Just talk to them. Such a lot is lost in emails and veiled threats over texts and formal correspondence.
You'll get a feel for whether they are chancers or not. If they're using good builders and you have your arms around exactly what they are proposing to do, why be difficult? Keep things nice, save them money on a surveyor but infer one hand washes the other and they'll do the same for you.
Imply, no? And I think I’d rather a quid pro quo with a paper trail than a casual whatever on the day and a demand for a surveyor when it’s your turn to party.
Just talk to them. Such a lot is lost in emails and veiled threats over texts and formal correspondence.
You'll get a feel for whether they are chancers or not. If they're using good builders and you have your arms around exactly what they are proposing to do, why be difficult? Keep things nice, save them money on a surveyor but infer one hand washes the other and they'll do the same for you.