Complex sentence: Studio scenes for Series 1 & 2 were recorded at BBC Television Centre, Wood Lane in London, and as from Series 3 to Series 6, studio scenes were recorded at the BBC's Pebble Mill Studios in Birmingham.
Split into simpler sentences: Studio scenes for the first two were recorded at BBC Television Centre, Wood Lane in London. From the third series onwards, studio scenes were recorded at the BBC's Pebble Mill Studios in Birmingham.