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Crittall Window Extension

Updated: Sep 29, 2022

The clients had bought a turn of century end of terrace house in need of complete refurbishment and were keen to turn it into their dream property.

Ground Floor

The clients didn't need additional bedrooms but wanted to create a generous ground floor living area connected to the garden. They were very keen on the industrial aesthetic of Crittall windows and knew they wanted to include them in the design of the extension.

The existing kitchen outrigger had a long and narrow yard to the side, so it seemed logical to extend there rather than wasting valuable space in the rear garden. A common issue when extending terraced houses is how to deal with the rear reception which becomes an inner room.

In this case, we suggested doing away with the rear reception room and splitting it into two: the front third of the space would become a gulley utility leading to a WC at the end; the remaining two-thirds would become the ground floor study with access off the new kitchen in the side return (see existing and proposed floor plans).

Floor Plans

Being an end of terrace, we could add windows in the side elevation to ensure that the new areas would have sufficient daylight.

The client decided to locate the kitchen units in the side return so the workspace would benefit from the natural light coming from a series of Velux. A large island forms the centrepiece of the kitchen diner.

Kitchen Area

The patio doors are “Crittall Style” aluminium frames - rather than original Crittall steel windows, since these are not thermally broken and therefore don't comply with Building Regulations.

The dining area facing the garden is enlivened by a botanical wallpaper by MindTheGap.

Living Room


The upstairs rooms are also full of quirky, colourful details such as the full-wall mural wallpaper in the front bedroom, crackled tiles in the bathroom and colourful wallpaper in the study.

Master Bedroom



The project has been featured in Build It magazine.

About Us

DHVA combine award-winning contemporary design ability and attention to detail to help our clients create beautiful spaces tailored to their needs. Contact us for a no obligation discussion about your project on 0117 914 8317 or email

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