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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
Regulations & Standards
Staircase Building Regulations UK Explained

A plain-English guide to UK staircase building regulations. Covers Part K requirements for rise, going, pitch, headroom, handrails, and balustrades.

20 Mar 20268 min read
staircase-calculatorspindle-calculator
Guides & How-To
Steel Beam Sizes and Weights: A Guide for Builders

Guide to structural steel beam sizes and weights for domestic work, covering RSJs, universal beams, extension projects and essential site checks.

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
Regulations & Standards
BS7671 Cable Sizing Guide for Electricians

Practical BS7671 cable sizing guidance on voltage drop, current capacity, correction factors and common domestic circuits for UK electricians.

14 Mar 20268 min read
cable-calculatorvolt-drop-calculator
Guides & How-To
CIS Tax Deductions Explained for Subcontractors

CIS deductions explained clearly, including rates, registration, verification, monthly returns and reclaiming 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
Regulations & Standards
What Is a RAMS Document and When Do You Need One?

Learn what a RAMS document is, when you legally need one on site, what to include, and how CDM 2015 regulations affect your duties as a contractor.

12 Mar 20267 min read
rams-generatorworking-at-heightcdm-checker
Tips & Best Practice
How to Quote a Building Job Without Losing Money

Quote construction work accurately with materials, labour, overheads, margin and contingency, plus a worked example for a small extension.

10 Mar 20268 min read
quote-generatorconcrete-calculatorroofing-calculator
Regulations & Standards
Permitted Development Rights in England: A Builder's Guide

A clear guide to permitted development rights in England. Covers extensions, loft conversions, outbuildings, porches, and when you still need Building Regs.

8 Mar 20269 min read
permitted-developmentpre-app-checker
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
Regulations & Standards
Understanding U-Values and Building Regs for Insulation

U-values explained in plain English. Covers Part L requirements, target U-values for walls, roofs, floors, and windows, plus insulation materials compared.

4 Mar 20267 min read
uvalue-checkerradiator-calculator
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