How width, side screens, threshold and locking spec change a French door quote.
French doors are one of the easiest products to compare between installers — provided you know which four or five specification points to line up.
This guide lists them, and explains which ones are worth paying for and which are simply preference.
A French door quote moves on:
A low threshold is far easier to live with if the doors open onto a patio at a similar level, and it matters a great deal for wheelchair or pushchair access.
Handle and lock quality is the other one. It is a small line in a quote and the part of the door you interact with every day.
French doors give you a clear central opening at the lowest cost of the three. Bifolds open the whole span but cost more; sliders keep the glass area maximum with a smaller opening. Our comparison guide sets out the trade-offs in detail.
Send us the rough opening size and we'll arrange a free measured survey and fixed quote.
Yes, inward or outward opening are both available — outward opening saves internal floor space.
Modern French doors use multipoint locking on both leaves with a shootbolt-secured slave leaf. Ask for the lock and cylinder standard in writing.
Replacing doors like-for-like is normally covered by a competent person scheme registration such as Certass. Forming a new opening involves building control.