UK Garden Room Company


Green Retreats are the premier UK garden room company, specialising in fully-insulated garden rooms since 2005. 

If you are on the hunt for ‘garden rooms UK’ or a UK garden room company, look no further than Green Retreats. Our quality insulated garden rooms are a unique choice for making extra space at home, designed for use all-year-round with transparent pricing, so there’s no hidden cost when it comes to a Green Retreats garden room.

luxury garden room for entertainment




The Great British weather is notoriously unpredictable and highly changeable. The vast difference in temperature between our summers and winters mean that we need to be prepared for every possible eventuality when it comes to our homes and garden. 

At Green Retreats we understand the environmental demands placed on UK garden rooms and have perfected our construction especially with the British weather in mind. 

Warm in winter | Cool in summer | Dry and comfortable | + heating included in every building. 

Our insulated garden rooms are designed for use all year round. We have engineered our insulation layers throughout our buildings to make a comfortable and healthy space to use that should feel as comfortable as a room in your home.

Thick layers of insulation are paired with vapour barriers that directionally control the flow of air and moisture out of the building, keeping the inside dry and damp free. External heat is reflected away from the building, whilst internal heat is retained in colder months.

What’s more, every building comes as standard with an wall-mounted radiator – which, let’s face it – we could all sometimes use even in summer sometimes!

Do UK Garden Rooms require Planning permission?

Garden rooms in the UK generally don’t require planning permission, falling within permitted development rights. This makes our garden buildings an easier and more cost-effective way to make extra space at home compared to the traditional alternatives like a loft-conversion, extension, and garage conversion.

UK Garden Room Ideas

Garden space is at a premium in the UK, especially in the cities and suburbs. Gardens in new homes famously getting smaller and smaller too, making expanding on the existing house often very difficult to impossible. 

The traditional British home has all of the rooms in it allocated to a purpose when you buy it – dining room, living room, bedroom and – if you are lucky – an office or study. 

Where do you put your home gym, art studio, cinema room, man cave or home office for example? In America, they have basements for these kinds of ancillary uses – but even there what if you want fresh air, insulation and natural light? 

Outside shot of the garden room with somebody working in the space
garden room bar with doors open and table and chairs

A garden room creates a space at home that is free from the restrictions of the home; so that you can create noise, mess and have fun without the threat of disrupting the rest of your household. Our insulated garden rooms offer a year-round space solution for any idea you have in mind. Check out more of our garden room ideas and get inspired for your own project…

More garden room ideas

Designed and built in the UK

We design and manufacture  all of our garden room buildings ourselves, here in the UK. Our purpose-built production facility in Buckinghamshire is where we handcraft each building to order. We assemble your building into sections in our factory before we deliver and install them on-site. This makes the installation process much faster and more convenient for you at home, with installations normally lasting only 2-5 days on-site. 

garden room uk factory

Being at the forefront of garden room building innovation means that we are continually looking at new methods and materials to keep our buildings the best quality in the market. Whenever we source a new material we make sure that it meets the following criteria:

1) Can the materials be sourced locally? 

As well as supporting local British businesses, it also helps cut down on transportation pollution and carbon footprint

2) Can the materials be recycled? 

We are an eco-friendly garden room company, with quality and sustainability at the heart of what we do. To ensure that our buildings have no negative impact on the environment we ensure that any new materials are made from recycled materials or can be completely recycled.

Read more about how we manufacture our garden rooms


It’s true, a garden room can and will add value to your home!  What’s more, a garden room can help attract buyers to your property and get it sold more quickly. We spoke with industry professionals including estate agents, mortgage advisors and developers for their insight on how a quality garden room building can add value to your home. Find out what they said by reading our blog about how a garden room can add value to your home…

The great news is we supply and install our garden room buildings all over the mainland UK. What’s more, if you live within 100 miles of our Buckinghamshire production facility (HP18 0XB) then delivery is free of charge.

Our prices are transparent to keep things simple. There are no hidden costs when you choose a garden room with us with all of the ‘essentials’ included in the price. This includes installation, VAT, base/foundations, doors and windows, internal electrics, heating, lighting and much more. View our price list to see the costs of our buildings.




Find out more about our UK garden rooms from the comfort of your own home by requesting our brochure below that you can browse at your leisure with a cuppa in hand.

We also have two garden room showrooms in the UK where you can see our building styles, quality and uses in person!

  • Please enter the first part of your postcode so we can calculate shipping.

Building Measurements

You can get a great idea of how your new garden office will look by using the 360 degree rotating viewer.

Also compatible with mobile and tablet devices


Design Your Building

Start designing your garden room today using our online Visualiser tool. You’ll be able to choose your style, size, finishes and get an accurate cost.

Design Your Building