When adding extra space to your home, you not only have to consider how the new space will affect the flow of your interiors, but also how the extension will work with your home’s existing exterior. Your choice of roof design is an important element in how the addition will work with the original building.

Whether you want something sympathetic or to create an eye-catching contrast, you have various options when it comes to designing the roof for the extra space you are creating.

Here are some great examples to spark some inspiration.

1. Duo Pitch Roof on Contemporary Extension

Duo pitch roof on Grade II listed cottage extension

Homeowners Charlie and Rose Thomas worked with architectural designer Charlie Luxton to design the contemporary extension that replaced an aging conservatory. While the extension features a modern steel structure and a large amount of glazing, the roof features stone slates to provide a sympathetic nod to the original cottage.

The pitch of the extension’s roof complements the original building, creating a sense of harmony between the two elements.

2. Flat Roof Extensions to Victorian Home

Flat roof extensions to Victorian home

Nils and Lisa Feldmann added two contemporary-style extensions to their Victorian villa in Leicester. Both extensions feature flat, green sedum roofs that offer a striking contrast to the pitched roof of the original property.

3. Catslide Roof on Sympathetic Extension

Homeowner Helen was keen that the extension to her 16th century cottage should mirror the older sections of the house. By choosing a catslide design (where one roof slope extends down further than the other) covered in similar roof tiles to the existing roof, as well as complementary brickwork, the new extension fits seamlessly with the original cottage.

4. Monopitch Roof on Modern Cantilevered Extension

Monopitch roof on cantilevered extension

Paul and Elaine Haffey chose a monopitch roof for their contemporary cantilevered extension. The monopitch design allows for the homeowners to make the most of the rural views, as well as adding an interesting twist to the whole project.

5. Metal Roof on Single-Storey Extension

Stainless steel roof on single storey extension

A tired 1930s property has been given a new lease of life thanks to a new side extension. The single-storey kitchen and writing room features stainless steel roofing that complements the composite wood and aluminium replacement windows and the stone cladding.

6. Twin Gable Design

Twin gabled roof on bungalow remodel and extension

This radical remodel and extension project has transformed a dated bungalow. The project features a twin gabled roof design to help create the space needed for the new storey, creating great architectural wow-factor when combined with full-height glazing, white render, timber cladding and slate-effect cast concrete tiles.

7. Unique Twisted Roof on Extension to Grade II-listed Cottage

When extending their period home in North Norfolk, these homeowners were keen to retain certain aspects of their listed property, most importantly, their bedroom window. The fact that this window was located closely to where a new staircase was to be installed posed a significant challenge to the architect.

Twisted roof design on extension to Grade II listed cottage

In order to create the required head height for the staircase but also keep the existing window, a unique twisted roof was the answer.

While it looks like an impressive architectural gesture, it is also an effective and practical solution to the problem.

8. Winged Roof Makes a Design Statement

Winged roof design on contemporary-style extension

The homeowners of this traditional-style house chose to go for gold when they decided to transform their detached home by extending both down and out, introducing a flamboyant, sculptural wing-like roof clad in a gold-coloured copper alloy that would not look out of place in a modern art gallery.

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