The Gas Pipe Install Horizontal End Feed Estimating Calculator contains options to estimate 15mm, 22mm and 28mm pipe fitted in timber floors, loft spaces, channels or concrete, or surface-mounted.

Enter the number of metres of gas pipe required to estimate the following items:

  • Copper pipe
  • Pipe clips
  • Copper end feed straight couplers

plus the following materials where required:

  • Insulation
  • Conduit
  • Wood screws and wall plugs
  • Gloss paint
  • Plus all labour associated with the above

This Estimating Calculator is not linked to the Specifications.


  • Use the various Estimating Calculators within the Pipe Fixings Estimating Calculator Type to estimate any fixings required.
  • Use the Chasing Walls Estimating Calculator to estimate the forming of channels.
  • Use the Floorboard Lifting for Installations Estimating Calculator to estimate the removal and subsequent of floorboards.