Ships in the class had a displacement of 545 long tons (554 t), a top speed of 12 knots (22 km/h; 14 mph) and a crew of 40 men.

The trawlers were armed with a QF 12-pounder [76 mm (3.0 in)] gun, three 20 mm Oerlikon anti-aircraft guns and thirty depth charges.

The class was nearly identical to the Isles-class trawlers, of which they are usually considered a subclass.

By the end of that year, only Hamlet and Macbeth remained in service with the Royal Navy; both were sold in 1947.

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