Guides to quote like a pro

When regulations require safety glass (tempered or laminated) instead of single glass, and how to calculate the area of made-to-measure screens, mirrors and enclosures.

Real differences between porcelain stoneware, laminate flooring and SPC vinyl flooring, the slip-resistance class each room requires and the material margin for each.

How to calculate a split unit's power from square metres, ceiling height and orientation, and what else to consider before quoting the installation.

A shop window needs different glass from a home window, with its own safety and size requirements. What to check before quoting.

When the client wants privacy but doesn't want to change the glass, frosted vinyl is a quick, reversible solution. What it offers compared with decorative glass.

Both treatments improve energy efficiency, but they solve different problems depending on orientation. Which to recommend in each case.

Acoustic laminated glass reduces street noise far more than standard double glazing. When it justifies its additional cost.

A made-to-measure dressing room goes beyond rails and shelves. Which elements to itemise in the quote so the client understands the cost.

Replacing a building's door entry system with video door entry means cabling, an outdoor panel and monitors in each flat. What to quote.

Two valves that are almost never seen but protect the plumbing installation: what each is for and when to install them.

Woodworm and termites can compromise timber structures and joinery. How to detect the problem and what a correct treatment includes.

Wall lining lets you improve insulation or hide installations without demolishing. When it's the right solution and how much space it takes from the room.