Chimney Height On Single Storey Extension

Wood stove chimney outlet height vs surrounding properties oct 6 2014 anonymous said.

Chimney height on single storey extension.

For single storey extensions. This means that below 38 degree roof pitches that the height of the flue outlet should be at least 1800mm above the roof when not close to the ridge and above 38 degree roof pitches the flue outlet height should be 2300mm horizontally back to the roof flue height figures are given in the table above where the flue is not close to the ridge. On article 2 3 designated land all side extensions will require householder planning permission. Can only be up to half the width of the original house.

I have a single storey flat roof extension on the rear of my 2 storey semi detached house into which i wish to install a wood burning stove. If necessary we d excavate a small spot at a corner of the chimney footing to. Whether your single storey extension is flat roofed or pitched in order to create a living environment which is light and welcoming for friends and family the right rooflights or pitched roof windows can make the world of difference allowing three times as much daylight into a room than vertical windows. In the case of the stainless steel ones you can usually extend it to about 1 5m above the roof surface before you need an additional brace.

Using standard dimensions i have carried out a rough evaluation of how the top of a chimney on an extension would compare with window height on the upper floor of an attached two storey house. So the height from ground level to top of flue i reckon is 3 5 4m. Yes it is a single storey extension on a two storey building. If this is a single storey extension you will also need to place a fire guard around any wooden joists in the roof void and continue out through the roof using the twin walled pipe use a flashing kit to seal the external roof and then finish with a suitable cowl with a rain cover and bird guard.

The flue is exiting through the wall and runs up past the eves by about 1 5 2m. Cannot exceed four metres in height. If the masonry chimney was properly constructed on an adequate footing then the footing may have been designed to support the added weight of a height extension but you must understand that one cannot possibly know that by a simple e text. Where it would extend beyond the side elevation of the original house the extension.

The ridge tiles are about another 1 5m higher. For flat roof extensions rooflights from eco are the. Would the outlet pipe need to be above the main roofline of mine and surrounding properties.