Range from the cheapest installation of outside garden lighting £160 (Sam Autos based in N19) to the dearest installation of outside garden lighting £280 (N4 Electrical Services based in N4).
Comparing electricians estimates for installation of outdoor garden lighting gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to install garden lighting in Hornsey by posting a job with HaMuch and we will send it to electricians in Hornsey.

"Wire outdoor garden lighting. I have 4 lights that need wiring in the garden, with wiring that can reach further than the wiring supplied so we can have them in the locations specified. We have an outdoor mains outlet. You have been recommended by Tottenham Dads whatsapp group."
N17