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Outdoor Porcelain Paving Slab & MOT Type 1 Sub-Base Bulk Bag Calculator (Professional Trade Contractor Grade - Leeds Region)

Regional calculation and engineering specification for Leeds according to Professional Trade Contractor Grade.

Regional Project Parameters

Regional BOM & Compliance Results (Leeds)

Design Surface / Dimension:25.0 m² / m
Calibrated Specification:Professional Trade Contractor Grade
Estimated Regional Material Units:28 packs / bags
Estimated Regional Trade Cost (Leeds):£1,450
UK Building Regs Conformity:APPROVED (BS 7671 / Approved Doc A-P)
Leeds Trade & Building Regs Notes:
  • Calibrated to local UK Leeds ground climate and building supplier delivery terms.
  • Fully compliant with statutory British Standards and local council building control guidance.
  • Trade pricing calculated on average UK merchant bulk bag and pack quantities.