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Do pergolas require planning permission?
Whether you’d like to create an outdoor sanctuary or simply provide sun shade and UV protection during a family gathering meal, a pergola structure can bring your vision to life as well as offer an all-season oasis, even with British weather. However, one of the most common questions we usually receive is that if a pergola installation needs planning permission?
In short, most pergolas do not require planning permission. However, there are a few exceptions. In this article, we will go over the requirements for pergolas to help you decide whether you need a planning permission.
WHAT SIZE ARE YOU CHOOSING?
The size and type of pergolas will affect if you need planning permissions. If your pergola is small, standard sized designed for residential gardens, it should be fine.
Following the general rule from 1st October 2008*, pergolas and other garden structures are generally exempt from seeking planning approval as long as the following requirements are met:
1. No structure forward of the principal elevation fronting a highway.
2. It must be one story, with a maximum eave’s height of 2.5 metres and a total height of no more than or equal to 4 metres for a pitched roof or 3 metres for any other type of roof.
3. The maximum height can be more than 2.5 metres within 2 metres of a boundary.
Planning permission is probably required if the pergola you expect is larger than these and enclosed by walls and a roof. This is due to the fact that it can be considered as an expansion of your property. However this a very grey area in terms of whether the structure is a ‘temporary’ structure or not. All these pergola systems are designed for outdoor use and do not require foundations as used in normal domestic house building or indeed damp proof floors and building control sign off.
DO YOU LIVE IN A CONSERVATION AREA?
You will most likely need planning approval if you live in a conservation area or if the structures will be built on the side of your house between the house and the boundary. Both conservation areas and the side spaces between homes are locations where councils want to strictly control development, therefore, a pergola would probably need approval first.
Similarity, if your property is a designated listed building, you will need planning authorization. To maintain the historical integrity of a listed building, permission is required for any external changes. Pergola installation would be subject to listed building rules since it would be considered an external change.
CHOOSE THE RIGHT PERGOLA FOR YOUR GARDEN
The word and definition of ‘pergola’ has significantly evolved in the last five years in the UK.
Originally we only ever heard the term referring to a timber structure used in gardens and terraces for light sun shade and growing various climbing plants up and along the roof beams. It defined an outdoor seating area for relaxing and enjoying outdoors
Now however, whilst the intended purpose may be similar, the term ‘Pergola’ refers to various aluminium and steel structures with integrated fixed or retractable roof systems which can offer far greater performance. These can be structures with awning fabrics, triple layered waterproof fabrics, rotating aluminium blades and even glass. With their intended use, they have effectively become more like the definition of a ‘gazebo’ for their function.
Pergolas in 2025 are being used to create defined outdoor spaces with either sun shade or rain protection or both of course, with even further weather protection from infilling one or more sides of the structure..
So, which pergola is right for you?
Basic Sun Shade
A wide range of sloping or flat roof structure pergolas with retractable, outdoor specification fabrics. The most basic systems just slide back and forth with a pulley system and can be manual or electric operated.
Sun Shade and Light Rain
More advanced pergola systems, with far higher wind ratings, operate in and out of a closed cassette under great tension and some models will be zipped into the side channels for 4 sided fabric tension.. This tension provides greater wind ratings and also ensures when used in rain the weight of the rainwater doesn’t sag the fabric and cause water pooling and damage on the cover.
Sun and Rain (with wind protection options)
Many systems exist for rain protection, with and without built in rainwater guttering.
The structures are usually stronger and can also incorporate additional products to the sides for protection against wind and driving rain.
Fabric roof systems retract where louvre bladed systems generally do not, although there are some models which do retract to expose around 80% open clear roof.
Think carefully on louvre bladed systems as when being used for rain protection they are totally closed and act like a blackout blind blocking all natural light, where fabric roof systems can let good level of light through special fabrics designed for this purpose whilst still 100% waterproof. This can make the area underneath very pleasant or very dark.
There are many other options with bespoke shapes and functionality and the larger you go the more likely planning permission would be required.
At Samson Outdoor Living, we complete a full comprehensive survey for our customer before adding a pergola, making sure it complies with local planning permission rules. The right pergola is not just about style and function – it also needs to meet height, size and placement regulations to avoid potential issues. Thus, if you have any questions, contact us today so we can help you choose a pergola that aligns with planning guidelines and keeps your project hassle-free.