Adding an extension is one of the most effective ways to increase both the space and value of your home. Whether you are looking to create a larger kitchen, an extra bedroom, or an open-plan living area, the right extension can completely transform your property. But timing is everything. Knowing when to start your project can make a big difference in terms of cost, planning, and convenience.
Why Consider an Extension Instead of Moving?
The housing market can often be unpredictable, and moving home comes with a long list of expenses and challenges. From estate agent and solicitor fees to removal costs and stamp duty, moving can easily cost thousands before you even settle in.
By comparison, investing in a bespoke home extension allows you to stay in the area you love while adapting your existing property to meet your needs. It’s a long-term solution that adds real value to your home and enhances your lifestyle at the same time.
If your family is growing or you simply want more space for entertaining, working from home, or relaxing, an extension provides flexibility and comfort without the stress of relocating.
The Best Time of Year to Build an Extension
Extensions can be built at any time of the year, but certain seasons offer particular advantages.
Spring and Summer:
These are often considered the best times to start an extension project. The weather is generally more predictable, meaning fewer delays due to rain or frost. Longer daylight hours also allow builders to make faster progress, which can reduce overall build time. Spring and summer are ideal for projects that involve extensive groundwork or outdoor access, as the conditions are more comfortable for both the construction team and your family.
Autumn:
If you start planning early in the year, autumn can be an excellent time to begin work. Builders often have more availability once the summer rush ends, and you can have your new space completed before the winter months arrive. It’s also a good season for internal finishing work such as flooring, plastering, and decorating.
Winter:
While the colder months are generally less popular for building, they can be a good choice if you’re planning smaller projects or internal alterations. Many homeowners use this time to prepare designs, secure planning permission, and finalise their plans so they can begin building as soon as the weather improves.
Planning Ahead for Your Extension
The key to a successful project is preparation. Before construction begins, you’ll need to think carefully about your layout, design preferences, and whether planning permission is required.
Planning Permission Rules
In recent years, regulations have been relaxed, meaning many extensions can be built without formal planning permission. You are unlikely to need planning permission if:
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The extension does not extend more than 4 metres from the back wall of the original property.
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The height of a single-storey extension does not exceed 4 metres.
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No part of the extension is within 3.5 metres of any property boundary with a road opposite the rear wall.
For larger or multi-storey extensions, full planning permission will be needed. Our expert team can help you check what applies to your property and handle the process from start to finish.
How Extensions Add Value to Your Home
Beyond creating extra living space, an extension is also a smart investment. A study by Nationwide found that adding a double bedroom with an en-suite to a typical three-bedroom home can increase the property’s value by around 23 percent. That means your new space can pay for itself in the long run while improving your day-to-day comfort and functionality.
Even a single-storey extension, such as an open-plan kitchen-diner or garden room, can have a big impact on both usability and resale appeal. Buyers are increasingly drawn to flexible living spaces that feel modern, spacious, and energy-efficient.
Why Now Is a Great Time to Plan Your Extension
There’s never really a “bad” time to improve your home, but right now is a particularly good opportunity to start planning. Many homeowners are rethinking how they use their space, especially as more people work from home or want multifunctional family areas. With expert guidance, you can design an extension that enhances your lifestyle and future-proofs your property for years to come.
At Your Choice Home Improvements, our in-house designers and architects work with you through every stage of the process, from planning and permissions to building and finishing. Every project we complete is covered by a full 10-year insurance-backed guarantee (DGCOS) for total peace of mind.
To explore your options and start planning your ideal home extension, visit our extensions page.