I don't think the British had a tricycle gear transport plane until the Handley Page Hermes.
The original HP68 Hermes I had a tailwheel when it first flew and crashed in Dec 1945. Development effort then shifted to the HP67 Hastings version for the RAF. It was the HP81 Hermes IV version that got a tricycle landing gear, and first flew on 5 Sept 1948. It entered airline service with BOAC in Aug 1950.
The Hermes was Built to meet the 1944 Air Ministry Specification for a Pressurised Civil Transport capable of carrying 34 1st-Class or 50 Tourist-Class Passengers, at the same time as the RAF requi…
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But the first British tricycle airliner I can think of was the De Havilland Dove which first flew on 25 Sept 1945, entered service in Dec 1946 and remained in production until 1967.
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Meanwhile the Airspeed Ambassador had flown with a tricycle undercarriage on 10 July 1947, although it didn't enter airline service with BEA until March 1952.
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And the Vickers Viscount that first flew in July 1948
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Then we have the huge Bristol Brabazon that first flew in Sept 1949 being overtaken by the advent of the jet airliner.
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And the jet De Havilland Comet that first flew in July 1949 and entered airline service in May 1952
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Not forgetting the Avro Canada C102 Jetliner that first flew in Aug 1949 but never went beyond the prototype stage.
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De Havilland Australia also developed the 3 engined tricycle DHA-3 Drover from 1946. First flight 23 Jan 1948
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There are a few others in this period IIRC. AW Apollo, Miles Marathon
The origins of most of the early post-war British airliners lies with the Brabazon Committee that was set up in late 1942.
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