Website links young composers might find handy:
http://soundandmusic.org/youngcomposerstoolkit – This toolkit is designed to help you find events, competitions, advice, videos and more to help develop your composing skills.
http://composerssite.com/ – The final say in composition competitions on the internet. Here you can find competitions, commissions and residencies for pretty much any age or stage of career.
http://www.soundandmusic.org/learn/summerschool – The Sound and Music Summer School is the only UK residential course of its kind for young composers and an inspiring and intensive week full of collaboration, fun, learning and creativity.
https://birthday.mfy.org.uk/ – Music for Youth is a national festival of young music making, who this year launched a new section for composers called ‘New Music Stage’.
http://www.bcmg.org.uk/ – Birmingham Contemporary Music Group are a professional ensemble that specialise in playing the works of the last hundred years, especially living composers. They run several schemes and projects for young composers, so get involved!
http://www.greatopportunities.org.uk/songwritingandcomposition/ A collection of competitions, opportunities and resources for aspiring songwriters and composers.