Guide library

Guides that make the estimate more usable

These pages help you apply calculator results to real buying, comparison, and quote-prep decisions instead of stopping at the first number.

Concrete Volume Guide

Understand cubic metres, cubic feet, and practical buying margins for concrete orders.

Flooring Packs Calculator

Estimate flooring packs from room size, pack coverage, waste allowance, and a safer spare-pack buying margin.

Flooring Cost per m2 Guide

Understand how pack price, coverage, waste, and room-fit allowances turn into a more realistic flooring cost per m2.

Decking Waste Guide

Understand where decking waste comes from and when to increase the allowance.

Mulch Depth Guide

See how installed depth changes the final buying quantity for Mulch.

Bark Depth Guide

See how installed depth changes the final buying quantity for Bark.

Hardcore Calculator by Volume

Work out hardcore volume for patios, paths, shed bases, and general fill before you order bags, bulk bags, or loose tonnes.

Hardcore Quantity Guide

Work out how much hardcore you need, then sense-check tonnes, compaction, and bag versus loose delivery.

Sub-Base Quantity Guide

Work out how much sub-base you need, then sense-check tonnes, compaction, and merchant delivery options.

Mortar Waste Guide

See how handling loss and wall details affect the final mortar quantity.

Rebar Length Calculator

Work out how much Rebar you need from total run length, stock size, and a practical cut allowance.

Rebar Buying Guide

Turn the measured run into a sensible order for Rebar before you buy stock lengths.

Fascia Length Calculator

Work out how much Fascia you need from total run length, stock size, and a practical cut allowance.

Fascia Buying Guide

Turn the measured run into a sensible order for Fascia before you buy stock lengths.

Soffit Length Calculator

Work out how much Soffit you need from total run length, stock size, and a practical cut allowance.

Soffit Buying Guide

Turn the measured run into a sensible order for Soffit before you buy stock lengths.

Gutter Length Calculator

Work out how much Gutter you need from total run length, stock size, and a practical cut allowance.

Gutter Buying Guide

Turn the measured run into a sensible order for Gutter before you buy stock lengths.

Downpipe Buying Guide

Turn the measured run into a sensible order for Downpipe before you buy stock lengths.

Coving Length Calculator

Work out coving lengths from ceiling perimeter, stock size, and realistic corner waste before you order.

Coving Quantity Guide

Work out how much coving you need for a room, then sense-check piece lengths, mitres, and spare allowance.

Sleepers Buying Guide

Turn the measured run into a sensible order for Sleepers before you buy stock lengths.

Edging Length Calculator

Work out how much Edging you need from total run length, stock size, and a practical cut allowance.

Edging Buying Guide

Turn the measured run into a sensible order for Edging before you buy stock lengths.

Kerb Length Calculator

Work out how much Kerb you need from total run length, stock size, and a practical cut allowance.

Kerb Buying Guide

Turn the measured run into a sensible order for Kerb before you buy stock lengths.

Drainage Pipe Buying Guide

Work out how much drainage pipe you need, then sense-check stock lengths, fittings, chambers, and spare allowance.

Ducting Length Calculator

Work out how much Ducting you need from total run length, stock size, and a practical cut allowance.

Ducting Buying Guide

Turn the measured run into a sensible order for Ducting before you buy stock lengths.

Pipe Bedding Quantity Guide

Work out how much pipe bedding you need for a drainage trench, then sense-check tonnes, bulk bags, and surround assumptions.