At 81 millimeters, the H40M2100 has a quite thick depth compared to most of the other latest televisions. The depths of comparable spec televisions that have been on the market for a similar time to this TV range from 34mm to 98mm, and the average depth is 71mm.
There are a number of alternative 81mm thick televisions currently available which you might want to look at including the Hisense 40M2100 (£249) which is cheaper.
TVs with a thicker depth that might be worth considering include the Samsung HG40ND470 (£301.41) (58.42mm).
What does "depth" mean?