To add a second unit in your house, you will need a building permit. You or your agent can apply for one at your local building department. You will need to submit: a completed application form and any other forms and supporting documents requested by the municipality.
Can I extend the back of my house?
If your house is more than one storey, then if you extend, you cannot go past the back wall of the house by over three metres. The maximum height of the extension’s eaves needs to be three metres if you are within two metres of the boundary. The ridge and eaves height cannot be taller than the existing property.
Do you need planning permission to extend back of house?
The short answer is that you DON’T need planning permission for an extension if you build within your permitted development rights. Most of the restrictions that don’t fall under permitted development are for work to the front of a house, next to a road or near a boundary.
How far can I extend my house at the back?
Permitted development rights
Width: the width must be less than 50% of the width of the existing house. Length: the max length of rear extensions is 3m for terraced or semi-detached houses, up to 4m for detached houses. Height: for 2 storey extensions, the height must not exceed the height of the existing house eaves.
What is the extension on the back of a house called?
Rear extensions
As the name implies, a rear extension is placed at the back of your property, extending onto the current garden or patio area. They’re typically used to create larger open plan living spaces and blend the indoor/outdoor space.
Do I need an architect for a rear extension?
There is no law saying you have to employ an architect. It is up to you. Some people successfully undertake quite major works – including whole house refurbishments and extensions without an architect. Others employ one for comparatively minor jobs, such as redoing a bathroom or redesigning a kitchen.
Can a Neighbour stop you building an extension?
In answer to the question – can my neighbour stop me building my extension? The answer is no, they cannot. They can request additional details which (1) makes things more expensive for you and (2) takes additional time. They cannot stop you from building.
How far can I extend my house without permission?
1. Under the relaxed rules, you can extend up to eight metres for detached houses and six metres for all other houses. Please note that for these larger extensions (beyond four and three metres respectively) you will need to give notification under the Neighbour Consultation Scheme.
How far can you extend without planning permission?
Larger home extension scheme
Now, homeowners wishing to build larger extensions can simply apply for prior approval. With prior approval, you can extend a detached home as far as 8m for detached houses and 6m for other types of houses.
What is the 7 year rule in planning?
The so called “7 Year Rule” derives from Section 157(4) of the Planning and Development Act, 2000 which says that the local authority may not serve an enforcement notice or take proceedings for an unauthorised development after 7 years have commenced since the unauthorised development commenced.
How big can a rear extension be?
How big can a rear extension be? To take advantage of this extra allowance under permitted development, you’ll need to ensure your plans extend no more than 8 metres (for a detached property) or 6 metres (for all other properties) from the rear elevation of the original house, as it stood on 1 July 1948.
What is the 45 degree rule?
The 45-degree rule is assessed on both plan and elevation. An extension should not exceed a line taken at 45 degrees from the centre of the nearest ground floor window of a habitable room in an adjoining property.
Does rear extension add value to house?
Build Costs Vs Value Gain
In most cases, adding an extension will increase the value of a property. However, that isn’t the only consideration you should make. If you are planning on selling your property in the near future, the cost of creating an extension must be less than the value you’ll gain from doing so.
What is the cheapest type of house extension?
1. Consider a single storey extension. Single storey extensions are often the cheapest and most viable option, and could totally transform a small home, bringing in light, extra living space and opening up the house to the garden.
What is a rear extension?
As the name suggests, rear extensions extend out from the back of your property and are typically carried out on properties where there is no side return option or on detached properties. They extend the size of your house and can usually include a dining or living space in addition.
Can I build a rear extension myself?
“The best advice is to leave construction of the main shell of your extension to your appointed contractor or trades. Groundwork for extensions needs to be done with accuracy and requires co-ordination with other trades as well as with building control,” explains Ian.
What are permitted development for rear extensions?
Rear extensions of more than one storey aren’t permitted on designated land. Similarly, this depends on the local authority and how lax their rules are. Single-storey rear extensions must not extend beyond the rear wall of the original house by more than 4m if you live in a detached house or 3m for any other house.
How long does a rear extension take to build?
How long does it take to build a kitchen extension? On average, building extensions in London can take 10-12 weeks to complete but this depends on a number of factors, the main one being the size of the building as well as the specification of the project – sometimes a big build can take longer.
Do I need to tell Neighbours about extension?
The technical term for this is called serving notice. In short if you want to make your home bigger and are attached to (or are in close proximity to) another property, you will most likely need to notify the neighbour(s) about your extension.
Can I use my Neighbours wall as part of my extension?
Can I use my neighbour’s wall? This question often arises when people want to build side extensions. Side extension rules are the same as any other boundary. The wall can only be used if it is an existing party wall or party fence wall – that means the boundary line must run through it.
Can my Neighbour build right to my boundary?
The short answer is “yes, subject to serving a valid notice and following the processes set out in The Party Wall Act. The party wall act only applies to “structures” (ie: a wall with a foundation), it does not apply to timber fences or other screens.