Why Casement Windows

Casement windows offer a highly practical and flexible solution across a wide range of projects—from multi-plot new builds to heritage and conservation schemes. For developers and contractors, their simple, scalable design makes them easy to standardise across sites, helping to control costs and streamline installation.

Why Casement Windows Make Sense for Developers, Contractors, and Architects

Our high performance Casement Windows offer traditional sightlines and feature a flush-line traditional appearance.

Ideal for both period properties and new-build projects, every timber window is made to order, to your specific design. This includes size, number of panes, glazing bars, profile style and opening method.

Casement systems can be specified to meet PAS24 requirements, perfect for new builds and multi-plots - a reliable choice for modern residential developments where security and regulation are key.

Commercially, they also deliver. Compared to sash alternatives, casement windows typically come with a lower unit cost and shorter lead times—supporting programme efficiency and reducing pressure on procurement schedules.

For professionals balancing design intent, compliance, performance, and budget, casement windows provide a dependable, adaptable solution across virtually any project type.

Casement Window Technical Information

Technical information

Top 10 Casement Window Case Studies

Listed Areas & Heritage

Conversion of Former Sunday School

Tucked away in the depths of the Somerset countryside, this former Sunday school has been converted for residential use by the Walker family.

Building Renovation

Historic Oast House Renovation

This beautiful Kent Oast House was originally designed to dry hops as part of the beer brewing process.

Building Renovation

An Architects Home

Being a retired architect, Terry had a clear idea of what he was looking for when he began his search for replacement timber windows and doors.

Building Renovation

Contemporary Property in the Home Countries

Retaining all but the front and side exterior walls, the back elevation of the property has been completely demolished; the entire interior gutted; the floor area increased to 700m² and a reconfiguration of internal space, including a dramatic landing and staircase, once at the rear of the property, has made this 16-month rebuild a complex and involved project.

New Build

Light Fantastic to Essex New Build

Traditional-style timber windows and doors from the Conservation™ range by Mumford & Wood have been specified for an impressive new-build property in the much sought after village of Danbury in Essex.

Multi-Plot Development

Bespoke Development

A former paddock in the village of Cheveley, Cambridgeshire just four miles from Newmarket, has now been developed into a range of new, sympathetically designed homes, with Mumford & Wood’s windows and doors selected for the development.

Frequently Asked Questions

How we work with you

Backed by more than seven decades of specialist experience, we combine deep technical expertise and meticulous craftsmanship to create timber windows and doors that perform and endure.

Our team works closely with build professionals and architects at every stage of a project, providing clear and practical guidance through complex building regulations and ensuring that each solution meets the highest compliance and performance standards.