11 modern open plan kitchen diner design ideas

If you want to transform the way you use your home, take inspiration from these stunning open plan kitchen diner and living spaces, all perfect for contemporary homes

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Looking for open plan kitchen, diner and living room design ideas? Why not – knocking down walls in a period home or creating an open plan space in a modern house can totally transform the way you live. Whether you simply knock through between two rooms or add a single storey extension, opening up your space to design an open plan kitchen, dining area and living room will give you a flexible space that's perfect for families.

Open plan kitchen diner and living spaces allow the whole family to spend more time together, and are the perfect environment for entertaining with friends and family. See how bi-fold glass doors and roof lights allow light to flood the room, and flooring can either divide or unite the spaces.

Check out these open plan kitchen diner design ideas to see how you could make better use of your home – and see all our real home transformations for more inspiration.

1. Add light-filled back and side extension

This kitchen extension on a six bedroom Victorian terraced house in Wandsworth, London has a seamless link to the garden. Complete with Belgian-style patio doors from Fabco, the new extension, designed by architects Granit, provides the perfect space for the new family kitchen diner. The flooring is from Pietra, the reclaimed pillar is from English Salvage, and the table is from salvationfurniture.co.uk.

Find out all you need to know about side return extensions.

bright open plan kitchen diner

Photo: David Woolley

2. Create a boldly coloured, contemporary kitchen diner

This four-bedroom detached house in Blackrock, Co.Dublin, opens up to the garden creating a light filled kitchen-diner. The owner didn’t want a white kitchen so chose deep red cabinets and stainless steel appliances from Ikea.

Love colour? See more colourful kitchen design ideas.

red kitchen diner

Photo: Philip Lauterbach

3. Combine a contemporary kitchen and living space

This four-bedroom detached house built in 1903 in Chesham Bois, Buckinghamshire, had a modern single-storey open-plan extension. This transformed the way the family use the house. The Eileen dining table from B&B Italia, with its Carrara marble top, reflects the cool surfaces in kitchen area.

cool blue diniing and living area

Photo: Holly Jolliffe

4. Design a contemporary eclectic kitchen diner

In this four-bedroom detached house in Aylesbury, the owners made better use of the space they had by converting the garage and knocking through. This gave them enough space for a large kitchen-diner, plus a utility room and WC. Table and benches are from Design Shack Interiors, bar stools are from eBay.

contemporary kitchen diner

Photo: Jody Stewart

5. Make the most of a side return extension 

A side return extension enabled this four-bedroom Victorian terraced house in Balham, London, to be transformed into a bright living area that all the family can use together. The couple hired carpenter, Joe Chambers, to build a bespoke kitchen complete with peninsular island to double up as a breakfast bar . The bar stools are from Private Floor, and the flooring is from Havwoods.

open plan light filled kitchen diner

Photo: David Woolley

6. Rework your interior layout

This six bedroom Victorian terraced house in Hastings, East Sussex has been transformed with dark, moody tones. A wall was removed between the kitchen, scullery and the bathroom to make this long galley shape.  Bespoke brick slips flooring are from Cathedral Stone & Brick.  The marble work surface is from Marble 2 Marvel, and the wine boxes are from Crates4You.

Love dark colours? Don't miss these dramatically moody kitchen design ideas.

dark bold kitchen diner

Photo: Holly Jolliffe

7. Create an open plan kitchen diner by removing walls

This four-bedroom Edwardian house in Ealing was redesigned to create a light-filled open space. The sash windows and bespoke kitchen were custom made by carpenter Garret O’Reilly. The flooring is from Natural Wood Designs, the dining table is from Barker and Stonehouse, and the pendant lamp is from Habitat.

white open living space

Photo: Jody Stewart

8. Create a family-sized kitchen diner

This industrial-style kitchen extension in Twickenham, London is perfect for family life. Different floor tiles, from Azulej by Mutina at Domus, divide the room. The kitchen is from British Standard, and the dining table is from The Old Cinema.

open plan kitchen diner and living area

Photo: Malcolm Menzies

9. Cleverly zone an open plan kitchen diner

With a scheme of indigo, wood and wicker, this space in a two bedroom Victorian terraced house in Ealing has been zoned while maintaining an open plan feel.

botanical white kitchen

Photo: Veronica Rodriguez

10. Design a colourful open plan live-in kitchen diner

This Edwardian property in Bath was extended and remodeled. The kitchen is from bespoke kitchen designer Tim Doe and the units were hand painted. The tap is from Blanco. The vintage glass pendants were bought in Amsterdam; for similar, try Curiosa & Curiosa. For similar bar stools, try Elm Home & Garden.

colourful living area in kitchen diner

Photo: Colin Poole

11. Plan a contemporary through-room

This three-bedroom semi-detached house built in the 1930s in London has been transformed into a large, stylish living space. Equipped with both professional and domestic appliances, the kitchen was sourced from The Used Kitchen Company and features both stainless steel and marble for a modern look.

industrial warehouse open plan

Photo: Andreas Von Einsiedel

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