Home / Tools Matrix / Portsmouth / Building Regs Part H Soakaway Stormwater Attenuation Crate Calculator (Modern Methods of Construction Prefab Modular Spec - Portsmouth Region)

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Building Regs Part H Soakaway Stormwater Attenuation Crate Calculator (Modern Methods of Construction Prefab Modular Spec - Portsmouth Region)

Regional calculation and trade specification for Portsmouth calibrated to Modern Methods of Construction Prefab Modular Spec.

⚙️ Portsmouth Project Parameters

Reactive Edge Matrix

Target Work Area / Dimension (Linear Metres / m²)

Material Specification Standard

Statutory Regional Notes for Portsmouth

Calibrated to local UK Portsmouth average ground freeze line, moisture index, and builder merchant delivery pricing.
Fully compliant with statutory British Standards (BS EN 1996 / BS 7671) and local municipal building control inspectability.
Trade pricing derived from real-time UK merchant bulk bag benchmarks including 10% standard wastage allowance.

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London Regional Calibrator

Calibrated to local UK ground conditions and merchant trade pricing in London.

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Manchester Regional Calibrator

Calibrated to local UK ground conditions and merchant trade pricing in Manchester.

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Birmingham Regional Calibrator

Calibrated to local UK ground conditions and merchant trade pricing in Birmingham.

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Leeds Regional Calibrator

Calibrated to local UK ground conditions and merchant trade pricing in Leeds.

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Glasgow Regional Calibrator

Calibrated to local UK ground conditions and merchant trade pricing in Glasgow.

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Bristol Regional Calibrator

Calibrated to local UK ground conditions and merchant trade pricing in Bristol.

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Estimated Regional Trade Cost (Portsmouth)

£1,450

APPROVED (Approved Doc A-P)

Design Surface / Dimension: 25.0 m² / m

Calibrated Specification: Modern Methods of Construction Prefab Modular Spec

Estimated Material Units: 28 packs / bags

Standard Wastage Built-in: 10% (BS 8000 Workmanship)

Portsmouth Estimate

£1,450

✓ Regional Bill of Quantities copied to clipboard!