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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
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

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
Regulations & Standards
BS7671 Cable Sizing Guide for Electricians

A practical BS7671 cable sizing guide covering voltage drop, current carrying capacity, correction factors, and common domestic circuit sizes for UK electricians.

14 Mar 20268 min read
cable-calculatorvolt-drop-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
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

Practical guide to quoting construction jobs accurately. Covers materials, labour, overheads, profit margins, contingency, and a worked example for a small extension.

10 Mar 20268 min read
quote-generatorconcrete-calculatorroofing-calculator
Regulations & Standards
Permitted Development Rights: What You Can Build Without Planning Permission

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
Regulations & Standards
CDM Regulations 2015: What Builders Need to Know

A plain-English guide to CDM 2015 regulations for builders. Covers duty holder roles, notification thresholds, the F10 form, and common mistakes.

2 Mar 20268 min read
cdm-checkerrams-generatorincident-report
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
Tips & Best Practice
Mileage Rates for Self-Employed Builders 2025/26

HMRC approved mileage rates for 2025/26 explained for self-employed builders. Covers what counts as business mileage, record keeping, and common mistakes.

26 Feb 20267 min read
mileage-trackervat-cis-calculator
Regulations & Standards
The Party Wall Act Explained for Builders

A practical guide to the Party Wall Act 1996 for builders. Covers when you need to serve notice, types of notice, timelines, surveyors, and costs.

24 Feb 20269 min read
party-wall-checkerpre-app-checker
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
Regulations & Standards
Electrical Certificate Types Explained: EIC, EICR, Minor Works and Part P

Understand the different electrical certificates in the UK — EIC, EICR, minor works, and Part P. Know when each is needed and who can issue them.

20 Feb 20267 min read
cable-calculatorvolt-drop-calculator
Tips & Best Practice
How to Write a Snag List for New Builds

A complete snagging checklist for new-build homes. Room-by-room guide covering what to look for, common defects, and how to get them fixed.

18 Feb 20267 min read
snag-list
Regulations & Standards
Fencing Regulations UK: What You Need to Know

UK fence height rules, boundary ownership, planning permission, and dispute resolution. Everything builders and homeowners need to know about fencing law.

16 Feb 20267 min read
fencing-calculatorpermitted-development
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
Regulations & Standards
Asbestos Awareness for Builders: What You Must Know

Essential asbestos awareness for UK builders. Where it's found, the three types, legal duties, when to test, and the penalties for getting it wrong.

12 Feb 20267 min read
asbestos-checklistrams-generator
Regulations & Standards
Understanding Building Control and When You Need Sign-Off

When do you need building regulations approval? What building control does, which works require sign-off, inspection stages, and completion certificates.

10 Feb 20268 min read
cdm-checkerpre-app-checker
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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