Barnes, London: Culmax Glass Box Extension: modern Conservatory by Maxlight

21 jaw-dropping British home extensions

Amy Buxton Amy Buxton
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A fabulous way to add extra space to a home that needs to grow with a family, extensions come in a variety of shapes and sizes, making them perfect for literally every house out there. Regardless of how awkward a proposed extension plot might be, a talented architect will be able to design something that will not only work well, but look great too. 

If you're under the impression that all extensions look the same and never quite blend well enough with the original property, prepare to have your mind blown! You won't believe just how creative you can get with your design, but if you need some convincing, just take a look at these…

1. Adding fantastic extra space to a traditional terrace, this angled-roof extension is amazing!

modern Houses by homify
homify

supper time

homify

2. What a great way to blend a new addition with an existing house. The flat top perfectly mirrors the boxy main building

Private House - Holland Park :  Terrace by New Images Ltd
New Images Ltd

Private House—Holland Park

New Images Ltd

3. We love a contrast of old and new so this modern timber addition works well with a traditional semi-detached home

4. Wood and dark grey metal create an amazing contrast with the original house here and we love the brazen juxtaposition of old and new

House in Winchester: modern Garden by LA Hally Architect
LA Hally Architect

House in Winchester

LA Hally Architect

5. To keep the light flowing in, why have a skylight when you can go for a fully glazed box design?

6. This full width, deep extension has really opened up the internal space, making open plan living a doddle!

Rear Extension: modern Houses by DDWH Architects
DDWH Architects

Rear Extension

DDWH Architects

7. Blink and you could miss this extension, thanks to the heritage-sympathetic design. Wow!

8. Even a narrow space can be expended if you consider adding height, as well as width. The glazing here is incredible!

9. Added to a traditional terrace house, this starkly modern dog-leg extension looks great and didn't require a huge garden sacrifice

10. Keeping the shape of the original house, this glass extension is so complementary and allows for a luxe master bedroom upstairs

11. Tradition and modernity can combine wonderfully, as this kitchen and dining room extension proves!

Dick Place - garden: modern Kitchen by ZONE Architects
ZONE Architects

Dick Place—garden

ZONE Architects

12. For an extension with a difference, you can't go wrong with nothing but glass and a thin metal structure

Barnes, London: Culmax Glass Box Extension: modern Conservatory by Maxlight
Maxlight

Barnes, London: Culmax Glass Box Extension

Maxlight

13. When aesthetics are as important as function, you can go as wild as you dare. This timber extension is unmissable!

Rear elevation showing timber extension: modern Houses by Neil Dusheiko Architects
Neil Dusheiko Architects

Rear elevation showing timber extension

Neil Dusheiko Architects

14. Monochrome makes for one of the most eye-catching extension colour schemes out there

 Walls by homify
homify

light cube

homify

15. Bringing your extension right out into the garden is a great idea, if you have the space to spare

Speer Road: modern Houses by Will Eckersley
Will Eckersley

Speer Road

Will Eckersley

16. There's no such thing as a 'too awkward' plot. This unusual design makes great use of the original subterranean layout and draws in natural light

Rear elevation showing materiality : modern Houses by Fraher Architects Ltd
Fraher Architects Ltd

Rear elevation showing materiality

Fraher Architects Ltd

17. The agricultural styling of this clad extension looks perfect in a rural setting

Hunsett Mill: minimalistic Houses by ACME
ACME

Hunsett Mill

ACME

18. Blended brickwork looks amazing and helps to disguise an extension. This side return addition is almost undetectable

19. If you have a growing family, think about a double height extension so you can get the benefit of extra bedrooms, as well as a bigger kitchen!

20. This neat, petite extension has emulated the original house's colour scheme perfectly and is millimetre perfect for the gap

​kitchen rear extension ealing with pitched roof: modern Houses by nuspace
nuspace

​kitchen rear extension ealing with pitched roof

nuspace

21. Adding a funky touch, this geometric extension looks amazing and has added real character to a standard terrace house!

Winchmore Hill, London:  Windows  by Maxlight
Maxlight

Winchmore Hill, London

Maxlight

For more extension inspiration, take a look at this Ideabook: Extraordinary Victorian Villa Extension.

What would you use a home extension for?
Whitton Drive:  Terrace house by GK Architects Ltd

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