For?
Gaming? Production work? Video editing?
Response time, colour accuracy etc - Your use case really helps determine what you're looking for.
Any target resolution or screen size?
What GPU do you have?
Typically, IPS will give you the best colour reproduction. TN (typically) the best response time/refresh rate, on a budget. VA being a decent balance of the two.
There's a 31.5" 1440p IPS panel, 75Hz and FreeSync from AOC for £193
https://uk.pcpartpicker.com/product/9B66Mp/aoc-q3279vwfd8-315-2560x1440-60hz-monitor-q3279vwfd8
Or 29" 1080 Ultrawide, 75Hz and FreeSync, IPS from LG for £170
https://uk.pcpartpicker.com/product/FKfmP6/lg-29um59-p-290-2560x1080-75hz-monitor-29um59-p
1080p Ultrawide, 27" Phillips, VA panel, 75Hz and FreeSync - £159
https://uk.pcpartpicker.com/product/fZNv6h/philips-278e9qjab-270-1920x1080-75-hz-monitor-278e9qjab
1080p, 24" IPS, 144Hz from ViewSonic - £179
https://uk.pcpartpicker.com/product/G9LwrH/viewsonic-xg2405-238-1920x1080-144-hz-monitor-xg2405