very different things depending on the quote. Some prices cover only laying the tiles, while others include battens, waterproofing, ridge work, cuts, access or removal of the old roof.
For a services marketplace, the product lesson is that comparable pricing requires a shared definition of what one square metre actually includes. Structured briefs can help users specify the expected scope before professionals respond, making quote comparison much more reliable. Here is the full guide for Spain: