Do you need planning permission for timber framed extensions?
Do I Need Planning Permission for a Timber Frame Extension? Not necessarily. If your proposed extension meets certain criteria in terms of size and position, then you may be able to extend under Permitted Development Rights (PD).
What size of extension can you build without planning in Ireland?
40 square metres
Extensions smaller than 40 square metres The floor area of any extension above ground level must not exceed: 12 square metres for terraced or semi-detached houses. 20 square metres for detached houses.
How big can an extension be without planning permission 2020?
You can add a home extension or conservatory up to six metres, or eight metres if your home is detached, without needing to apply for planning permission.
Do I need foundations for a timber framed extension?
When adding timber decoration or supporting structures to an existing building, the current foundations will usually suffice. Although hardwood timber such as Oak is a heavy material, a foundation designed to support concrete or brick should be strong enough.
Is a timber frame extension cheaper than brick?
In truth, the initial design and construction of your timber frame home is often a few percentage points more expensive than brick-built homes. However, the savings on other elements of the build can have a huge impact.
What are the problems with timber framed houses?
Disadvantages of Timber frame: They’ll rot – The timber used in modern timber frame home designs are all pressure treated with preservative. So unless they end up resting in water you should be fine. Of course the risk of rot is greater with timber frame than cavity construction.
How deep should a footing be for a timber frame?
Depth: Footings should extend to a minimum depth of 12 inches below previously undisturbed soil. Footings also must extend at least 12 inches below the frost line (the depth to which the ground freezes in winter) or must be frost-protected. Width: Footings should have a minimum width of 12 inches.