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.
Coniston
Coniston is a town as well as civil parish in the Furness area of Cumbria, England. Historically part of Lancashire, it lies in the southern part of the Lake District National Park, in between Coniston Water, the third longest lake in the Lake District and Coniston Old Man; regarding 25 miles (40 km) north eastern of Barrow-in-Furness. Coniston is situated on the western shore of the northern end of Coniston Water. It sits at the mouth of Coppermines Valley as well as Yewdale Beck, which come down from the Coniston Fells, historically the area of ore as well as slate mining. Coniston's area thus created as a farming town and transportation center, serving these areas. Coniston was positioned in the really north-west of the historical area of Lancashire, with Coniston Old Man creating the region's acme. Today Coniston forms part of the Lake District National Park, the management region of Cumbria as well as the city government district of South Lakeland. Coniston belongs to the electoral ward called Coniston and also Crake Valley. The overall population of this ward as taken at the 2011 Census was 1,575.