Garden Annexe | A Better Way to Expand Your Home

When families run out of space, the first thought is often to move house. But a garden annexe offers a better way to expand your home without the stress or cost of relocating. Instead of uprooting your life, you can add a flexible, self-contained space designed exactly for your needs.

A garden annexe offers another option. It expands your living space without the stress of leaving your home behind. More and more families are discovering that an annexe provides the flexibility they desire, while also enhancing the value of their property. Learn more about our bespoke builds.

Space Where You Need It

A garden annexe is a self-contained building designed around your lifestyle. Unlike a standard extension, it sits separately from the main house, giving you freedom and privacy.

It can be:

  • A guest suite for visiting friends or relatives.
  • A studio apartment for older children or young adults.
  • A quiet office away from household noise.
  • A Granny Annexe – a secure, safe space that keeps your loved ones close while giving them their own privacy and independence.
  • A flexible retreat for hobbies, fitness, or downtime.

Because each annexe is bespoke, you decide how it looks and functions. Explore some of our case studies.

Why Not Just Move?

Moving house is expensive. Estate agent fees, legal costs, stamp duty, and the higher price of a bigger property all add up. Add in the stress of packing, the uncertainty of the market, and the disruption to schools or work, and it is easy to see why families hesitate.

By comparison, an annexe is straightforward. You invest in your current home, keep the location you already like, and gain the exact space you need. In many cases, it increases the value of the property too. Learn more about our process.

Designed for Year-Round Living

One question people often ask is whether a garden annex is practical throughout the year. The answer is yes.

Modern annexes are built with high-quality insulation, double glazing, and reliable heating. They are warm in winter, cool in summer, and just as comfortable as the main house. That makes them suitable for full-time living as well as occasional use. See how we design for comfort in our bespoke builds.

Quicker and Less Disruptive Than Extensions

House extensions take time and can make daily life difficult while the work is going on. A garden annex is different.

It is built as a separate structure, which means less disruption to the main home. At Four Oaks, projects are usually completed in under three weeks, from preparation to finish. Families can move into their new space quickly, without months of dust and building noise. For examples of fast, stress-free builds, visit our case studies.

Adding Long-Term Value

An annexe is not just a short-term solution. It often adds long-term value to a property. Buyers appreciate the benefits of a self-contained living space, whether for family use, as a guest accommodation, or for rental purposes. That makes an annexe an investment in both comfort and future resale value.

Why Families Choose Four Oaks

Four Oaks designs and builds Bespoke annexes that meet the specific needs of each client. Families choose us because we offer:

  • Bespoke design tailored to lifestyle and space 
  • Full insulation and double glazing for all-year use.
  • Clear, transparent pricing with no hidden extras.
  • Fast build times, usually under three weeks.
  • A smooth process from consultation to completion 

This approach ensures your annexe is not only practical but also adds genuine quality to your home.

Final Thought

If you need more space, moving is not your only option. A garden annexe gives you flexibility, comfort, and value while keeping you in the home you already love.

Get in touch today, explore our case studies and process. We’ll provide all the information you need to take the next step.

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Please feel free to get in touch, whether it be for questions regarding our products, arranging a site survey or if you’d like to find out how to book a viewing at our showroom… our dedicated team are always here to help!

Contact Us

Please feel free to get in touch, whether it be for questions regarding our products, arranging a site survey or if you’d like to find out how to book a viewing at our showroom… our dedicated team are always here to help!

Quick Quote Form

To help us provide you with a more accurate quote, please complete the form below with as much detail as possible.


Below, we’ll ask a few questions about the size and style of garden room you're looking for — if you already have an idea in mind, great! If not, just give us your best guess.

Next, we’d like to know if there are any obstacles or access issues and the current foundations we should be aware of. Remember, we’ll need to bring large sections of timber through to the build area.

We understand life can be busy, so let us know the best way and time to contact you — whatever works best around your schedule.

If there’s anything else you’d like to add — or any details you think might help us further — feel free to include them below.