"The house is worth taking a look at."

..if you're looking to be buying...

Wenn wir eh schon dabei sind, alte Fäden (hier berechtigterweise) zu exhumieren, dann darf

"worth a shufti"

nicht fehlen ;-)

Geschweige denn

"worth a butcher's"

und

worth a dekko

;-)

#4-#7 aren't really the same register as the OP, though, are they? (And may all be BE only, I suspect.)

register, schmegister. Don't be such a spoilsport ;-)

"Win a free holiday on the Costa Brava for exhuming a thread and posting a curious and original continuation!"

(And may all be BE only, I suspect.)

Certainly true for ##5-7; "to take a gander" according to OED comes from the US.