Harborne are champions of the BodyKraft Midland league and now have their sights set on winning the play-offs next month to gain national league status.
They won their last match on Saturday, 4-2 at home to Olton, to end the league season one point ahead of Chesterfield who consigned Bridgnorth to Midlands One with a 8-0 victory. Mike Griffiths scored a hat-trick for the new champions.
Nottingham, who were relegated from the national league to the regional league a year ago, join Bridgnorth in dropping down. They lost 5-2 at Worcester.
Sutton Coldfield, who finished third from bottom following a 2-2 draw against Lichfield in a crucial relegation zone battle, have to wait until after Easter to know their fate. If Sikh Union Nottingham are relegated to the Midland League from National North as seems likely, Sutton will also drop to Midlands One.
Khalsa celebrated promotion to Midlands Premier by ending the season with an unbeaten record after a 5-3 win at Burton. They are joined in the higher level by Northampton Saints who were promoted from East Midlands Premier last season.
* Cannock's hopes of regaining second place in the Slazenger England League Men's Premier Division were dashed yesterday when they were defeated by a last-minute goal at home to Bowdon.
Trailing 0-2 at the interval, Cannock lost 4-3 after fighting back to lead 3-2 with goals by Richard Lane, Andrew Lang-lands and Gareth Andrew.
Their rivals for runners-up spot, East Grinstead lost 2-1 to champions Reading, but stay a point ahead of them.
In Men's Division One, Bournville came from behind to beat Belper 4-1 with all their goals scored late in the game through Oliver Westbrook, Steve Harding, Tom Rowland and Chris Graham.
The surprise in National North was the defeat of leaders Birmingham University, who went down 2-0 to Leek.
Stourport remain fourth behind Leek after beating Sheffield Hallam Civica 2-1, thanks to two penalty corner goals from Imran Yousaf and Will Pearce and Barford Tigers, who are some distance behind in fifth place, lost 5-2 to Formby. Jeroen Sibia and Sukhvinderjeet Sihota were their scorers.
Telford & Wrekin are still hovering around the relegation zone after a 8-5 defeat to second place Doncaster. Pete Evans scored two of Telford's goals in a 11-minute spell when they scored four goals.
Women's champions Slough were brought down to earth in spirited fashion by Olton and West Warwickshire on Saturday. They lost only their second match of the Premier Division season by a whopping 5-1 margin to the Solihull club.
Denise Marston-Smith was the Olton heroine, having put her side ahead in the first minute and going on to complete a hat-trick. Naomi James and Kerry Moore supported her. It was a perfect response after third-place Olton who lost 7-1 to lowly Poynton last week.
Sutton Coldfield leapfrogged Birmingham University into fourth place in Women's Division One. Vicky Woolford led them to a 3-0 defeat of Barnes Hounslow Ealing with two goals in two minutes mid-way through the first half. Jennifer Parkinson scored the third goal. Meanwhile, Birmingham University lost 1-0 to University of Durham.
National North champions Cannock widened their lead to 15 points with a 2-0 home defeat of Belper. Lucy Spencer and Eleanor Walton were the scorers.
Melanie Keating scored two goals as mid-table Aldridge beat relegationthreatened Cambridge City 3-1.