Flat Roof Gazebos


Flat Roof Gazebos

From £6,295

Ideal for summer shelters and dinner parties, the smart, all-wooden Flat Roof Gazebo measures just 2.5m in height and can be customised in size and style.

The fully customisable garden building means you can create a flat roof gazebo with sides, or opt for a free-standing structure with an intricate balustrade connecting the sturdy posts. A veranda floor can be added and the building can be ordered in a range of paint finishes.

4.8/5 Based on 109 reviews


5.4m x 3m

See details & spec for more information on available sizing.

*All prices include VAT. For assembly between 50-75 miles from BA14-0DT add 20%. For 75-100 miles, add 30%. Within M25 and over 100 miles, add 40%.

Price guide Enquire

Included as standard

  • 5.4m x 3m Flat Roof Gazebo
  • 28mm Thick walls
  • Posts with metal post anchors
  • Delivery to the UK via articulated lorry - delivery charges for a smaller vehicle will apply where access is restricted

Optional extras

*Only available with Garden Affairs assembly

Total cost:

Building Cost


Flat Roof Gazebo Features

28mm / 44mm Thick Walls

The timber flat roof Gazebo can be built in 28mm or 44mm high-quality, slow-grown Nothern European Spruce.

Available for DIY Assembly

Assemble your own Gazebo with our handy kit and set of guides, or have our team of experts install the building for you.

Fully Customisable Design

Change the size, colour, number of walls, floor, and more to make a Gazebo that's unique to your garden!

2.5m High Flat Roof

The sleek flat roof finished with a long-life rubber membrane is built to 2.5m in height to help comply with permitted development (in most cases).

  • Details & Spec
  • Custom Options
  • Advice & Resources
  • FAQs

Details & Spec

Create a garden hideaway amongst the trees with the versatile Flat Roof Gazebo. Perfect for the long summer evenings, this flat roof construction is under 2.5m high and meets planning regulations under most circumstances.

All timber is from sustainable sources and offers a traditional wood finish that can be stained or painted to suit your taste. Alternatively, a factory-treated and stained finish in 4 colours is offered.

The Flat Roof Gazebo may be custom-made to suit your needs.

Specification Size
Wall thickness 28mm or 44mm
Roof height 2500mm
Eaves overhang 180mm
Base dimensions From 2.4m x 1.8m to 4.8m x 3m

Flat Roof Gazebo Options

Choose between a range of custom options to make a bespoke flat roof gazebo for your garden.


The Gazebo can be customised in 60cm increments from 2.4m x 1.8m to 4.8m x 3m.


The exterior walls and gazebo posts can be factory painted in a choice of five popular colours.


Connect the posts with traditional timber balustrade, or leave the structure open and accessible.


Choose to have the gazebo positionad directly on your base, or fit wit a luxury Larchwood timber floor.


Add an additional storeroom on the size of your gazebo for cushions, seating or garden furniture.

Add windows

Let in light and and block out the breeze with the addition of letterbox or full-length windows.


Is the flat roof gazebo customisable?

Yes. Every flat roof gazebo we produce is completely bespoke and customised to suit.

Can the walls be removed?

Yes. The flat roof gazebo includes side walls that can be fully removed, or made into half-length walls with balustrade connecting to the corner post.

Design Your Own Flat Roof Gazebo

Use the 3D design tool to create a Flat Roof Gazebo that suits your garden.

Design tool

Examples of Flat Roof Gazebos

Below are some examples of alternative designs and configurations for the Flat Roof Gazebo.

Let’s create your perfect Flat Roof Gazebo

Our team are on hand to answer any questions and help design the garden office that's right for you.

Natasha Perks profile image

Natasha Perks

(4 years ago)

Garden affairs have done a great job at handling what proved to be a very challenging build in my garden. Owing to some strict regulations on my prop... Read more

Duncan profile image


(2 years ago)

Excellent friendly and helpful service from sales, delivery, groundworks, build and elctricals team. We're delighted with our Linea garden building.

Bethany Ajebon profile image

Bethany Ajebon

(1 year ago)

At every stage of planning and buying our garden office, Garden Affairs were helpful, quick to respond and always had time to answer all the big and s... Read more

4.8/5 Based on 109 reviews

What our customers say…

“ Thank You, for my wonderful Garden Room. I am so pleased with the 'room of my own' , I spend as much time as possible in it ! I sat in the warm and watched the snow we had in March… Read more

Mrs Hanratty - Chippenham

“ Just thought that I would write to say how wonderful the gazebo is now that it is fully installed and the paving re-laid. We are delighted & hope to make good use of it. Thank you… Read more

Mr & Mrs Price - Crowborough

" Just want to say a big thank you to Richard and his Team.  From the initial website enquiry to the office design/configuration everything was very professional with great communication. The… Read more

Mr Tidball - Bridgend

Contact us about our garden buildings

Please include as much information about the size and style of building you would like.

Alternatively - you can visit our showroom to see some of our garden buildings.

01225 774566
4.8/5 Based on 109 reviews

Send an enquiry

Optional file upload: You can upload up to three files, in JPG, PNG or PDF format, less than 2MB.

Optional product news and feedback

We may occasionally send email-updates with special offers or other product news. If you’d like to receive these updates please check the box below. You may also use this form to indicate you no longer wish to receive product news. Please note Garden Affairs WILL NOT share your details with any other company or organisation.

Send my enquiry