Homeowners across the UK want more space but do not want the cost, stress, or uncertainty of moving. House prices remain high, and suitable properties are harder to find in many areas. For many people, extending their home is the more practical option.
Planning rules have also become more flexible in recent years, making it easier for you to add space without a full planning application. Because of this, more people are choosing to improve their homes rather than relocate. A well-designed extension gives you extra room, supports modern living, and helps you increase the value of your current property.
Understanding Home Extensions
A home extension helps you make better use of the space you already have. Single and double storey designs give you extra room without the need to move. They also support the way you live each day.
You might want a larger kitchen-diner, an open-plan living area, a home office, or another bedroom. These additions feel simple, but they make a strong difference to how your home works for you. An extension gives you space that fits your routine rather than forcing you to adapt to what is already there.
Costs and Budget Planning
The cost of a house extension varies. It depends on the size, design, and structural work needed. A single storey extension is usually the cheaper option because you build one level.
A double storey extension costs more upfront, but you get more space for each pound you spend. You add an extra floor without doubling foundation or roofing work. This matters if you want to increase space while keeping your budget under control.
Setting a clear budget, reviewing quotes, and understanding your priorities helps you plan the project with confidence.
Single Storey Extensions
Single storey extensions suit many property types. They work well when you want to expand your kitchen, add a dining area, or create an open-plan layout. These builds sit at ground level, so they link easily with your existing rooms and feel like a natural part of your home.
You can shape them to fit the rear or side of your property, depending on your available space. Roof lights and wide patio doors bring in more daylight, which helps the new room feel bright and connected to your garden.
Because everything takes place on one level, the build process stays straightforward. You avoid major structural changes upstairs, and most of your home remains usable during construction. This makes single storey extensions a practical choice if you want extra space without long disruption.
Double Storey Extensions
Double storey extensions give you more space without taking up much more ground. You gain two new rooms, one upstairs and one downstairs, so the overall footprint stays efficient.
Many households use the upper floor for a bedroom, study, or ensuite. The lower floor often becomes a larger kitchen-diner, a bigger living room, or a flexible family space. This split layout works well for growing families or anyone planning long-term improvements.
You also gain better value for the build cost. While double storey projects cost more upfront than single storey builds, you get double the usable space without doubling foundation or roofing work. This makes them a strong option if you want a more complete change to how your home functions.
Home Extension Design
A strong home extension design links your existing space with the new area in a natural way. You want each room to connect smoothly so nothing feels added on or out of place. Matching materials, colours, and window styles helps the extension blend with your property and supports a consistent look from inside and out.
Design also affects comfort. You manage heat, light, and ventilation through smart choices. Good insulation and the right glazing keep the space warm in winter and steady in summer. Window placement shapes how daylight enters the room. A simple layout helps you use the new space without creating dark corners or cramped sections. When you plan these details early, the room works better from day one.
Space Planning Tips
Think about how you move around your home and how you want to use the new room. Place doors where they support easy movement. Keep open space for social areas such as kitchen-diners or living rooms. Use quieter corners for offices, bedrooms, or hobby rooms.
Storage is also part of the plan. Built-in cupboards, utility areas, and clear routes through each room help you keep your home tidy and easy to use. Even small decisions, like where you place shelving or how you divide the room, can make your extension feel more organised and practical.
Planning Permission and Rules
Planning rules differ across the UK. Some extensions fall under permitted development, which means you do not need a full planning application. Others require approval from your local authority.
You need to check limits on height, depth, and how close you are to your boundaries. Clear drawings and early planning advice help you avoid delays. A site visit and accurate measurements make the approval process smoother and ensure your design meets the rules from the start.
Getting Professional Services and Advice
A home extension is a major project, and early professional advice helps you avoid costly changes later. An architect or design specialist can assess your property, check what is possible under local planning rules, and create drawings that match your goals. They help you plan structural needs, understand load-bearing walls, and choose layouts that make the most of your space.
You may also need guidance from builders, structural engineers, and building control. They confirm what is safe, what is required by law, and how the project will progress on site.
At Cube Installations, we guide you through each step. We review your ideas, explain your options, and help you choose a layout that fits your home. We manage design, planning, and construction so you have one team handling everything from the first sketches to the final build. With clear advice and a structured plan, we help you move forward with confidence and keep your extension on track.
Making the Right Choice for Your Home
Single and double storey extensions both give you more space, but they suit different goals. A single storey extension is often used for kitchen-diners, open-plan living, or a larger ground-floor layout. It costs less, takes less time to build, and keeps the work contained to one level. A double storey extension gives you extra bedrooms, bathrooms, or office space above, using the same footprint to add more room for the overall cost. It takes longer and involves more structural work, but it brings greater long-term value.
Both options help you use your home better without the stress of moving. The right choice depends on how much space you need, how you want to use it, and the budget and timeline you’re working with.
What to Expect During the Build
A home extension changes how your property works for a short period, so it helps to know what the build involves. Most single storey extensions take several weeks. Double storey projects take longer because of the extra structural work and the steps needed to support the upper floor. Your builder will explain the stages and give you a clear timeline before work starts.
Site access also matters. Your team will need space for materials, tools, and waste removal. You may need to keep parts of your driveway or garden clear. Clear access helps the build stay on schedule and reduces unnecessary disruption.
Day-to-day work will create noise and movement around your home. Builders try to keep routes tidy and safe, but you will notice changes while the project is underway. You can expect regular updates so you know what is happening each week.
Most extensions allow you to stay in your home while work takes place. Builders plan temporary protections, seal work areas, and help you keep key rooms usable. Good communication keeps the project manageable, so you always know what’s coming next and how it affects your day.
Why Choose Cube Installations
When you plan an extension, you need a team that understands the build, the regulations, and the day-to-day decisions that keep the project moving. Cube Installations supports you from design to completion.
Extending your home gives you practical space that fits your routine and future plans. Whether you choose a single or double storey extension, the right design and a reliable team make the project straightforward from start to finish. Cube Installations helps you build with confidence and create a space that works for your home.