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Guides & How-To
How to Calculate Bricks, Blocks and Mortar

Calculate bricks or blocks per square metre, deduct openings, add wastage and estimate mortar for UK walling with a worked example.

19 Aug 20265 min read
masonry-calculatorweight-calculatorunit-converter
Guides & How-To
How to Calculate Fence Panels, Posts and Postcrete

Work out fence panels, posts, gravel boards, feather-edge boards and post concrete for a UK garden fence, with clear formulas and examples.

19 Aug 20265 min read
fencing-calculatorunit-converterquote-generator
Guides & How-To
How to Calculate Spindle Spacing for Stairs

Calculate equal spindle spacing between newel posts, check the 100mm sphere rule and avoid the common mistake of forgetting the two end gaps.

19 Aug 20265 min read
spindle-calculatorstaircase-calculatorunit-converter
Guides & How-To
How to Calculate Turf, Topsoil and Fertiliser

Measure a lawn, calculate turf and topsoil quantities, allow for cuts and work out starter fertiliser for rectangular, circular or L-shaped areas.

19 Aug 20265 min read
turf-calculatorgravel-calculatorquote-generator
Guides & How-To
Builder Terms & Conditions: What to Include

Learn what UK builders should include in clear terms and conditions, from payment dates and variations to delays, disputes and client responsibilities.

22 Jul 20265 min read
terms-generatorquote-generatorinvoice-generator
Guides & How-To
Gas Pipe Sizing Guide for UK Homes

How to size gas pipes for domestic installations. Covers pipe diameters, appliance demand, run lengths, and the key rules every Gas Safe engineer needs to know.

20 Mar 20268 min read
gas-pipe-sizingradiator-calculator
Guides & How-To
Gravel Calculator: How Much Do I Need?

Work out how many tonnes of gravel, MOT Type 1, or aggregate you need. Covers depth recommendations, bulk densities, ordering tips, and common project sizes.

20 Mar 20267 min read
gravel-calculatorpatio-calculatordecking-calculator
Guides & How-To
How to Calculate Decking Materials and Costs

Work out exactly how many deck boards, joists, noggins, posts, and fixings you need. Covers timber choices, spacing, costs, and common deck sizes.

20 Mar 20267 min read
decking-calculatorconcrete-calculator
Guides & How-To
Drainage Falls & Pipe Sizes: UK Guide

Calculate drainage falls, gradients and pipe sizes for UK domestic work, with practical guidance on Approved Document H and common site mistakes.

20 Mar 20268 min read
drainage-calculatorgravel-calculator
Guides & How-To
Paint Coverage Calculator Guide

Work out exactly how much paint you need for any room. Covers wall and ceiling measurements, coverage rates, number of coats, and common tin sizes.

20 Mar 20267 min read
paint-calculatorplaster-render-calculator
Guides & How-To
How to Plan Downlight Spacing for Any Room

Work out how many downlights you need and where to position them. Covers spacing rules, room-by-room layouts, wattage, and common mistakes to avoid.

20 Mar 20268 min read
downlight-calculatorcable-calculator
Guides & How-To
Lintel Sizing Guide for Builders

Choose a lintel for domestic openings with guidance on steel and concrete types, wall construction, bearing lengths and Building Regulations.

20 Mar 20268 min read
lintel-guidemasonry-calculator
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