Oh No, It's Selwyn Froggitt: Gala Performance.

It's Gala Day in Scarsdale and the committee have left Selwyn to do all the work whilst they sup the ale but they get their comeuppence in the end with a runaway British Railways trolley.
British (Yorkshire Television) situation comedy from the 1970s starring Bill Maynard as Selwyn; he later played Claude Jeremiah Greengrass in "Heartbeat". Bill was also a singer, check out his version of "I'm Not A Pheasant Plucker I'm A Pheasant Plucker's Son And I'm Only Plucking Pheasants 'Til The Pheasant Plucker Comes".
Also featured as committee member Jack is Bill Dean who went on to have a long run in the Channel 4 soap opera "Brookside" and Richard Davies as Clive who previously appeared as teacher Mr Price in the ITV situation comedy "Please Sir".