How high can I build in my back garden?

Asked by: Vito Green  |  Last update: June 20, 2026
Score: 5/5 (39 votes)

In the UK, you can generally build a detached garden structure (shed, summerhouse) up to 4 metres high with an apex roof, or 3 metres with a flat/pitched roof, without planning permission. However, if the building is within 2 metres of your boundary, the maximum height is restricted to 2.5 metres.

Can I put a 6ft fence up in my back garden?

In a back garden, your fence should be no higher than 6.56 feet (2 metres), while front garden fence height regulations, or if next to a footpath or public road, should be no taller than 3.28 feet (1 metre).

How high can you build in your back garden?

If the Garden Room is located within 2 metres of the property boundary, it is necessary for the entire building to be no taller than 2.5 metres. You are allowed to build structures on up to 50% of the total area of your garden.

How high can I build a shed next to my neighbour's fence?

For sheds with a ridged roof, the maximum height is typically 2.5 metres, provided the shed is more than 2 metres from any boundary. Flat or mono-pitch roofs generally must also not exceed 2.5 metres.

How high can I raise my garden?

Raising your garden level a small amount is likely to not require planning permission as it is likely to have minimal impact on the chances of flooding or overlooking your neighbours. Increases of over 30cm may require planning permission as a significant change can impact drainage or your neighbours.

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30 related questions found

Can I put a trellis on top of my fence?

Yes, you can add a trellis to the top of an existing fence to increase privacy or height, but it requires secure installation to handle wind loads. The best method involves securing the trellis to extended fence posts or using specialized U-channel brackets on concrete posts.

How high can something be in your garden?

The maximum height of a back garden fence without planning permission is two metres. This includes any trellis topping and is measured from the ground to the top of the fence. If you want to install anything higher than that – anything up to 100 metres – you need to first seek consent from the local authority.

Can my neighbour put up a 7 foot fence?

Whether your neighbor can install a 7-foot fence depends heavily on local municipal zoning codes and Homeowners Association (HOA) rules, which frequently cap backyard fences at 6 feet. While 7-foot fences are possible in some areas, they often require special permits, variances, or adherence to specific setback regulations.

Is there a maximum height for a garden shed?

If your shed is within 2 metres of any boundary (fence, wall, hedge), the maximum height is 2.5m from ground level to the highest point of the roof. So if you are wondering “how high can a garden shed be” or “how tall can I build a shed” close to a fence, the safest answer is: keep the overall height under 2.5m.

Can I build a fence right next to my neighbor's fence?

As a rule, if a fence is not a boundary fence, it must be built at least two feet inside your property line. The best options for building near a neighbor's existing fence are placing the new one right up against the current one or leaving enough space between the fences for someone to mow.

Can you build in the back garden?

Gaining backlands planning permission

Ultimately, you'll need a creative design that minimises any impact to the neighbours, whilst also providing well designed and accessible accommodation for the new homeowners.

Can you legally turn a shed into a house?

Yes, you can legally turn a shed into a house, but it requires transforming the structure to meet strict residential zoning laws, building codes, and safety standards. It is usually illegal to simply live in a standard utility shed. The converted structure must comply with regulations regarding foundation, plumbing, electricity, insulation, and minimum square footage.

Can I build a 6 foot high fence in my side yard on a corner lot in Edmonton?

In Edmonton, you generally cannot build a 6-foot (1.85m) fence in the side yard of a corner lot if it faces the street. For corner lots, the side yard facing the road is considered a "flanking" side yard, limited to a 4.3-foot (1.3-metre) height. A Development Permit is required for any fence exceeding these height restrictions.

Can I make my fence higher?

Yes, you can make your fence higher, typically by adding extensions to existing posts, attaching trellis panels, or installing taller pickets, provided it complies with local, 2026 regulations. Common methods include using wood extenders for timber fences or specialized sleeves for chain-link, with 1–2 foot additions being common.

Do you need neighbour's permission to put up a trellis?

If you own the garden fence, then there are no restrictions. You can paint it, install trellises, or grow climbing plants without needing extra permissions. However, if the fence belongs to your neighbours, then everything is a little more complicated. Without permission, you could face legal difficulty.

Can I build a brick shed in my garden?

Do you need planning permission for a brick shed? You won't usually need planning permission to build a brick shed unless your home is a protected building. If you are unsure, it's always best to check with your local council before committing to the build.

How high can a shed be next to a neighbour's fence?

Overall height must not exceed 4m (dual pitched roof) or 3m (any other roof) Maximum height of 2.5m if the shed is within 2m of a dwelling boundary. No raised platforms, verandas, or balconies. The shed must not cover more than half of the area surrounding the house.

What is the 2.5 m height rule?

The 2.5-metre rule applies to the maximum height of a garden room when it is built within 2 metres of your property boundary. If your garden space is placed within 2 metres of any boundary (e.g., fences, walls, or hedges), the total height must not exceed 2.5m to qualify as permitted development.

Can I put a trellis on top of my 6ft fence?

Yes, you can put a trellis on top of a 6ft fence to increase privacy or add height for climbing plants. It is generally recommended to use 1ft to 2ft trellis panels and secure them firmly to the existing posts using U-brackets, screws, or specialized post extenders to withstand wind.

Can I have a 6 foot fence at the front of my house?

Generally, you cannot have a 6-foot fence at the front of your house, as most U.S. municipalities restrict front fences to 3 or 4 feet to maintain traffic safety and neighborhood aesthetics. While 6-foot privacy fences are standard for backyards, front yards often have strict restrictions on height and opacity.

Can I force my neighbour to put up a fence?

Generally, you cannot force a neighbor to build a fence unless a local statute, covenant, or safety issue (like an unsecured pool) mandates it. While you cannot easily force construction, you may be able to force them to share costs if local “good neighbor” laws exist, or force them to comply with height/placement restrictions via homeowners associations (HOAs) or city code enforcement.

Can I put a higher fence up next to my neighbours?

Fence height limits are 2 metres at the rear and 1 metre at the front without planning permission. Ownership is determined by property deeds, not side assumptions. Open communication with neighbours is the best way to prevent disputes.

Do I have to cut my hedge on my neighbor's side?

Yes, if the hedge originates from your property, you are generally responsible for maintaining it even when trimming is required on your neighbour's side.