Geo wrote:
SNIP

Though I suspect in the long run I will need to re-cable as the
stuff in the walls and to the antenna must be at least twenty years
old.
Mine was about 30 years old and I replaced it with a decent sat grade
when I put up a new aerial. Made an enormous difference to the
reception and the double screening on the coax prevents interference
pick-up. Total cost was about £40.

.... Thats cheaper than I thought it would be!
I might very well get an estimate :-)

Slatts