replacing tiling underlay/sarking

[felly]

Is there an easy way to replace the tiling underlay on a 1930's 3 bed semi.
I am looking at purchasing this property and notice all the existing underlay has perished. How much would it cost to do this project.

 

[datarebal]

There is only one way to do it correctly, which is strip roof back to rafters,fit underlay,new batten and retile..

cost..depends on lots of things

 

[noseall]

the underlay may only be building paper anyhow.

i would strongly recommend a breathable roofing membrane, should you do decide to replace, as this cancontribute to venting without using an ugly visible alternative.

as indeed would overfascia vents.