I’m not aware of Bamfords selling Doctor Who items before, but their sale next week has twenty-one lots - rivalling any Bonhams auction in recent years.
As usual I have separated the items by Doctor era, and you can see the rest of the items here:
Here are just the lots relating to the Third Doctor era
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Doctor Who - a replica model, Sea Devil, life-size, 198cm high
Sold for £350
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Lot 4021 - Doctor Who - Planet of the Daleks - a Thal space suit costume
Doctor Who - Planet of the Daleks - a Thal space suit costume, worn by Hilary Minster as Marat, originally broadcast 7th April - 12th May 1973, BBC Television Workroom label inscribed in ink, pale caramel quilted fabric
Sold for £1,400
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Doctor Who - The Monster of Peladon - an Ice Warrior costume, 11th Season, originally broadcast 23rd March to 27th April 1974, humanoid form with reptilian skin, 186cm high Provenance: The Prop Store of London
Sold for £2,000
Lot 4030 - Doctor Who - The Official Stage Show - a Tardis
Doctor Who - The Official Stage Show - a Tardis, of painted wooden construction, 226.5cm high, 137cm wide Provenance: Bonhams 2006
Sold for £1,000