Nigel M. wrote:
"What can I do?"

You are installing an FM receiving antewnna inside. Go for a twinlead
dipole about 5 feet long and accept the received signals you get. Range
is line of sight so the nearby stations with high antennas will probably
be received satisfactorily. MFJ may sell such a dipole readymade.

Best regards, Richard Harrison, KB5WZI