---
title: "A Homeowner’s Guide to Replacing Windows | Bi Folds & Windows Direct"
url: https://bifoldsdirectessex.co.uk/replacing-windows-guide/
description: "A practical checklist covering style, materials, ventilation, glazing and final measurements."
lang: en-GB
---

Windows · Buying guide

# A Homeowner’s Guide to Replacing Windows

A practical checklist covering style, materials, ventilation, glazing and final measurements.

Image: Anthracite grey aluminium casement window with glazing bars set into a red-brick wall beneath a tiled roof (https://bifoldsdirectessex.co.uk/assets/aluminium-window-real-B5ow3ySS.jpeg)

Replacing windows can improve the appearance, comfort and performance of a property, but there are several decisions to make before ordering.

## Aluminium or uPVC?

uPVC provides excellent value, low maintenance and good thermal performance.

Aluminium provides slim profiles, strength and a contemporary appearance.

The right material depends on the property, required appearance and budget.

## Choose the right window style

The proportions and opening configuration can have a surprisingly large effect on the appearance of a house.

Consider how the new windows relate to the architecture rather than simply replacing every existing window with an identical configuration.

Flush casement windows can also provide an alternative to conventional casement designs.

## Think about the entire property

If windows, entrance doors and rear doors are being replaced, consider them as one overall design.

Coordinating frame colours and styles can produce a much more consistent result.

## Consider ventilation

Ventilation requirements should be considered when specifying replacement windows.

Depending on the installation and applicable Building Regulations, background ventilation such as trickle vents may be required.

## Consider the glazing

Glass specification affects thermal performance, safety and comfort.

Different areas of a property can also have different requirements.

## Accurate surveying matters

Replacement windows are manufactured to fit individual openings.

Accurate final measurements are therefore an important part of the process before manufacture begins.

Bi Folds & Windows Direct supplies and installs aluminium and uPVC replacement windows throughout Essex.

View the related service (https://bifoldsdirectessex.co.uk/window-installation-essex/)

## Related questions

### Should I choose aluminium or uPVC windows?

### Do new windows need trickle vents?

### Do you remove the existing windows and doors?

All FAQs (https://bifoldsdirectessex.co.uk/faqs/)

## Read next

### Aluminium vs uPVC Windows: Which Should You Choose?

Frame appearance, thermal performance and value: choosing the right material for your home.
https://bifoldsdirectessex.co.uk/aluminium-vs-upvc-windows/

### What Are Trickle Vents and Do Replacement Windows Need Them?

Background ventilation, indoor air quality and specifying replacement windows.
https://bifoldsdirectessex.co.uk/trickle-vents-replacement-windows/

### Double Glazing vs Triple Glazing: What Should Homeowners Consider?

Look beyond the number of panes to the performance of the complete window.
https://bifoldsdirectessex.co.uk/double-glazing-vs-triple-glazing/

## Free quotation & home survey

On all orders

Get a free quote: https://bifoldsdirectessex.co.uk/contact/

07903 632039: +447903632039

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