You should pull up and remove weeds by hand as and when they appear. If it is a regular problem, you might need to reseal the paving. In extreme cases, the sub layer itself may need to be re-laid. You can use weed killer, however some paving can be discoloured by stronger weed killers.
Llanbedr
Llanbedr is a village and community in the Ardudwy area, formerly Meirionnydd, of Gwynedd, Wales. An electoral ward in the same name exists. This ward likewise covers the Community of Llanfair. The complete ward population at the 2011 Census was 1,098. Ancient monuments at Llanbedr include Neolithic standing stones; the Stones of Llanbedr and Bronze Age hut circles. The village initially expanded around the slate quarrying sector. Glyn Pedr is a Victorian Grade II listed residence on Maes Ffynnon.