Offshore studios will quote you a fraction of a UK rate, and sometimes that is exactly the right call. I run a London studio, so read this knowing my bias, but I am not going to tell you offshore is always wrong, because it is not. What I will tell you is where the cheap price genuinely saves money and where it quietly costs you the project it was meant to win.
The line is simpler than the marketing on either side suggests. It comes down to what the render has to do: fill a slot, or win a room.
If you need volume at low stakes, offshore is hard to beat on price. Bulk product shots, simple room sets, early-stage internal visuals that nobody outside your team will judge, a populated catalogue of basic renders. When the brief is "make 50 acceptable images cheaply" and no single one decides a deal, paying UK rates is overpaying. I would send that work offshore too.
A lot of CGI is exactly this, and pretending otherwise would be dishonest. If price per acceptable image is the only metric that matters for a job, the geography that does it cheapest wins.
Now the other case, and it is the one that matters for a fit-out firm. A pitch render is not filling a slot, it is standing in for the quality of a 3 to 5 million pound build the client cannot see yet. On that job the client reads the CGI as a proxy for how you will finish the real space, whether they say so or not. A stiff, flat, cheap-looking render plants a doubt about the whole delivery, and that doubt loses tenders. I have watched it happen.
Cheap renders are a tell. A studio that cut corners on the lighting and the materials in the image signals it will cut corners on site too. The saving on the render is invisible next to the lost fee on the project. This is why the studios that competed purely on price are mostly gone now, not killed by AI, but by being forgettable when it counted.
There are practical frictions too, and I will be fair: they are manageable, not fatal. Time zones are the quiet one. Timezone gaps slow the revision loop, which hurts most when a pitch is 48 hours out and every round of notes in 3ds Max and V-Ray has to cross half the planet before your morning. Brief nuance and brand detail get lost more easily across distance and language. None of that matters for bulk work. All of it matters when one render has to be perfect by Thursday.
Here is the honest reframe. The real split is not UK versus offshore, it is commodity versus high-stakes. There are excellent artists offshore and mediocre ones in London. What you are actually choosing is whether this particular job is a cost to minimise or an asset to win with.
So decide per project, not by postcode. For your catalogue fill and internal checks, send it wherever is cheapest and good enough. For the tender that decides a multi-million-pound fit-out, buy the render the way you would buy any other part of a winning bid: on whether it wins, not on what it saves. My bias is on the table, but that logic holds whoever you hire. See how we handle the high-stakes end on our office 3D visualization page and in how office CGI wins a pitch.