Phone this person: Shame Clemont, 07773941745. Hes been a welder for years and recentley set up a work shop in his garage doing this kind of work, tell him Lance give you his number, hes based in Baglan btw.
Or Lee Ashman on the same estate as us - does very nice railing/gate work at reasonable rates - long established firm. (& there's nothing wrong with shopping around/getting several prices). Tel 01685 814964, tell him Al @ Alsa recco'd. Hope this helps? Al.