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Guides & How-To
Gas Pipe Sizing Guide for Domestic Installations

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 Guide: How Much Gravel 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
How to Calculate Drainage Falls and Pipe Sizes

A practical guide to calculating drainage falls, gradients, and pipe sizes for domestic projects. Covers Approved Document H, foul and surface water drainage, and common mistakes.

20 Mar 20268 min read
drainage-calculatorgravel-calculator
Guides & How-To
How to Calculate Paint Coverage for Walls and Ceilings

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

How to choose the right lintel for domestic openings. Covers steel lintels, concrete lintels, wall types, bearing lengths, and Building Regulations requirements.

20 Mar 20268 min read
lintel-guidemasonry-calculator
Guides & How-To
Radiator Sizing: BTU Guide for Every Room

How to size radiators for each room using BTU calculations. Covers room types, insulation factors, window adjustments, and common sizing mistakes.

20 Mar 20267 min read
radiator-calculatoruvalue-checker
Guides & How-To
Steel Beam Sizes and Weights: A Guide for Builders

A practical guide to structural steel beam sizes and weights for domestic construction. Covers RSJs, universal beams, common sizes for extensions, and what builders need to know.

20 Mar 20269 min read
steel-calculatorweight-calculator
Guides & How-To
Timber Span Tables and Joist Sizing Guide

How to size timber joists and rafters using Approved Document A span tables. Covers C16 and C24 timber, floor joists, ceiling joists, and common roof rafters.

20 Mar 20269 min read
timber-span-calculatorstaircase-calculator
Guides & How-To
CIS Tax Deductions Explained for Subcontractors

CIS tax deductions explained in plain English. Covers rates, registration, verification, monthly returns, and how to claim back overpayments as a UK subcontractor.

14 Mar 20269 min read
vat-cis-calculator
Guides & How-To
How to Calculate Concrete for a Shed Base

Work out exactly how much concrete you need for a shed base. Covers volume calculations, mix ratios, ready-mix vs hand mixing, and common shed sizes.

14 Mar 20266 min read
concrete-calculatorweight-calculator
Guides & How-To
How Much Does Scaffolding Cost in the UK?

A practical breakdown of scaffolding costs in the UK. Covers hire vs buy, pricing per metre, common house sizes, scaffold types, and legal requirements.

6 Mar 20266 min read
scaffolding-calculatorworking-at-height
Guides & How-To
How to Measure for Wall and Floor Tiles

Learn how to calculate exactly how many tiles you need. Covers measuring rooms, wastage allowances by layout, tile sizes, grout, and adhesive quantities.

28 Feb 20267 min read
tile-calculatorpatio-calculator
Guides & How-To
How to Calculate Roof Tiles, Felt and Battens

Work out how many roof tiles you need for any roof. Covers pitch factors, tile coverage rates, felt, battens, ridge tiles, and wastage allowances.

22 Feb 20267 min read
roofing-calculator
Guides & How-To
How to Plan a Patio Layout and Calculate Materials

Plan your patio from the ground up. Covers paving types, sub-base, drainage falls, laying patterns, and how to calculate quantities and costs.

14 Feb 20267 min read
patio-calculatorgravel-calculatordrainage-calculator
Guides & How-To
How to Calculate Plaster Quantities for Walls and Ceilings

Work out exactly how much plaster you need. Covers skim, bonding, hardwall, and render with coverage rates per bag and pre-calculated room quantities.

8 Feb 20268 min read
plaster-render-calculatorweight-calculator
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