At Sutton Sheds, we have seen the explosion in popularity of garden sheds, log cabins, garden rooms and summerhouses over the years. Now, particularly with the rise in house prices, and people working remotely, more and more people are asking ‘can I live in my shed or summerhouse?’
The short answer is usually not — or at least not without permission.
Although garden buildings can legally be used as home offices, gyms, hobby rooms or occasional guest accommodation, the rules change and become much stricter once they are used as a permanent or self-contained living space.
Understanding the difference between an “incidental outbuilding” and a “separate dwelling” is the key to staying on the right side of planning law. Here, we break it down in simple, easy to understand terms.
What counts as a shed or summerhouse?
Where planning permission is concerned, most garden sheds, summerhouses, log cabins and garden rooms are classed as outbuildings. That is, secondary structures within the grounds of a house.
Examples of outbuildings are:
• Garden sheds (apex sheds and pent sheds)
• Garden offices
• Log cabins
• Home gyms
• Hobby rooms
• Detached studios
Under UK planning rules, these buildings are usually allowed under “permitted development” rights if they meet certain conditions (see below).
That’s why you can often install a garden shed or summerhouse without making a full planning application.
Do I need planning permission for a garden shed or summerhouse?
In many cases, no. Most domestic sheds and summerhouses will fall under permitted development rights in England, if they comply with the following rules:
• The building must be single storey
• Maximum eaves height of 2.5m
• Maximum overall height of 4m with a dual-pitched roof or 3m for other roof types
• If within 2m of a boundary, maximum overall height is 2.5m
• It cannot cover more than 50% of the garden area alongside other extensions and outbuildings
• It cannot be positioned in front of the house
• It must be for a purpose “incidental to the enjoyment of the dwellinghouse”
To learn more about the requirements for permitted development rights, read Does my shed need planning permission?
This is why standard garden rooms, storage sheds and summerhouses are usually straightforward to install.
However, permitted development rules do not automatically allow someone to live in the building full-time.
Why you can have guests stay in a summerhouse — but not live there
For homeowners, this is where the confusion occurs.
A guest occasionally sleeping in a garden room is very different from someone using it as a self-contained home, and planning authorities look at whether the building functions as an independent dwelling. The moment a garden shed or summerhouse becomes self-contained accommodation, it can trigger a “change of use” requiring planning permission.
Signs a garden building may be considered self-contained accommodation include:
• Whether there are permanent sleeping arrangements
• If there is a kitchen or cooking facilities
• If there are bathroom and shower facilities
• If the structure has separate utility connections
• If the structure has a separate postal address from the main property
• Whether someone resides in the building full-time
• If there is independent access and daily living facilities
A summerhouse used occasionally by guests generally remains ancillary to the main home. But if someone is effectively living there as their main residence, councils may class it as a separate dwelling.
It is this distinction that is of paramount importance.
The role of building regulations
Even where planning permission is not required, building regulations may still apply.
Many small sheds avoid building regulations entirely, especially if they are under 15 square metres and contain no sleeping accommodation. Larger insulated garden rooms may still need to comply with structural, electrical and fire safety rules.
If you intend to use a garden room for sleeping accommodation, regulations become much stricter, and potential issues include:
• Fire escape routes
• Insulation requirements
• Ventilation
• Drainage and plumbing
• Electrical certification
• Structural integrity
This is one reason why many “garden offices” marketed online are not automatically legal as full-time homes.
Can you ever live in a shed or summerhouse permanently?
There is the potential for this but only if certain, specific circumstances are met. To use a garden building as a permanent residential accommodation, you would need:
• Full planning permission for residential use
• Building regs compliance
• Permanent drainage and utilities
• Local authority approval
If these criteria are met, the structure would be classed as a dwelling rather than a simple garden building.
Homeowners can apply for permission for the following:
• An annexe
• Granny annexe
• Ancillary accommodation
• Garden annexe
• Detached accommodation
Local councils may approve an application where the accommodation remains tied to the main house and is NOT an independent property. In such a situation, for example, a relative living in a garden annexe may be acceptable if the annexe remains connected to the main dwelling and cannot easily be sold separately.
When would councils permit permanent living?
There are some situations where permanent occupation may be approved:
Granny annexes – as outlined above, a detached garden annexe for a dependent relative is one of the most common approved uses. However, councils will often impose conditions preventing separate sale or rental.
Agricultural or rural worker accommodation - in rural areas, temporary residential permission may sometimes be granted for agricultural workers or people managing land.
Replacement dwellings or self-build projects - some people temporarily live in cabins or mobile structures while building a permanent home. This often requires temporary planning permission.
The consequences of living in a shed without permission
Where neighbours complain or the council becomes aware, you could be liable to enforcement action as follows:
• Enforcement notices
• Orders to stop residential use
• Fines or legal costs
• Requirements to remove kitchens or bathrooms
• Difficulty selling the property later
Councils will investigate evidence of continuous occupation rather than when visitors occasionally stay overnight, and many disputes are raised (often by neighbours) over issues with noise, drainage, parking or obvious residential activity.
Conservation areas and listed buildings
Rules are stricter if your property is:
• In a conservation area
• A listed building
• In a National Park
• In an Area of Outstanding Natural Beauty
As permitted development rights may be reduced or removed entirely in these locations, it is important to check with your local planning authority before building a large garden room or summerhouse.
Wooden sheds and summerhouses in Lincolnshire from Sutton Sheds
At Sutton Sheds, our entire ranges of standard apex sheds, pent sheds, and summerhouses comply with height and size specifications and are not subject to planning permission. However, it is the responsibility of the building owner to check permitted development rules and to confirm whether building regulations are applicable. Where there may be any doubt, our advice is always to speak to your local council.
If you are looking for a quality wooden garden shed, a high-end garden room or an insulated summerhouse, simply complete our contact form, call 01526 342777, or drop in to our Lincolnshire workshop between 08.00-16.00 Monday to Friday.
