Plan my windows

Planning a new windows project

New windows are a proper home project, not an impulse buy. Plan the job stage by stage and every quote you receive answers the same brief — so you compare like for like instead of guessing.

New-windows project plan with sample swatches and notes on a desk

Whether you are replacing tired frames on a semi, glazing a whole terrace, or fitting new windows as part of a wider renovation, the smart way to approach it is the same. Work through the project in order, decide the things that shape a price before anyone visits, and only then invite installers to quote. This guide is your roadmap: each stage below links to a focused page that takes you deeper.

The four stages of a new-windows project

Think of the work as a simple timeline — plan, quote, survey, fit. Most of the effort sits in the planning, because the choices you make there decide how straightforward everything after it becomes. Get the brief right and the surveys, quotes and installation day all run more smoothly.

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Know roughly what you want? Get free, no-obligation quotes from vetted local installers — subject to eligibility and a home survey.

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Getting the practicalities right

Installer measuring a window opening during a home survey

Costs, checklists and quotes

It also pays to understand what good windows actually deliver. Reading up on upgrading to warmer, quieter, more secure windows helps you write a brief that focuses on the things that matter for your home, rather than the first product a salesperson mentions.

When you are ready, gather your details in one place — how many windows, which rooms, your preferred style and colour, and your rough timescale — and request quotes. Because you have planned the project first, installers can quote against a clear brief, and you can get window quotes direct to compare side by side rather than under pressure on your doorstep.

Why plan before you price

It is tempting to invite an installer round and see what they say. The trouble is that without a brief, you end up comparing quotes that describe different work — different materials, glass and finishes — and it becomes almost impossible to judge value. Planning in order fixes that. By the time you request quotes, you know your window count, your priorities and your look, so every installer answers the same question and you choose on merit rather than sales patter.

Terraced house with a full set of newly fitted white windows