Glass and Glazing Federation (GGF)

12 -14 Lord Street, Wigan, WN1 2BN

1 Bramber Court, W14 9PW

Flat 6 Wilton Court, Ludgate Hill, London, N10 1LU

27 Old Gloucester St, London, WC1N 3AX

Flat 502 Gregale House, 18 Voysey Square, London, E3 3FY

Flat 8 7 Grove Road, London, N12 9EB

Suite 7, 35-37 Ludgate Hill, London, EC4M 7JN

86-90 Paul Street, London, EC2A 4NE

Riverbank House, London, SW6 3JD

2 Fonthill Road, London, N4 3HX