Village Design Statement for Grappenhall and Thelwall is still relevant - case for retaining site ?The preservation and protection of Thelwall Heyes is without doubt the most important issue affecting both communities and it is essential for it to be designated as Green Belt.?. Explanation for including the site in the Draft Plan is that it would provide an early boost to housing numbers in the first years of the Plan period but this would be a wholly inadequate justification for overturning the established long-term policy for the site.