Block Paving Your Driveway in East ClaydonEast Claydon by JSM Driveways - May 24, 20180 Block paving driveway contractors in East Claydon, Milton Keynes. JSM contractors are your block paving company of choice. Block paving installations built upon over 20 years experience in the paving trade installing driveway paving, patio paving, block paved pathways and garden areas. Our team work to industry approved standards. Reliable and affordable block paving options in East Claydon.