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Buyer's Guide

Custom-Made vs Standard-Size Windows

Windows can be made to your opening or bought in standard sizes. Here's why the difference matters.

Standard sizes

Off-the-shelf windows come in fixed dimensions. If your opening happens to match, fine — but openings, especially in older homes, rarely match a standard size exactly, leaving gaps to fill or compromises in fit.

Custom-made

A made-to-measure window is built to your opening's exact dimensions, so it fits properly — no awkward gaps, no compromise. This matters most in older or non-standard openings, which is most real homes.

Why we make to measure

Because a window that fits the actual opening seals and performs as it should, we measure each opening and build to it rather than fitting a standard size and filling the difference. It's the difference between a window that fits and one that's made to fit.

Questions

Frequently asked

Are custom-made windows better than standard sizes?

For fit, yes — a made-to-measure window matches your opening exactly, while a standard size rarely fits an older opening without gaps or compromise.

Why not just buy standard-size windows?

Real openings, especially in older homes, rarely match standard dimensions exactly, leaving gaps to fill or a compromised fit.

Do you make windows to measure?

Yes — we measure each opening and build the unit to its exact dimensions so it fits and seals properly.

From our range

Products that fit the bill

uPVC Sliding Windows

Multi-track windows that need no swing space.

uPVC Casement Windows

Side-hung sashes that open wide for full airflow and the tightest seal.

uPVC Performance Systems

Double-glazed acoustic and thermal windows.

Related Guides

You might also need

Related guides covering this topic from other angles — different products, applications, or contexts.

Have a question about your home?

Want advice specific to your home rather than the general picture? Tell us about your openings and we'll measure, advise, and quote — factory-direct from our Pannimadai works in Coimbatore.