I have been in contact with a few company's that do this and recieved a few quotes from them.
I am looking to have the light as big as A3 in a clear perspex box with a red tube light.
SOUTHERN NEON SIGNS
Thanks for your enquiry
The design you would like us to manufacture is possible but to make but a little larger would be better how about 550mm square the cost for this would be £274.00 + vat
clear acrylic display box
P&P £30.00 + vat
There is a 240v plug with 1.5m lead the tubing will be 10mm the life is any thing from 20000-40000 hrs there is a variety of colours this price is for basic colours ie: white/green/blue/red we can replace any of the parts
Quotation NO. 239421
To create a neon sign as per your design would cost
In the sum of £700.00 + Vat
Any queries please let me know.
Electro Signs Ltd
Tel: 020 8521 8066