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.
Llandudno
With a population of 21,000, the seaside town of Llandudno in the Conwy Country Borough is nicknamed the 'Queen of the Welsh Resorts' and is the largest such seaside resort in Wales. Situated in the Creuddyn peninsula, which reaches out and pokes into the Irish Sea, Llandudno established from the Stone Age, Bronze Age and Iron Age settlements over centuries, developing across the slopes of limestone headland. Their very first citation in recorded history are with the Manor of Gogarth shared by King Edward I, to Annan, Bishop of Bangor, in 1284. Local transport for the densely populated location is the North Wales Coast railway line which had opened as the Chester and Holyhead Railway in 1848. Created as a mid-Victorian era holiday location, Llandudno's train links are unsurprising, having lines that extend to London. The town gets its name from the ancient parish of Saint Tudno, however additionally incorporates some neighbouring areas and districts. Between the town and sea, lies a region of sand, shingle and rock, curving for 2 miles in between the 2 headlands of Great Orme and Little Orme. The Llandudno pier, a souvenir from its Victorian attraction days, was constructed in 1878, and is down as a Grade II listed structure. For all of your home upgrades, make certain to make use of credible experts in Littleborough to make certain of quality.