DIY Builds
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Can you build right up to your boundary line?

The side boundaries can be built up to but you may need to factor in other considerations. You cannot breach the boundary in plan and in what we call elevation, this factors in the 45-degree rule that most planning officers use.

How thick should concrete be for garage apron?
How thick should concrete be for garage apron?

Thickness: The concrete in the garage apron should be 4”. Less than this will not give you the required strength and the apron will crumble in no...

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What makes a quality shed?
What makes a quality shed?

According to Which, when looking for a shed, there are 5 things to consider; materials, size, sturdiness, weatherproofing and access.

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There are many factors to consider prior to building an extension on your property and before you start any building work these must be checked. An extension to your home is normally classed as ‘Permitted Development’ and fall under various categories.

Conditions to Build an Extension Under Permitted Development

You cannot have more than half of your land on the property to have additional buildings. That the new extension goes higher than the highest part of your roof or structure. The maximum height allowed for a single story extension is of no more than four meters. If you are building a structure of more than one story you cannot pass three meters beyond the original rear wall of the property. Single story extensions to the side of your property to be no more than four meters in height and no wider than half the original size of the property. For those building a double extension on their property, you cannot go closer than seven meters to the boundary. Any pitch on the roof that is higher than one story must match the existing pitch on the property.

Under permitted development you cannot add balconies, raised platforms or verandas.

How Close to my Boundary can I Build an Extension?

If you are planning on building an extension of more than one story you cannot go beyond the boundary at the rear by more than 3 meters. This only applies when there is no other property on the land to the rear of your your home. The side boundaries can be built up to but you may need to factor in other considerations. You cannot breach the boundary in plan and in what we call elevation, this factors in the 45-degree rule that most planning officers use. With this, they take the closest window to your build on your neighbour’s property and if it breaches the ‘imaginary line’ then planning permission can be denied. As part of your planning process, your neighbour can submit a householder planning application which voices their concerns. As with any build, it is always worth speaking with your neighbours especially when boundaries are involved. Let them see the plans, talk to them about heights from your build and if anything is of concern it can be rectified prior to any build which will speed up the whole process. As a rule of thumb, a build that reaches 7.2 feet is considered acceptable and anything over that we do recommend speaking to your neighbour.

Get in Touch

Our team at Extension Architecture can help you through this process and answer any questions you may have. You can call us on and offer a range of services and can provide you with a free quote.

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Can you run armoured cable along a fence?

Armoured cable is the rule of thumb method to be used externally but not to a fence.

Hi, my neighbour has decided to put up half a dozen lights along his driveway and has run a length of indoor cable along the fence to power them. He has put the cable on my side and I am concerned about safety. Is it OK to use indoor wire outdoors and can it be attached to a fence that isn't very stable.

If it’s not OK is there any specific rules I can show him to convince him its dangerous?

Thanks.

Thanks for the speedy answers, it was good of you to take the time - they were all very helpful. The NICEIC leaflet was particularly useful. Building control are going to take a look at it now.

UPDATE FOR ANYBODY WHO IS HAVING A SIMILAR PROBLEM.

Had to go to the county court and sued my neighbor for trespass. The court found the wiring in my garden constituted trespass and that the wiring had flouted building regulations. The Judge ordered the wiring removed and awarded compensation.

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