Architects provide a professional service that involves their time, like that of an engineer or lawyer.
How much this will cost will depend on the type of project and the level of involvement you require from your Architect and the amount of time to be spent on the project.
Generally there are 3 ways an Architect may charge, a lump sum calculated on the expected work required, an hourly rate or a percentage of the contract sum.
At The Workplace Architects, we usually charge an initial consultation fee after which we provide a written scope of works showing the breakdown of services provided their associated costs and when payment would be expected. This means there will be no unexpected hidden costs to the client.
When choosing an Architect, like with most things, the cheapest is not always the best option to go for. Make sure you know fully what you are paying for and that it is appropriate for your needs.