​Here’s how to extend and remodel your terraced home | homify

​Here’s how to extend and remodel your terraced home

Johannes van Graan Johannes van Graan
Chepstow Place, London Maxlight Modern houses
Loading admin actions …

It’s no secret that a lot of UK houses are terraced (about a quarter of them, actually). And although there can be minimal space in which to extend, creative home design ideas (or a simple remodelling project) can transform your existing layout into a surprisingly spacious and stylish home. 

And let’s be honest: the original layout of most terraced houses – with tiny kitchens and smaller, separate living rooms leading off from one another with minimum natural light – just doesn’t suit modern life.

That leads us to the conclusion that a remodelling project might just transform that dull terraced house into a spacious abode – but what are our options? Well, let’s kick it off with some (big and small) terraced house extension ideas. 

1. A bigger kitchen

When it comes to terrace- or mid-terrace house extension ideas, the most common layouts feature small, narrow kitchens tucked away at the rear of the house. Sometimes they have direct access out to the back garden, and occasionally they might lead into a separate scullery.

The most popular way to gain a bigger kitchen in a terraced house is to create a terraced house extension / side-return extension. This involves incorporating the space behind the dining room, known as the ‘side return’, into the kitchen, adding around 1-2m to its width.  

Another idea (which works quite well in larger houses) is to reverse the typical layout of the house, relocating the kitchen to the front and merging it with the middle room to create a large and light kitchen / dining room.

Which of our professional Architects will you pick to help you with your dream terraced house extension ideas? 

2. A new dining room

Due to the typical layout of a terraced house, it often happens that there’s a middle room that suffers from a lack of natural light, either because of just one small window or sometimes none at all.

Fortunately you have options. The easiest (and often cheapest) solution is simply to open up this middle room into the front room, creating an open plan living/dining area while simultaneously allowing a generous dose of natural light to flood in from the often-large front window. 

And should you not be keen on the idea of two rooms becoming one, consider installing a sliding glass partition or archway between the two to create a more flexible arrangement.

3. Adding a downstairs WC

The Broadway, SW19 - Extension & Bathroom Renovation Grand Design London Ltd Classic style bathroom
Grand Design London Ltd

The Broadway, SW19—Extension & Bathroom Renovation

Grand Design London Ltd

A lot of homebuyers these days expect to find a downstairs WC. But in your quest to find the best space for one, bear in mind that the minimum practical space around standard sanitaryware in a WC is 200mm on each side and 600mm in front.

Although Building Regulations no longer prevent us from having a WC directly off a living room, kitchen or dining room, do ask yourself if this is really a practical solution. Rather consider placing your new WC either off the utility room or a main hallway.

On the other hand, that under-the-stairs space can also be styled up into a modest little WC.

4. Converting the cellar: yay or nay?

Pivot Door and Frameless Glass Box Extension Maxlight Modern houses

Pivot Door and Frameless Glass Box Extension


A new cellar might sound fantastic, but keep in mind that terraced streets have a ceiling value and you might never make back the money you spend on converting the cellar in this instance.

And even though you may not need planning consent, a range of other technical difficulties might give you some issues. As most cellars in terraced houses have low ceilings, the floors will need to be excavated to become extra living space. 

This involves expensive underpinning of shallow foundations, something that will at least double the cost of converting a cellar with sufficient headroom. And are you really prepared to let costs rise from approximately £750—1,200/m² to around £1,500—2,000/m²? 

Plus, don’t forget that these old cellars usually suffer from damp too, and so will need to be tanked, plus light and ventilation will also need to be considered.

5. Gaining more bedrooms

Adding an extra bedroom is a sure-fire way to add value to your house. Unless you are planning a loft conversion, the most obvious way of gaining a new bedroom is to add a two-storey extension to the rear of the house.

Although it might sound like it’s going to rock your budget boat, a two-storey extension is actually a very cost-effective method of gaining extra space, working out 20% cheaper to build per m² than single storey extensions. That is because the cost of the groundworks and roof is effectively halved, being spread between two floors. 

And don’t forget that you are gaining more space without eating too much into your garden area. 

Just remember the final bedroom-to-bathroom ratio. As a general rule, there should be one bathroom for every three bedrooms, so adding a fourth bedroom may also warrant the addition of an en-suite.

6. A loft conversion

Before you start planning, ensure that a loft conversion is actually viable. The amount of space you will have all depends on the height and pitch of the roof.

At least 2.3m of clear headroom is required for an area to be considered ‘usable’, plus there needs to be enough legroom for staircase access too. Here is where an architect or loft conversion specialist will be invaluable, as they can provide you with detailed information on your available space. 

It’s also possible to adapt the roof structure to create more usable space, replacing any bulky water tanks with a combination boiler in the kitchen to provide more legroom. But of course you need to determine if the new value and outgoing costs will balance effectively. 

Rather speak to local estate agents to determine how much value a loft conversion will actually add.

Your terraced house extension: safety and security

Muswell Hill, N10 North London Loft Conversions and House Extensions Builders Company Project Lccl Construction Modern dining room
Lccl Construction

Muswell Hill, N10 North London Loft Conversions and House Extensions Builders Company Project

Lccl Construction

While you’re considering all the different terraced house extension plans, keep in mind the condition of the street as well as the neighbouring homes. If you have little ones, think about the dangers posed by the nearby roads, for instance. And if there’s an alley or passageway at the back of the property, have a look if it’s clean and clear. 

Your terraced house extension: questions to ask yourself

Rear Extension MAGRITS Terrace house

Rear Extension


• Will the nearby roads be a problem for my children, especially when walking to and from school?

• Does the street and the surrounding area make us feel safe?

• Is the street properly lit?

• Are there any passages to the back of the property, and are they a security hazard? 

• Is there parking space for cars? 

Speaking of house extensions, have you seen these 18 affordable ideas

Making the most of a terraced house extension

When you're starting a small terraced house extension, you should consider going for a luxe look. With a connection to the outdoors, this terraced extension looks very smart, with simple furniture and large windows. Putting time and effort into a project like this can be consuming, so ensure that your project will take advantage of the landscape where you live too.

Putting some green into your extension isn't difficult. Consider adding house plants or planting a small garden on the terrace. Put in plenty of windows — getting enough light in the room is always a good idea.

It also may be best to go for neutrals. Depending on the rest of your home, neutral colors tend to look the most rich and, paired with the right furniture and materials, can look very luxe. Professionals can help guide you to the best options for your home.

Next up? Let's take a look at terrace flooring.

Would you consider remodelling your terraced house?

Need help with your home project?
Get in touch!

Discover home inspiration!