Casement Windows

We supply and fit replacement wooden casement windows


Wooden Casement Windows

Supply & Installation

Supreme Carpentry are specialists in replacement wooden casement windows for both period and modern properties, and we provide installations across North London areas including, Camden, Islington,  Hackney, Haringey, Enfield, Barnet  and surrounding areas.


Many of our customers come to us because they wish to retain the period features and style of their property by fitting wooden casement windows, rather than having them replaced with UPVC or aluminium windows. Our replacement timber casement windows allow you to retain all of the traditional style of the original windows, whilst also including all the benefits of modern glazing, insulation and security.

Our Replacement Casement Windows

Our replacement timber framed casement windows are made to measure in the joinery workshop to match the design and character features of the original casement windows in your home. As a modern replacement window they can also include all the benefits of the latest window technology, with slimline double glazed window units available to provide greatly improved insulation against heat loss and noise. Our replacement windows also have improved draft and weather proofing technology and are guaranteed for up to 5 years. 

Replacing Your Timber Casement Windows

Our replacement casement window installation process typically involves the following steps:


Assessment & Site Survey


One of our skilled window installers will visit your home to complete survey of the windows. As part of the visit they will assess your existing windows to determine if they can be repaired or need to be replaced and if there is any additional work required to complete the installation. They will then measure the new windows so we can make replacement casement windows to specifically fit your property.


Window Selection & Specification


We will then discuss the window options and the installation process with you. Our modern casement windows have various options available including a choice of single or double glazed window units, wood, finishing details, and fittings such as locks and openers. We usually advise our customers to choose replacement casement windows that match the architectural style of their property as well as improve the insulation and energy efficiency of their home. 


Quotation & Approval


After the site visit is completed we will then be able to provide a formal quotation detailing the replacement windows to be provided, fittings and the details of the window installation. Your quotation is usually emailed to you within a few days of the initial visit.


Once you have checked and approved our quotation, we will then be able to organise the production of your replacement casement windows. Our casement windows usually take 3-4 weeks to be manufactured in the joinery workshop, and based on that we will agree a scheduled date for your windows to be installed.


Casement Window Installations


On the day of your window installation, your existing casement windows will be carefully removed and disposed of properly. The window openings will be cleaned, repaired, and prepared for the replacement window installation to begin.


Your new casement windows will then be fitted into the existing openings. The installation may include fitting new frames, sills and hardware, such as hinges, openers, handles and locks, as well as insulation to ensure energy efficiency.

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With the casement windows securely installed, any gaps will be filled and the surrounding trim fitted to give the windows their finished look.

We will then complete a final inspection to ensure the windows are correctly installed and function properly.


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