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Wet Underfloor Heating (UFH) Pipe Length & Manifold Loop Calculator

Estimate 16mm Pert-Al-Pert pipe coils, 150mm/200mm pipe centres, and loop counts for screed and timber floor overlays.

Project Inputs

Results

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    How to Use this Tool (Step-by-Step)

    1. Input your dimensions and structural/electrical parameters into the fields above.
    2. Review the instantly calculated material quantities, safety margins, and cost estimations.
    3. Download or print the bill of materials (BOM) for your trip to B&Q, Screwfix, or local builders merchant.

    Frequently Asked Questions (UK Regulations)

    How accurate is this Wet Underfloor Heating (UFH) Pipe Length & Manifold Loop Calculator?

    Calculations comply directly with UK Building Regulations, BS standards (such as BS 7671 for electrical and BS 5268 for timber), incorporating customary 5-15% wastage allowances.

    Can I use this for planning permission or building control submissions?

    Yes, our algorithms follow approved statutory formulas and provides accurate guidance; however, always have critical structural work countersigned by a qualified structural engineer or Building Control officer.

    Does this support both metric and imperial units?

    Yes, while UK Building Regulations specify metric (metres, mm, kg), you can easily cross-reference standard timber sections (e.g., 4x2 inches as 100x47mm).