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Try looking for 24cm chef pans. Base will vary depending on the curve of the sides , though most retailers don't give the base measurement.
Some are more flared than others, but I prefer to the curved edge to the straight ones found in saute pans.Taller sides mean you can use as a sauce pan, less splatter for frying, and use like a wok when needed.
Netherton Foundry do a spun iron 23cm:
https://www.netherton-foundry.co.uk/Chef's-pan?product_id=632I very often use my Tefal Ingenio (detachable handle) stainless 24cm saute pan. Its more of a chef pan because of the height and flare.
Base is approx 21cm.
Difference in cooking area between 22cm and 24cm is approx 1/5th.
22cm to 28cm is almost a doubling in cooking area.