Controversial plans for a new service station, hotel and offices as well as 150 new homes have been rejected by councillors who blasted the scheme's design.
One councillor said the plans were "hideous", while another claimed his nine-year-old granddaughter could have done a better job.
It follows a campaign by residents living near to the proposed site West of Lancaster Park in Morpeth, who had argued the plans were not in keeping with local planning policy.
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At Tuesday's meeting of Northumberland County Council's strategic planning committee, members heard that developers Euro Garages and Persimmon Homes had the benefit of outline permission for the site, which was secured six years ago.
However, residents and councillors felt the plans for the service station, hotel and innovation centre were too different from what was originally proposed. There was particular anger that a promised "innovation centre" had been reduced to seven units of office space.
Speaking at the meeting, Morpeth councillor David Bawn said: "The pub is gone. We've gone down to 40 rooms from 60 at the hotel. It is a barely serviced, cheap motorway hotel. That's a significant reduction in potential jobs.
"The 'cutting edge innovation centre', no matter how you slice it, is seven small, bog-standard separate commercial units that could never support more than a handful of jobs at best.
"This was sold as an extraordinary development bringing hundreds of jobs. What is now coming forward is a depressingly ordinary and dreary development, with only a handful of jobs."
The council's director of planning, Rob Murfin, warned members that the differences in the scheme were not enough to base refusal on, but members also took issue with the scheme's design.
Coun Barry Flux said: "I don't like the design - in fact I hate it. It looks like the kind of thing you would see on the M1 near Northampton. That's not far from where I grew up, and I got away from there!
"It is a hideous design."
Coun Gordon Stewart added: "I have a nine-year-old granddaughter who could design better than this. Northumberland deserves better than this, the people of Morpeth deserve far better."
The proposals for the service station, hotel and innovation centre were voted down by 13 votes to one. The separate application for 150 homes required the approval of the service station to provide an access route, and therefore it was decided to refuse permission for that development too.
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