8 House extension ideas to turn your single or double-storey extension into a bespoke living space

If you are planning to add an extension to your home, or have started extending you home already but haven't yet decided what you will use your new space for. We have put together this list of eight house extension ideas to give you some inspiration.

House extensions ideas sliding glass doors

1. Sliding glass doors 

Sliding glass doors are a popular choice amongst homeowners in London, and it is easy to see why. With only the glass panels separating the indoors and outdoors, the garden visually becomes part of the home extension and vice versa. Made of quality materials, fully insulated sliding glass doors will bring natural light into your home without wasting energy. 

There are three types of sliding glass doors designs from which to choose: Stacking Sliding Glass Doors are low maintenance and easy to use. The glass panels simply slide along a track when pushed, and stack behind one other at the end of the frame. With Pocket System, the panels disappear from view when fully open, as they tuck into the wall itself. This needs a bit of planning, as the wall will need to fit all the sliding panels. Corner System will bring light into your home regardless of the position of your house. For even more seamless transition between the indoors and out, you can find a design that does not require a supporting column.

Sliding glass door frames come in two different materials. Aluminium will give your home a modern contemporary look while the slim frames will maximise your view. Aluminium is a super durable material, which makes it the perfect choice for a new house extension door. Cheaper than aluminium but just as weather-resistant, sliding glass doors with uPVC frames are a great solution for replacement patio doors.

House extensions ideas open plan kitchen with and island

2. Open-Plan Kitchen with a Kitchen Island

From the house extension ideas, doing an open-plan kitchen will give you more space to prepare food, and it has several other advantages. Perhaps the most important one being the fact that your family will gravitate to such a bright, open space. And, of course, the heart of the kitchen has always been a ‘gathering area'.

Open-plan kitchens, work really well with the current interior trend - Kitchen Islands with large worktops that can be used not only for preparing meals but also for completing homework or arts and crafts projects. And, there is enough space to store all your dinner sets and kitchen gadgets. The seating area allows you to entertain your family or friends during a party or a get-together. Relaxed, open-plan kitchens with sitting area such as the one pictured have been incredibly popular for several years now – and the desire by just about every homeowner in London to get one doesn’t seem likely to go away anytime soon.

House extensions ideas exposed brick wall

3. Exposed Interior Brick Wall

When deciding what house extension design idea to go for, adding an interior exposed brick wall can give a touch of elegance to your extension. The combination will beautifully contrast with your furniture or kitchen units.

We offer our clients a choice of two patterns: Stretcher bond – where all the bricks are laid sideways exposing just the long side of each brick (the stretcher), and Flemish bond – which is created by arranging the stretcher side and the short side (the header) alternately.

There are many colours and types of bricks available, some of the most popular being the London stock brick, which is yellow in colour and reclaimed multi stock bricks (pictured).

House extensions ideas wood burning fireplace

4. Lounging Area with a Fireplace

A house extension provides you with the perfect opportunity to get a fireplace or a stove fitted. With room-sealed wood-burning fireplaces which are connected to an internal air source to prevent draughts, you can enjoy the warmth of a real fire even if your extension does not have a chimney.

Modern stoves are highly energy-efficient, so nothing can stop you and your family or friend from spending hours sitting in front of the fire in cold winter months. And with so many different design options available on the market, you should be able to find a solution regardless of your budget, whether you prefer a classic-looking fireplace or a contemporary hole-in-the-wall design.

House extension ideas extra bedroom

5. Extra Bedroom

A loft conversion or the second level of a two-storey extension can easily be turned into an extra bedroom. This spacious bedroom in a dormer loft conversion we have built for our client in Mill Hill is a great example. The combination of white and brown colours gives the interiors a luxurious feel. The made-to-measure wardrobe fitted by our carpenter ensures maximum use of the space.

To keep the bedroom bright and airy, we fitted large Schuco windows. The brown and beige tiles help the bathroom match the rest of the interior, which goes perfectly with the extension design. For our clients' comfort, our team of electricians fitted the conversion with state of the art electronic smart home system that operates the curtains, lights, heating, air conditioning, TV and more. 

House extension ideas strip lighting

6. Add Led Strip Lighting to the house extension

Adding led strip lighting to your house extension interiors will not only make your new room look modern and stylish, but they are also generally cheaper to run than traditional lights.

Not only they are energy efficient, LED strip lights flexibility means that they can be customised to suit each homeowner’s unique tastes and style requirements. Most strip lighting tapes can also be easily automated as they work with many smart home systems, allowing you to turn the lights on or off and adjust the colour and brightness just by tapping a button on your smartphone.

Strip lights are usually easy to fit. However, some LED strip lighting systems might need to be installed by an experienced electrician.

House extension ideas home gym

7. Personal Gym

If you tend to work out several times a week, turning your new room into a home gym could save you money as well as time by not having to travel back and forth to your local fitness centre. Having a home gym is another house extension idea that you can do. It has plenty of other advantages too, such as being fully customizable. You can select from different equipment such as treadmills, cycles, rowing machines, boxing gear, free weights and other fitness accessories.

A lot of gym-goers like to work out to the sound of music. With a home gym, you can listen to your favourite songs while you exercise, save in the knowledge that you will never again have to endure James Blunt blurting out 'You are beautiful!' while you are kicking the punch bag.

House extension ideas home office

8. Home office is an excellent house extension Idea

If you are building a double-storey house extension and have not yet decided how to use your new room on the upper floor, consider adding a home office to your property.

If you are self-employed or running a small business and are renting an office, you could be saving yourself a lot of money as well as time by having one in your house. Better still, you can decorate it to suit your taste and style. You could paint it with your chosen colour or apply fabric wall coverings to add texture.

Custom made-to-measure wooden storage shelving unit fitted by a carpenter will not only help you get the most of your space, but it also looks much better than metal filing cabinets.

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