N
Glam Fame Journal

Are garden rooms a good investment?

Author

Matthew Perez

Updated on March 27, 2026

Are garden rooms a good investment?

The short answer to this question is yes, garden rooms do add value – by increasing the square footage of a property’s living space. Leading property experts estimate adding a garden room can add 1.5 times their value to a home – depending on the quality of the build and costs of the installation.

Does a Seomra need planning permission?

Can I put in a Garden Room without planning permission? The vast majority of studios we install are exempted from planning under Class 3 of the General Exempted Development provisions of the planning regulations. The size limit for no planning is 25 square metres (268 square feet).

Can I build a garden room on the boundary?

If the Garden Room is within 2 metres of the property boundary the whole building needs to be less than 2.5 metres high. You can build up to 50% of the area of all your garden. Areas of Outstanding Natural Beauty; maximum size is10sq metres and it has to be at least 20 metres away from the house.

Does a garden room need planning permission?

Most garden rooms don’t require planning permission. They are classed as outbuildings, so you’re allowed to build one as long as you comply with certain rules. That’s as long as you have permitted development rights at your home or the area you live in. your home is a listed building.

How long do garden rooms last?

Garden rooms are designed to last for many decades with little annual maintenance. The external finishes used are chosen because of their long lifespan, roof coverings and claddings used, are estimated to last 25+ years.

Can I put a toilet in my garden room?

The simple answer is usually yes. The main aspects involved are running power to the garden room for lighting, water heating and ventilation, the supply of fresh water from the mains and the removal of wastewater.

What is the biggest garden room you can have without planning permission?

Including your roof, you can build up to 4 metres for a gable or 3 metres for all other designs. However, when building within 2 metres of boundary, the total height of your garden room, including the roof, is limited to 2.5m without planning permission.

What size garden room do I need without planning permission?

You may build without planning permission if your garden room is located more than 20 metres from your main building and less than 10m x 10m in size. You may build a garden room larger than 10m x 10m with planning permission.

Can you put a toilet in a garden room?

What size garden room can I build without planning?

What is the maximum permitted size without planning permission? The maximum area of floor space you are allowed without planning permission if 50 per cent of the garden or 30 square metres for every single unregulated building. The height will depend on the location of your room – please see above for details.

Can you sleep in garden rooms?

A garden building can have a lot of uses but without proper planning permission, you cannot actually live in a garden room. However, a garden room can be used as living space eg. an occasional guest room, a place for sleepovers and so on without the need for planning permission.

Can I build a brick office in my garden?

Your garden office can generally be built anywhere in your back or side gardens, so long as it is not built any further forward than the front of your home.