Complex sentence: Partly as a result of changes the presenters, for 2009 series the garden was relocated to former playing-field at Egbaston in Birmingham; this garden was given the name "Greenacre".
Split into simpler sentences: Partly as a result of changes the presenters, for 2009 series the garden was relocated to Egbaston in Birmingham. A playing-field was redeveloped and this garden was given the name "Greenacre".