Granny Annexe UK Design Guide: Top 5 Designing Ideas in 2023

Granny Annexe UK Design Guide

Having an elder loved one is a blessing but adjusting to a small indoor space may be inconvenient. That’s where Granny Annexes can help you utilize your outside space and keep your loved one close, whether it’s your granny or any family member.

Not only it gives you extra space, but an annex can also enhance the value of your main house. So, what exactly is a Granny Annexe, and how to design it for a convenient living?

If you have same question in mind, this article will help you. Read on to explore everything you need to know about Annexe buildings!


What is a Granny Annexe?

What is a Granny Annexe

A Granny Annexe is a garden building designed as self-contained accommodation for elders or any extended family members. While its name describes it as a place for elders, an annex is a perfect garden room for everyone from kids to people looking for a home office.

The best thing about granny annexes is you don’t need planning permission in most cases. According to Caravan Sites Act and building regulations, you don’t require planning permission for a new garden annexe unless you’re putting it for sale or rent separately.

Meanwhile, you may need a Lawful Development Certificate clarifying the garden building is part of your residence and deemed to be incidental.

How Much Does a Granny Annexe UK Cost? 

How Much Does a Granny Annexe UK Cost
Like every garden room, the cost of building a granny bedroom annexe depends on various factors including location, size, and bespoke customization. For instance, a bespoke project may cost more than a simplified garden annexe.

That’s why the average granny annexe uk cost is considered anywhere from £80,000 up to £200,000. Moreover, the garden buildings also need maintenance which may cost you some extra pounds.

Despite its expensive prices, it’s worth investing in a Granny Annexe because it adds 20-30% to the value of your property. The best bet could be to hire a professional service provider like Sensational Spaces to make your investment worthwhile.


5 Best Annexe Designing Ideas to Consider: 

Best Annexe Designing Ideas to Consider

Studio Apartment Design

A studio apartment-style granny annexe is a popular option especially if you’re looking for a one-bedroom granny annexe. It usually consists of an open-plan living space that includes a kitchenette, living area, and bedroom.

This design is perfect for a single occupant, and it can be made wheelchair accessible to accommodate mobility issues.

Traditional Cottage Design

The best option for double-bedroom granny annexe buildings A traditional cottage-style granny annexe has a more rustic feel, with a pitched roof and plenty of windows to let in natural light.

It may feature a small porch or patio area for outdoor relaxation and can be designed with a small kitchen, living area, and bedroom. This design can create a cosy and comfortable living space for a grandparent.

Contemporary Design

If you want to build self-contained garden annexes, a contemporary design can be the best option. A contemporary-style granny annexe features modern design elements such as clean lines, minimalist décor, ensuite shower room, and neutral colour schemes.

It often includes large windows and an open-plan living space that creates a bright and airy environment. This design can appeal to older adults who prefer a more modern aesthetic.

Accessory Dwelling Unit Design

An accessory dwelling unit (ADU) granny annexe is a separate living unit that is fully self-contained and can be attached to or detached from the main home. It can be designed with a small kitchen, living area, bedroom, and bathroom.

This design offers maximum privacy and independence for the occupant with a separate bedroom and other self-contained elements.

Two-Story Design

Having multiple guests at home? A double-story garden annex can help! A two-story granny annexe design allows for maximum living space on a small footprint. The first floor can be designed with a kitchen, living area, and bathroom, while the second floor can include a bedroom and additional living space.

This design can be ideal for families who want to keep their elderly loved ones close but still want to provide them with their own private living space. From the guest bedroom to the garden office, it may include everything you want.

Conclusion — Build a Perfect Garden Granny Annexe!

Conclusion — Build a Perfect Garden Granny Annexe

In conclusion, there are many different design options to consider when creating a granny annexe in the UK. Each design has its own unique advantages and can be tailored to fit the needs and preferences of the occupant.

From traditional cottages to contemporary designs, there is a granny annexe style to suit everyone. Whether you are looking to create a cosy and comfortable living space or a fully self-contained accessory dwelling unit, you have a variety of options to choose from.

With careful planning and consideration, you can create a beautiful and functional granny annexe that will provide your loved one with the independence and comfort they need while staying close to family.