The bottom of our blind valley was about 30 inches short of the bottom of the porch roof so we extended the line of the valley down to the edge of the new roof.
Joining extension roof to existing.
If you re adding to the gable end of the house the side wall that goes up to the roof s peak it s fairly easy to extend the existing roofline over the new space says curt schultz a realtor architect builder in pasadena calif.
How to join a lean to roof to an existing roof.
That s a simple low cost solution that can tie in well with the main house.
To do this we had to extend the plane of the shed roof out over the porch roof creating a small triangular extension of the existing roof.
Unique twisted roof on extension to grade ii listed cottage image credit.
While it looks like an impressive architectural gesture it is also an effective and practical solution to the problem.
In ni you are allowed to extend your house by up to 70mcu or 15 of the original house volume whichever is the greater if it is detached or semi detached.
A lean to roof also called a shed roof slopes in one direction with rafters that rest against another structure at their high end and overhang.