Where can I find DIY store supplies in Welwyn Garden City?

DIY store supplies can also be found in these cities:

Barnet Borehamwood Enfield Hemel Hempstead Hertford Hitchin Hoddesdon Luton Northwood Potters Bar St Albans Stevenage Waltham Cross invalidcity

You can also find this in Welwyn Garden City:

Flooring Worktops Kitchens Bathroom Cabinets Flooring