<b></b>A fifth of the staff at Gleeson Homes are to be made redundant following the restructuring of the company which recently reported an operating loss.<br>Gleeson, under md Terry Massingham, will close its Sheffield office and base its northern operation in Lancashire. The south east region will merge with the south west and establish itself in a new office. In all 30 of the firm&amp;’s 150 staff will go with some from the Sheffield office joining the recently created Regeneration Division in the city. <p></p><p></p>