Is it worth building a house extension

Why Your New House Extension
Will Be Worth It

Posted by Craig | Updated April, 2024 | 5 Min Read Time

At a glance 

  • Your house extension will be worth more than the investment taken to build it financially and emotionally


In this article, you’ll find the following:

    • An explanation of whether you need planning permission for your new extension or not

The world of home improvement is vast, with endless possibilities waiting to be explored. As a homeowner, you’re constantly faced with decisions about how to make your space more functional, aesthetically pleasing, or simply a better reflection of who you are.

One such decision that many grapple with is whether or not to opt for a house extension. Is it really worth the investment, the time, and the effort? Today, I, Craig Smith, am here to share some insights on why your new house extension will not only be worth every penny but also every moment you invest in it.

A ground floor kitchen extension on Oaklands drive with skylight windows

With careful planning and the right team, your house extension will not only be worth the investment but also become a cherished part of your home's story

Wondering whether your extension is worth the investment?

Why Your New House Extension Will Be Worth It

Building a home extension can be a cost-effective and personalised way to increase living space, avoid the hassles of relocating, and add value to your property.

Before embarking on this journey, many homeowners ask, “Is an extension worth it?” considering both the financial investment and the potential to transform their living space.

Now, let’s dive into the specifics.

Personalised Design Tailored to Your Needs

When considering a house extension, one of the most enticing advantages is the sheer personalisation it offers. Imagine walking into a space that has been specifically designed to cater to your family’s unique needs.

Dream of a home library with a cosy reading nook? Or a sunlit art studio? Perhaps a spacious playroom for the kids? A house extension can bring these dreams to life.

Your vision is the only limit here. And this level of customisation isn’t just about aesthetics; it’s about creating a functional space that moulds perfectly to your lifestyle.

Provides Additional Living Space Without the Hassle of Relocating

Ask anyone who has recently moved houses, and they’ll tell you: that moving is stressful. From house hunting and packing up years of memories to adjusting to a new neighbourhood, the process can be tumultuous.

But what if you could get that extra space without having to pack a single box? That’s where house extensions come in.

Whether you’re expanding your family, welcoming an elderly relative, or simply want more room to breathe, an extension provides that much-needed space without the upheaval of relocating.

Stay rooted in your beloved community, keep your children in their schools, and avoid the labyrinthine process of changing addresses on official documents. It’s all about growth without the growing pains.

A Cost-effective Alternative to Moving House

From a purely financial perspective, a house extension can often be a more economical choice than moving. Remember, the cost of moving isn’t just the price of the new house. It includes estate agent fees, stamp duties, conveyancing costs, removal services, and more.

These can quickly add up, making the total cost of moving significantly higher than initially anticipated.

In contrast, an extension is a one-time investment. Plus, it adds considerable value to your property. You’re essentially enhancing your assets while creating a space tailored to your needs.

So, not only do you save money in the short term, but you also stand to gain in the long term when or if you decide to sell.

A wrap around kitchen extensions on Eagle way

Do I Need Planning Permission For An Extension?

A common question, and an essential one at that! In many cases, you won’t need to apply for planning permission. The majority of extensions fall under ‘permitted development’ – rights that homeowners possess to make certain modifications without seeking approval from local authorities.

However, it’s crucial to be aware of specific criteria your extension must meet to qualify. For instance:

– The extension shouldn’t consume more than half of the property’s land.

– It shouldn’t exceed the current roof’s highest part.

– There shouldn’t be any alterations to the existing roof.

And there are other criteria to consider, especially if you reside in designated areas like National Parks or Conservation Areas. Always research thoroughly and consult professionals when in doubt.

We recommend reaching out to your local building authorities to obtain the precise requirements and regulations for your loft conversion, regardless of the style you envision, ensuring you have all necessary planning in place.

Adding Value to Your Property

A well-designed, high-quality house extension can substantially boost the market value of your property. It’s a tangible enhancement, one that future potential buyers will see and appreciate. A larger, more functional space is always more appealing, and this appeal translates into pounds.

However, the emphasis here is on ‘well-designed’ and ‘high-quality’. A rushed, poorly planned extension can detract rather than add value. Hence, it’s paramount to work with reputable professionals who can ensure the highest standards for your project.


A house extension is more than just bricks and mortar; it’s an embodiment of your aspirations, a response to your evolving needs, and a testament to your home’s potential.

With careful planning and the right team, your house extension will not only be worth the investment but also become a cherished part of your home’s story. So, before you contemplate that ‘For Sale’ sign, maybe it’s time to look a little closer to home. Your dream space could be just an extension away!

If you are still interested in finding out more about house extensions, consider reading our blog on >> Are house extensions worth it?


Craig Smith

The founder of CJ Smiths Construction Company for over 14+ years and a proud citizen of St Albans City.

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