When me 'n Fliss brought the place in Wilmslow (well Aldington reely but not everyone nows that!) we used thes peple:
www.diarmuidgavindesigns.co.uk
Did good job at making grass roof garag for Fliss's dads car colection too.
My auntie used
www.robinwilliams.co.uk who she said wer v good.
Hop that helps.