Cambridge City have failed in their appeal to the Football Association against the club's enforced relegation from Blue Square South.
City will compete in the BGB Southern Premier Division next season after their Milton Road home failed to earn the FA's Ground Grading Category B.
It had been hoped that last year's High Court dispute over the ownership of the ground would be taken as mitigation.
The decision means Weston-super-Mare are reprieved from relegation.
City's Milton Road ground fell short of the 'Category B' rating required of all Blue Square sides owing to a lack of terracing behind both goals and inadequate turnstile facilities.
Fans' director Rab Crangle admitted he was disappointed with the ruling, but added that the club had no choice other than to accept the FA's decision.
"It was obviously disappointing, but we had a fair hearing from the FA"
"We have been subject to the rules and the decisions of the league.
"Anyone who goes to Milton Road knows that it's a very good ground in comparison to other grounds in the league."
Clubs throughout non-league were handed a deadline of 31 March to get their facilities up to scratch, although City had the added concern of fighting a legal battle with their landlords Ross River.
The Lilywhites only won the right to remain at Milton Road until 2010 last autumn, and the club argued the court action left them with no time or money to improve the ground.
"We made the case that legal action left us in the position that we were unable to confirm until the end of the court case that we would definitely be at Milton Road," Crangle said.
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Nevertheless, despite this latest setback, the club are optimistic for next season with boss Gary Roberts and several key players already signed up for the new campaign.
Crangle said: "Gary is 100% staying with the club, we have signed players up and we can at the very least look to a very good season next year in the Southern League.
"Cambridge City goes forward - the only disappointment is that we go forward this season in the Southern League rather than the Conference South."
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