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Building Regs Part H Soakaway Stormwater Attenuation Crate Calculator (Landlord Buy-to-Let & HMO Compliance Standard - Blackpool Region)

Regional calculation and engineering specification for Blackpool according to Landlord Buy-to-Let & HMO Compliance Standard.

Regional Project Parameters

Regional BOM & Compliance Results (Blackpool)

Design Surface / Dimension:25.0 m² / m
Calibrated Specification:Landlord Buy-to-Let & HMO Compliance Standard
Estimated Regional Material Units:28 packs / bags
Estimated Regional Trade Cost (Blackpool):£1,450
UK Building Regs Conformity:APPROVED (BS 7671 / Approved Doc A-P)
Blackpool Trade & Building Regs Notes:
  • Calibrated to local UK Blackpool 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.