Summer Houses
Why Choose Green Retreats Summer House?
Choosing a Green Retreats summer house means investing in a high-quality garden space built for everyday living. Every building includes full insulation, premium double glazed windows and doors, integrated lighting, dependable electrics and low-maintenance finishes to keep your space warm, practical and inviting in every season.
With thousands of garden buildings installed across the UK, our summer houses are created to stand the test of time while remaining flexible for changing needs. Whether your space is for relaxing, entertaining, creative projects or quiet downtime, it becomes a natural extension of your home that adds valuable, usable space.
We provide a complete turnkey service, managing everything from design and measuring to groundwork and professional installation. All of our summer houses are crafted in the UK by our in-house teams and designed to align with permitted development guidelines, meaning planning permission is rarely required for most customers.
Shop Our Summer House Range
All of our summer house designs are created with relaxation, entertaining and hobbies in mind, featuring insulation, glazing and layouts designed to support comfortable everyday use.
Cost-effective
Basebox
From £9,995
Cost-effective garden offices for everyday home working.
Shop Basebox
The Original
G-Range
From £23,790
Purpose built garden offices for everyday professional use.
Extra Height
A-Range
From £30,995
Apex roof garden offices for spacious, full time use.
As seen on…
Can A Summer House Be Insulated For All Year Use?
Yes. A summer house can be insulated for year-round use when it includes insulation in the walls, floor and roof, along with high-performance double glazing. Properly constructed insulated summer houses retain heat during winter, reduce overheating in summer and help minimise condensation, creating a comfortable internal environment in every season.
At Green Retreats, our insulated summer houses are designed for permanent, all year use, with premium materials and professional installation included as standard, ensuring reliable comfort and long-term performance.
Whats Included In Every Green Retreats Summer House
Designed and Built in the UK
Every element of our summer houses are designed and manufactured in-house at our state-of-the-art manufacturing facilities in the UK.
Planning Permission Rarely Required
Planning permission is rarely required as our buildings fall within permitted development rights. Our friendly team are on hand to help if planning is required though.
12-Year Guarantee
All of our summer houses come with a comprehensive 12-year guarantee, giving you that extra peace of mind in case you have any issues.
Engineered for Year-Round Use
All of our summer houses are built with double-glazed windows & doors and premium-grade insulation, allowing the directional flow of air and moisture out of the building.
Environmentally Friendly and Sustainable
At Green Retreats, we’re landfill-free, solar-powered, carbon neutral and use recycled & sustainable materials only with every building we manufacture.
Fits Close to any Solid Obstacle
We can build as close as 400mm to any solid boundary obstacle, giving you full flexibility in the position of your summer house.
Cost-Effective vs Alternatives
Compared to the conventional single-storey extension, conservatory or loft conversion, our garden rooms are much more cost-effective.
Installed in Just 2-5 Days
We install all of our summer houses on-site in just 2-5 days, making them convenient and a hassle-free addition to your home.
How Do I Choose The Right Size Summer House For My Garden?
Choose the right size summer house by balancing how you plan to use it with the space available in your garden. Think about the furniture or equipment it needs to fit and allow enough room for comfortable movement rather than a tight layout.
You should also consider garden proportions, access around the building and how much outdoor space you want to keep. The right size should feel practical, well balanced and naturally integrated into your garden.
For help choosing the right size summer house, explore our garden room size guide below!
Summer House Gallery
Explore how our customers have brought their summer houses to life. From relaxing garden retreats to social spaces, step inside and see what’s possible.
Our Showrooms
See the quality of our garden room buildings for yourself by visiting one of our showrooms! Choose from our flagship showroom in Buckinghamshire with 21 garden rooms to see, or our hub showroom in Twickenham with 4 garden rooms on display.
Summer House Case Studies
See how real customers have transformed their gardens with bespoke summer houses designed around relaxation, hobbies and entertaining.
Multi-Purpose Family Summer house
Our customer had been searching for the best way to create more space for her family with the idea of having an area set ‘away from the house’ that could be used for a multitude of uses. Discover how we helped her create her dream multi-purpose garden room.
Our customer said “It means that our teenage children have somewhere to go with friends and relax in the evening. We put a kitchen area/ bar with a fridge inside too, so it’s a great place to hang out. We also use it for exercise purposes with our watt bike and space for yoga etc. It really is a multi-purpose and versatile room!”
Why Choose Us
20 Years of Know-How
Since 2005, we’ve been crafting garden rooms with a focus on quality, craftsmanship, and service.
5* Rated by Our Customers
Independently rated 5* on Trustpilot by our customers (over 17,000 of you!)
Family Run
Family values are at the heart of everything we do — that’s why our reputation for quality and care speaks for itself.
