Block Paving Your Driveway in HavershamHaversham by JSM Driveways - May 24, 20180 Block paving driveway company in Haversham, Milton Keynes. 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. Professional, registered block paving options in Haversham.