Granny Annexe Service

About Our Granny Annexe Service

At SmartBuild, our granny annexes are thoughtfully designed, self-contained living spaces that allow elderly relatives to stay close to family while still enjoying their independence. Each annexe is crafted to suit your needs, with options to include a comfortable bedroom, modern bathroom, and fully equipped kitchen.

Built with flexibility in mind, these versatile structures can be used for a range of purposes, from welcoming extended family or providing space for adult children to creating a private rental opportunity within your own garden. Whatever your vision, we ensure your annexe is practical, beautifully finished, and tailored to enhance your home and lifestyle.

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How We Work

Why Choose Our Granny Annexe Service?

Families trust us for our dedication to quality, thoughtful designs, and the care we put into building safe, independent living spaces for loved ones.

Tailored Design

We create fully bespoke annexes designed around your family’s needs, ensuring every space is comfortable, practical, and beautifully finished.

Independent Living

Our self-contained annexes give elderly relatives the freedom and privacy they need while keeping them close to the support of loved ones.

Quality Build

Using durable, high-quality materials, each annexe is built to last, offering long-term safety, energy efficiency, and year-round comfort.

Hassle-Free Process

From planning and design to construction and completion, we manage every step with clear communication and a smooth, stress-free experience.

TESTIMONIALS

What Our Clients Think

We take pride in delivering exceptional results and creating outdoor spaces our clients love. But don’t just take our word for it-hear directly from those who have worked with us. Read their experiences and see how our SmartSheds, fencing, and landscaping services have transformed their gardens.

We're rated

by our clients via Google

Ben and the team at Smart Build couldn’t do enough for us. They went above and beyond to make this project perfect and we highly recommend!

Amanda

Welwyn Garden City

Thank you Smart Build! Absolutely love my nail cabin, my clients are also so impressed! Will definitely recommend 5 stars!

Annie

Tewin

From start to finish, Ben and the team were brilliant to work with. Ben took the time to come round to discuss the options for our project, really listening to…

James Dunmore

Google Review

What We Do

Our Services

Garden Room Design & Build

Garden Sheds

Our Services

YOUR QUESTIONS, ANSWERED

Frequently Asked Questions

We understand that choosing to build a granny annexe is a meaningful decision for your family, and you may have questions about the process, design options, and what to expect. We’ve answered some of the most common queries to help guide you. If you’d like more information or want to discuss your project in detail, our team is always here to help, just get in touch!

Get in touch

Do I need planning permission for a granny annexe?

In most cases, a granny annexe will require planning permission, especially if it will be used as a separate living space. We’ll guide you through the full planning process and help ensure your annexe meets all local regulations.

What can be included inside a granny annexe?

Your annexe can include a bedroom, bathroom, kitchen, living area, and storage; all designed to suit your needs. We tailor every layout to ensure comfort, practicality, and independence.

How long does it take to build a granny annexe?

Timelines vary depending on size, design, and planning approval, but most projects take a few weeks from construction to completion. We provide a clear schedule so you always know what to expect.

Can the annexe be used for more than elderly relatives?

Absolutely. Many clients use their annexes for adult children, visiting family, home offices, or even as a rental opportunity. They’re versatile, self-contained spaces that adapt to your lifestyle.

What materials do you use to build the annexes?

We use high-quality, durable materials designed for long-term comfort and performance. Every annexe is built to withstand all seasons and maintain its appearance and functionality for years to come.

Will the annexe add value to my property?

Yes; a well-built, fully self-contained annexe can significantly increase your home’s value and appeal. It offers additional living space and long-term flexibility many buyers look for.

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