Dedicated Customer Advisor
To make your garden room journey smooth and stress-free. Plus, ongoing support from a dedicated aftercare team too!
Is Planning Permission Required for A Summer House In The UK?
In many cases, a summer house does not require planning permission if it falls within permitted development rights. This typically depends on factors such as overall height, size, location within the garden and whether your property has specific restrictions, such as being in a conservation area.
At Green Retreats, we design our garden buildings to comply with permitted development guidelines wherever possible and provide expert guidance to ensure your project meets current UK regulations.
Benefits Of Summer Houses
YEAR-ROUND COMFORT
A modern summer house is fully insulated and designed for everyday use, not just warm weather. Quality glazing and construction help maintain a comfortable environment in every season, so your space is ready whenever you are.
FLEXIBLE LIVING SPACE
A summer house adapts to your lifestyle. Whether you want a quiet retreat, creative studio, social space or hobby room, the building evolves with your needs, giving you extra room without changing your home.
QUICK, LOW-DISRUPTION INSTALLATION
Adding a summer house is far less invasive than a traditional extension. Professional installation is streamlined and efficient, allowing you to enjoy your new space sooner with minimal disruption to daily life.
DESIGNED AROUND YOU
Every summer house is planned with real-world use in mind. Layout options, finishes and upgrades allow you to shape a space that reflects how you want to relax, entertain or spend your time.
What our customers say
We are so pleased to be top rated on Trustpilot
by our customers.
by Louisa (Louisa Tudor)
Fantastic Room in a little London garden!
We now have an amazing room at the bottom of our garden that fits in beautifully and feels as though it has been there for ever. All the staff were incredibly helpful and friendly and the entire process was very straightforward.
by E Fisher (Diva Fitness)
Excellent choice of supplier for my Garden Studio! So pleased
Green Retreats deserve every single one of my star ratings! They have been very professional right from the start, from welcoming me to their warehouse to helping me make the right choice through to a fabulous installation. The finished studio is amazing, a top quality build and the installation teams were timely, polite and very hard-working.
Thanks to you all…what a fab company!!
by Alexa Garthwaite
Fantastic product and service to match
We had a 3.5m by 5m garden room installed last month and we are delighted with the result. We are using it as a home gym and love the extra space it has given us! The building also looks fantastic at the bottom of our garden. Green retreats have been an absolute pleasure to deal with. In summary I have been very impressed by both the product and the service provided by green retreats and highly recommend!
Summer House FAQs
Occasional sleeping, like a guest staying over or a lazy afternoon nap, is generally fine. A summer house isn’t classed as a permanent living space though, so it shouldn’t be used as a full-time bedroom or separate residence without the right permissions and compliance.
If you’re planning regular overnight use, it’s worth checking local rules to make sure everything stays within guidelines.
Yes. Many summer houses include electrical connections for lighting, sockets, heating and connectivity. This allows the building to function like a natural extension of your home. Installation should always be carried out safely and in accordance with regulations to ensure reliability and peace of mind.
Summer houses are versatile spaces that adapt to changing needs. Popular uses include relaxation lounges, creative studios, reading rooms, hobby spaces, entertaining areas or quiet retreats away from the main home. The best designs focus on flexibility so the space can evolve over time.
Yes, a proper base is essential. A solid, level foundation supports the structure, prevents movement, and protects against moisture. Without it, the building may become uneven over time, affecting doors, windows and long-term durability. A professionally prepared base helps your summer house perform reliably for years.
A garden building, including a summer house will add value to your home! Leading property experts estimate quality garden buildings add 1.5 times their value to a home.
We don’t offer a completely sound proof solution for your garden room. We do, however, offer an acoustic pack which reduces the transfer of sound to approximately -45db – however this is not ‘sound proof’. Although we use industry-leading acoustically laminated glass, this is the least effective component of our acoustic pack. Please bear in mind that the more glass you opt for on your garden room, the lesser the effect the acoustic pack will have.
As standard, all of our buildings are clad in maintenance-free Scandinavian Redwood. Also included is a 2.3m sliding door set and an opening lozenge window. We also include a choice of four flooring options, three double plug sockets, a choice of internal lighting, an external light, a 2-way consumer unit (fuse box) and a wall-mounted radiator.
DIY can seem cheaper upfront, but costs for materials, tools, groundwork, and your time can quickly add up. Buying a professionally made summer house costs more initially, but includes installation, quality construction, and warranties, which often makes it better value overall.
Usually no. A standard summer house used as part of your home does not have separate council tax.
Get Your Summer House Quick Quote
Request a quick, no-obligation quote in a few simple steps, and our Sales Team will get back to you as soon as possible.
