A checklist you can use on us and on every other quote you get.
Most complaints about window and door installations trace back to decisions made before any work started: an unclear quote, an unregistered installer, or a deposit paid under pressure.
Use this checklist on every company you speak to, including us. If an installer resents the questions, that's useful information in itself.
Ask each company:
Patterns that should give you pause:
For contracts agreed in your home, consumer law gives you a cancellation period. Any reputable installer will set this out clearly in the paperwork rather than hoping you don't notice it.
Ask us every question on this page. We'd rather you chose us with your eyes open.
A scheme that allows registered installers to self-certify that replacement windows and doors meet building regulations, and to notify the work on your behalf. Certass is one such scheme.
Comparing at least a couple is sensible, provided you compare the specification and not just the totals. We'll beat any like-for-like quote, and 'like-for-like' is doing real work in that sentence.
Yes, for made-to-measure products. What matters is the proportion, when it's taken, and what protection accompanies it.